PAPERS

2022

Spitler, J.D. and S. Gehlin. 2022. 5-year performance of a Swedish mixed-use ground source heat pump system.  REHVA Journal.  59(4):27-36.  https://www.rehva.eu/rehva-journal/chapter/5-year-performance-of-a-swedish-mixed-use-ground-source-heat-pump-system

Gehlin, S. and J.D. Spitler, 2022. Långtidsmätningar av stora anläggningar för geonergi. Energi & Miljö. December 2022. 93(12):44-46.

Spitler, J.D., T.N. West, X. Liu and I. Borshon. 2022. An open library of g-functions for 34,321 configurations.  IGSHPA Research Track.  Las Vegas. Dec. 6-8  https://doi.org/10.22488/okstate.22.000040

Spitler, J.D., T.N. West and X. Liu. 2022. Ground Heat Exchanger Design Tool with RowWise Placement of Boreholes. IGSHPA Research Track. Las Vegas. Dec. 6-8 https://doi.org/10.22488/okstate.22.000016

Spitler, J.D. and S. Gehlin. 2022. Long-term GSHP system performance measurement in the USA and Europe. IGSHPA Research Track.  Las Vegas. December 6-8 https://doi.org/10.22488/okstate.22.000012

West, T.N. and J.D. Spitler. 2022. Approximate g-functions for selection of borehole field configurations used with ground-source heat pump systems. European Geothermal Congress 2022. Berlin, Germany.  17-21 October 2022 https://shareok.org/handle/11244/336597

Gehlin, S.E.A. and J.D. Spitler. 2022. Final results from IEA HPT Annex 52 - Long-term performance of large GSHP systems. European Geothermal Congress 2022. Berlin, Germany.  17-21 October 2022  https://shareok.org/handle/11244/336598

Spitler, J. D. 2022. Dr. Cheng-Xian (Charlie) Lin 1965–2022. Science and Technology for the Built Environment 28(10): 1271-1271 https://doi.org/10.1080/23744731.2022.2133814

Javed, S. and J.D. Spitler. 2022. Vertical Ground Heat Exchanger Pressure Loss – Experimental Comparisons and Calculation Procedures. Geothermics 105: 102546. https://doi.org/10.1016/j.geothermics.2022.102546

Saleem, S., Bradshaw, C. R., and Bach, C. K. (2022).Development of Design Guidelines for Fin-and-Tube Heat Exchangers with Low-GWP Refrigerants. Accepted 06/29/2022. Manuscript number JIJR-D-21-00940R3.

Saleem, S., Bradshaw, C. R., and Bach, C. K. (2022). Performance assessment of R1234ze(E) as a low GWP substitute to R410A in fin-and-tube heat exchangers. JIJR. 134:253-264  

Mashadian, A., T. Ismail, A. Alexander, and C. K. Bach. (2022). A Review of The Effects and Mitigation of Frosting with Focus on Air-Source Heat Pump Applications. 19th International Refrigeration and Air Conditioning Conference at Purdue, July 10 - 14, 2022. Paper 2123. 

Saleem, S., C. R. Bradshaw, and C. K. Bach. (2022). R1234ze(E) as a Low-GWP Replacement of R410A in Fin-and-Tube Evaporators. 19th International Refrigeration and Air Conditioning Conference at Purdue, July 10 - 14, 2022. Paper 2193.  

Ghadiri, M., C. K. Bach, and C. R. Bradshaw. (2022). R468C as a Low-GWP Replacement of R410A in Fin-and-Tube Evaporators.International Refrigeration and Air Conditioning Conference at Purdue, July 10 - 14, 2022. Paper 2262. 

Lee, J. (A.), C. K. Bach, and C. R. Bradshaw. (2022). Differential Mass Evacuation Sampling Method for Measuring Refrigerant Charge in Round Tube Plate Fin Heat Exchangers (ASHRAE RP-1785). International Refrigeration and Air Conditioning Conference at Purdue, July 10 - 14, 2022. Paper 2273.  

Devlin, S., H. Park, J. Cook, T. Nguyen, A. Board, C. K. Bach, A. Alexander. (2022). Toward Optimal Secondary Furnace Heat Exchanger: Acquisition of Heat Transfer Correlations. International Refrigeration and Air Conditioning Conference at Purdue, July 10 - 14, 2022. Presented by Undergraduate Intern Carson Kelly. Paper 2329. 

Alghamdi, K. I.; C.K. Bach, and J.D. Spitler. 2022. Water-Based Thermal Energy Storage for Heating and Air-Conditioning Applications in Residential Buildings: Review and Preliminary Study.  18th International Refrigeration and Air Conditioning Conference. West Lafayette, Indiana. July 10-14. https://docs.lib.purdue.edu/iracc/2345/

Spitler, J.D. and. and S. Gehlin. 2022. Performance of a mixed-use ground source heat pump system in Stockholm.  14th REHVA World Congress, Clima 2022.  Rotterdam, The Netherlands. May 22-25. https://doi.org/10.34641/clima.2022.126

2021

Lee, A. J., Bach, C, K., and Bradshaw, C. R. (2021). Differential Mass Measurement Scale for Measuring Refrigerant Charge and Oil Retention of Round Tube Plate Fin Heat Exchangers (ASHRAE RP-1785). 18th International Refrigeration and Air Conditioning Conference at Purdue. Paper 2124. 

Saleem, S., Sarfraz, O., Bradshaw, C. R., Bach, C. K. (2021). Development of novel experimental infrastructure for collection of high-fidelity experimental data for refrigerant to air heat exchangers. 18th International Refrigeration and Air Conditioning Conference.  Paper 2113. https://docs.lib.purdue.edu/iracc/2113 

Alghamdi, K. I., Bach, C. K. (2021). Dynamic Modeling of Packaged Air Conditioner with Micro-Channel Heat Exchanger Condenser. 18th International Refrigeration and Air Conditioning Conference at Purdue. Accepted Paper #2267.  

Alghamdi, K. I., Bach, C. K. (2021). Effect of Inlet Duct Design on Fan Performance of Indoor Air Handling Units with Pull-Through Fan Configuration (ASHRAE RP-1743). 6th International High Performance Buildings Conference at Purdue. Accepted Paper # 310019.  

Alghamdi, K. I., Bach, C. K. (2021). Effect of Inlet Duct Design on Fan Performance of Indoor Air Handling Units (ASHRAE RP-1743). ASHRAE Virtual Winter Conference, 2021, Conference Paper Session 26, VC-21-C071. Available through conference website and ASHRAE Transactions, Volume 127 (1), p599-606. 

Alghamdi, K. I., and C. K. Bach (2021). Effect of Inlet Duct Design on Fan Performance and Static Pressure Measurements of Indoor Air Handling Units (ASHRAE RP-1743). STBE. 27 (9). 

Saleem, S., Bradshaw, C. R., and Bach, C. K. (2021). Validation of a multi-circuit heat exchanger model for evaluating the effect of refrigerant circuitry on cross-fin conduction in evaporator mode. JIJR, 131, 623-633. https://doi.org/10.1016/J.IJREFRIG.2021.08.015 

Park, H., C. K. Bach (2021). Performance Characterization of Air Mixing Devices for Square Ducts. ATE, 199. 

Saleem, S., Bradshaw, C. R., and Bach, C. K. (2021). Simulation model validation considering heat exchanger geometry and cross-fin conduction in multi-circuit evaporator coils. JIJR. Accepted 08/12/2021. Manuscript ID: JIJR-D-21-00393. 

Kincheloe, M. C., J. P. Franke, C. K. Bach, C. R. Bradshaw (2021). Design of a Psychrometric Coil Testing Facility for Commercial Size Heat Exchanger Coils, JIJR. 121: 143 - 151. 

Cook, J.C. and J.D. Spitler. 2021. Faster computation of g-functions used for modeling of ground heat exchangers with reduced memory consumption. Proceedings of Building Simulation 2021, Bruges, Belgium. September 1-3, 2021. https://doi.org/10.26868/25222708.2021.31086

Spitler, J.D., Berglöf, K., Mazzotti-Pallard, W., Witte, H. (2021). Guideline for Calculation of Uncertainties – Final Document. IEA HPT Annex 52 – Long-term performance monitoring of GSHP systems serving commercial, institutional, and multi-family buildings. https://doi.org/10.23697/m2em-xq83

Gehlin, S., Spitler, J.D. (2021). Case study report for Studenthuset, Stockholm, Sweden. Long-term performance analysis of the GSHP system for a student union building. IEA HPT Annex 52 – Long-term performance monitoring of GSHP systems serving commercial, institutional and multi-family buildings. https://doi.org/10.23697/pmr0-0778

Spitler, J.D., Southard, L., Liu, X. (2021). Case study report for ASHRAE Headquarters Building, USA. Performance of a distributed water-to-air ground source heat pump system. IEA HPT Annex 52 – Long-term performance monitoring of GSHP systems serving commercial, institutional and multi-family buildings.https://doi.org/10.23697/j89c-en10

Liu, X., J. D. Spitler, M. Qu and L. Shi. 2021. Recent Developments in the Design of Vertical Borehole Ground Heat Exchangers for Cost Reduction and Thermal Energy Storage. Journal of Energy Resources Technology 143(10). https://doi.org/10.1115/1.4050418

2020

M. Iqbal Abdi Tanjung, Ridho Irwansyah, Christian K. Bach, and Ardiyansyah Yatim (2020). Effect of floor distance on velocity profile in a vertical ducting systems: CFD modelling. International Conference on Science and Applied Science (ICSAS2020). Surakarta. Indonesia. 

H. Park, C. K. Bach (2020). An Update on the Evaluation of Air Mixer Performance (RP-1733). ASHRAE 2020 Virtual Conference. Paper ID: VC-20-A006. 

Ahmed, M., H. Park, C. K. Bach, O. San. (2020). Numerical Investigation of Air Mixer for HVAC Testing Applications (ASHRAE RP-1733). STBE. 26(9): 1252-1273. 

Lee, J. A., C. K. Bach, and C. R. Bradshaw (2020). Differential Mass Evacuation Sampling Technique for Measuring Refrigerant Charge and Oil Retention of Round Tube Plate Fin Heat Exchangers (ASHRAE RP-1785). STBE. 26(6): 790-804. 

Saleem, S., O. Sarfraz, C.R. Bradshaw, and C.K. Bach (2020). Development of Novel Experimental Infrastructure for Collection of High-Fidelity Experimental Data for Refrigerant to Air Heat Exchangers. JIJR. 114: 189-200. https://doi.org/10.1016/j.ijrefrig.2020.02.024.  

Park, H. and C. K. Bach. (2020). A Literature Review of Air Mixing Devices for Psychrometric Performance Measurement Application (ASHRAE RP-1733). STBE. 26(6): 778-789. 

Liu, X., J. D. Spitler, M. Qu and L. Shi. 2021. Recent Developments in the Design of Vertical Borehole Ground Heat Exchangers for Cost Reduction and Thermal Energy Storage. Journal of Energy Resources Technology 143(10). https://doi.org/10.1115/1.4050418

Mitchell, M. S. and J. D. Spitler. 2020. An Enhanced Vertical Ground Heat Exchanger Model for Whole-Building Energy Simulation. Energies 13(16): 4058. https://doi.org/10.3390/en13164058

Spitler, J.D., J.C. Cook and X. Liu. 2020. A Preliminary Investigation on the Cost Reduction Potential of Optimizing Bore Fields for Commercial Ground Source Heat Pump Systems.  Proceedings. 45th Workshop on Geothermal Reservoir Engineering. Stanford University, Stanford, California, February 10-12, 2020.

Bradshaw, C.R., Ziviani, D., Groll, E.A., 2020. Discussion of Numerical Methods used in Positive Displacement Comprehensive Mechanistic Models: Case Study using the Z-Compressor. In: International Symposium on Transport Phenomena and Dynamics of Rotating Machinery (ISROMAC). Journal of Physics: Conference Series. (accepted manuscript).

Qian, M., D. Yan, J. An, T. Hong and J. D. Spitler. 2020. Evaluation of thermal imbalance of ground source heat pump systems in residential buildings in China. Building Simulation. doi: 10.1007/s12273-020-0606-5

Gehlin, S. and J.D. Spitler. 2020. Half-term Results from IEA HPT Annex 52 - Long-term Performance Monitoring of Large GSHP Systems. 13th IEA Heat Pump Conference. Jeju, Korea. May 11-14. Paper on IEA HPC site.

Spitler, J.D. and. and S. Gehlin. 2020. Three Years’ Performance Monitoring of a Mixed-Use Ground Source Heat Pump System in Stockholm. 13th IEA Heat Pump Conference. Jeju, Korea. May 11-14. Paper on IEA HPC site.

Mitchell, M.S., J.D. Spitler and S. Gehlin. 2020. Use of Cross g-functions to Calculate Interference between Ground Heat Exchangers used in Ground-source Heat Pump Systems. Proceedings World Geothermal Congress 2020. Reykjavik, Iceland. April 26-May 2, 2020. https://hdl.handle.net/11244/330124

2019

Sarfraz, O., C. K. Bach, and C. R. Bradshaw. (2019).  Validation of advanced fin-and-tube heat exchanger models with cross-fin conduction functionality. JIJR. 116, 70 - 81  

Bach, C. K., M. Y. Hossain, A. Yatim (2019). Improving Testing Methods for Unitary Air Conditioning Equipment (ASHRAE RP-1743).  16th International Conference on Quality in Research (QIR). Paper #191. Padang, Indonesia. 

Hossain, M. Y., R. Maulik, H. Park, M. Ahmed, C. K. Bach, and O. San. (2019). Improvement of Unitary Equipment and Heat Exchanger Testing Methods (ASHRAE RP1733/43). ASHRAE Annual Conference, Kansas City. Paper KC-19-C012. 

Sarfraz, O., C. K. Bach, and C. R. Bradshaw. (2019). Discrete Modeling of Fin-Tube Heat Exchangers Accounting for Cross-Fin Conduction. ICR 2019 - 25th IIR International Congress of Refrigeration, Montreal, Canada. Paper 1721. 

Singleton, J., Schmidt, D. Bradshaw, C.R. 2019. Control and commissioning of a hot-gas bypass compressor load stand for testing light-commercial compressors on low-GWP refrigerants. International Journal of Refrigeration. (accepted, in press)

Bell, I.H, Ziviani, D., Lemort, V., Bradshaw, C.R., Mathison, M., Horton, W.T., Braun, J.E, Groll, E.A. 2019. A general quasi-steady modeling approach for positive displacement compressors and expanders: PDSim. International Journal of Refrigeration. 110 (2020)

Sarfraz, O., Bach, C.K., Bradshaw, C.R. 2019. A novel technique for computationally efficient consideration of cross-fin conduction in fin-and-tube heat exchanger models. International Journal of Refrigeration. 107 (2019), pp.73-83.

Sarfraz, O., Bach, C.K., Bradshaw, C.R. 2019. Reduced order modeling for multi-circuit fin-and-tube heat exchangers with multiple identical circuit types. International Journal of Refrigeration. 106 (2019), pp. 236-247.

Sarfraz, O., Bach, C.K., Bradshaw, C.R. 2019. Discrete modeling of fin-and-tube heat exchangers with cross-fin conduction functionality. International Journal of Refrigeration. 104 (2019), pp. 270-281.

Schmidt, D., Singleton, J., Bradshaw, C.R. 2019. Development of a Light-Commercial Compressor Load Stand to Measure Compressor Performance using Low-GWP Refrigerants. International Journal of Refrigeration. 100(April 2019), 443-453.

Singleton, J., Schmidt, D. Bradshaw, C.R., 2019. Control and Commissioning of a Hot Gas Bypass Compressor Load Stand for Testing Light-Commercial Compressors on Low-GWP Refrigerants. In: 11th International Conference on Compressors and their Systems, City University, London, UK. IOP Conference Series: Materials Science and Engineering. 604 (012053).

Lee, A., Bach, C., Bradshaw, C.R., 2019. Study of Heat Exchanger Inlet Air Velocity Distribution for Ducted Tests in a Psychrometric Chamber (ASHRAE RP-1785). In: ASHRAE Conference Proceedings, Kansas City. No. 25004.

Mitchell, M. S. and J. D. Spitler. 2019. Characterization, testing, and optimization of load aggregation methods for ground heat exchanger response-factor models. Science and Technology for the Built Environment 25(8):1036-1051. https://doi.org/10.1080/23744731.2019.1648936

Spitler, J.D. and M. Bernier. 2019. Ground-source heat pump systems: state-of-the-art. Science and Technology for the Built Environment 25 (8):945-6. https://doi.org/10.1080/23744731.2019.1673000

Spitler, J.D. and S.E.A. Gehlin. 2019. Measured performance of a mixed-use commercial-building ground source heat pump system in Sweden. Energies 2019, 12, 2020; doi:10.3390/en12102020. Open access at: https://www.mdpi.com/1996-1073/12/10/2020.

Gehlin, S. and J.D. Spitler. (2019). IEA HPT Annex 52 – Measuring GSHP system long-term performance. European Geothermal Congress 2019 in Den Haag, the Netherlands. June 11-14 2019.

2018

Bradshaw, C.R., Orosz, J., Kemp, G., Groll, E.A., 2018. An indicated loss analysis of a light-commercial spool compressor using high-speed pressure measurements. In: Proceedings of the International Compressor Engineering Conference, Purdue University, West Lafayette, IN, USA. No 1247.

Sarfraz, O., Bach, C., Bradshaw, C.R. 2018. A Literature Review of Numerical Modeling Techniques for Vapor Compression Systems with Focus on Heat Exchanger Modeling. In: Proceedings of the International Refrigeration and Air Conditioning Conference, Purdue University, West Lafayette, IN, USA. No 2439.

Schmidt, D., Singleton, J., Bradshaw, C.R., 2018. Development of a light-commercial compressor load stand to measure compressor performance using low-GWP refrigerants. In: Proceedings of the International Compressor Engineering Conference, Purdue University, West Lafayette, IN, USA. No 1455.

Kincheloe, M., Franke, J., Bach, C., Bradshaw, C.R., 2018. Design and construction of a psychrometric coil testing facility for commercial size heat exchanger coils. In: Proceedings of the International Refrigeration and Air Conditioning Conference, Purdue University, West Lafayette, IN, USA. No 2531.

Lee, J., Bach, C., Bradshaw, C.R., 2018. CFD Case Study: Heat Exchanger Inlet Air Velocity Distribution for Ducted Tests in a Psychrometric Chamber (ASHRAE RP-1785). In: Proceedings of the International Refrigeration and Air Conditioning Conference, Purdue University, West Lafayette, IN, USA. No 2670.

Spitler, J.D. 2018. Why Was My Manuscript Declined? Science and Technology for the Built Environment. 24(7):685-686. https://doi.org/10.1080/23744731.2018.1499182. 

Gehlin, S., J.D. Spitler, A. Larsson and Å. Annsberg. 2018. Measured performance of the University of Stockholm Studenthuset ground source heat pump system. EnerStock 2018 -14th International Conference on Energy Storage. 25-28 April 2018, Adana, Turkey.

Mitchell, M.S., G.M. Hansen and J.D. Spitler. 2018. Experimental Development of Natural Convection Heat Transfer Correlations for Spiral-Helical Surface Water Heat Exchangers (1385-RP). Science and Technology for the Built Environment. DOI: https://doi.org/10.1080/23744731.2017.1365764

Beier, R. A., M. S. Mitchell, J. D. Spitler and S. Javed. 2018. Validation of borehole heat exchanger models against multi-flow rate thermal response tests. Geothermics 71: 55-68. DOI: https://doi.org/10.1016/j.geothermics.2017.08.006

Cheung, H., Sarfraz, O. and Bach, C. K. 2018. A Method to Calculate Uncertainty of Empirical Compressor Maps with the Consideration of Extrapolation Effect and Choice of Training Data. Science and Technology for the Built Environment. 24: 743-758https://doi.org/10.1080/23744731.2017.1372805

Sarfraz, O., Bach, C. K. 2018. Equipment Power Consumption and Load Factor Profiles for Buildings’ Energy Simulation (ASHRAE 1742-RP). Science and Technology for the Built Environment. Vol. 24 (10). pp. 1054-1063. DOI: https://doi.org/10.1080/23744731.2018.1483148

Sarfraz, O., Bach, C. K., and Wilkins, C. K. 2018. Plug Load Design Factors: ASHRAE RP-1742. ASHRAE Journal. January. pp. 14-19.

Sarfraz, O. and Bach, C. K. 2018. Update to Office Equipment Diversity and Load Factors (ASHRAE 1742-RP). Science and Technology for the Built Environment. Vol. 24 (3). pp. 259-269. DOI: http://dx.doi.org/10.1080/23744731.2017.1365765

2017

Gehlin, S. and J.D. Spitler. 2017. Workshop summary on "Ground source heat pump systems". Heat Pumping Technologies Magazine. 35(2):20.

Liu, X. P. Hughes, J. Spitler, A. Anderson. 2017. An Updated Assessment of the Technical Potential of Geothermal Heat Pump Applications in the United States. IGSHPA Technical/ Research Conference Proceedings.  Denver. March 14-16, 2017. pp. 8-16. DOI: 10.22488/okstate.17.000538

Xing, L., J.D. Spitler, L. Li, P. Hu. A Model for Ground Temperature Estimations and Its Impact on Horizontal Ground Heat Exchanger Design. IGSHPA Technical/ Research Conference Proceedings.  Denver. March 14-16, 2017.  pp. 92-101. DOI: 10.22488/okstate.17.000511

Sarfraz, O. and Bach, C. K. 2017. Experimental Methodology and Results for Heat Gains from Various Office Equipment (ASHRAE RP-1742). Accepted for publication in Science and Technology for the Built Environment, Acceptance date: July 11, 2017. DOI: http://dx.doi.org/10.1080/23744731.2017.1365766

Bradshaw, C.R., Kemp, G., Orosz, J., Groll, E.A.,  2017.  Improved design method of a rotating spool compressor using a comprehensive model and comparison to experimental results. In: 10th International Conference on Compressors and their Systems, City University, London, UK. URL: http://iopscience.iop.org/article/10.1088/1757-899X/232/1/012056/meta

Javed, S. and J.D. Spitler. 2017. Accuracy of Borehole Thermal Resistance Calculation Methods for Grouted Single U-tube Ground Heat Exchangers. Applied Energy.187:790-806. https://doi.org/10.1016/j.apenergy.2016.11.079

Spitler, J.D. 2017. Spillvatten värmer och kyler museum. Energi & Miljö. Juni-Juli 2017. 88(6-7):44.

Spitler, J.D. 2017. Värmeväxlaren stöter bort isen. Energi & Miljö. Juni-Juli 2017. 88(6-7):45.

Spitler, J.D. 2017. Londons tunnelbana värmer bostäder. Energi & Miljö. Juni-Juli 2017. 88(6-7):45.

Spitler, J.D., L.E. Southard, X. Liu. 2017. Ground-source and air-source heat pump system performance at the ASHRAE headquarters building. 12th IEA Heat Pump Conference. Rotterdam. May 15-18. ISBN 978-90-9030412-0.

Xing, L. and J. D. Spitler. 2017. Prediction of undisturbed ground temperature using analytical and numerical modeling. Part I: Model development and experimental validation. Science and Technology for the Built Environment 23(5): 787-808. https://doi.org/10.1080/23744731.2016.1258371

Xing, L. and J. D. Spitler. 2017. Prediction of undisturbed ground temperature using analytical and numerical modeling. Part II: Methodology for developing a world-wide dataset. Science and Technology for the Built Environment 23(5): 809-825. https://doi.org/10.1080/23744731.2016.1262705

Xing, L., J. D. Spitler and A. Bandyopadhyay. 2017. Prediction of undisturbed ground temperature using analytical and numerical modeling. Part III: Experimental validation of a world-wide dataset. Science and Technology for the Built Environment 23(5): 826-842. https://doi.org/10.1080/23744731.2016.1253978

The world-wide dataset for the above three papers is available in PDF form.

Spitler, J.D. and S.E.A. Gehlin. 2017. Långtidsjämförelse mellan två olika klimatsystem i samma byggnad. Energi & Miljö. Mars-April.  88(3-4):42-44.

2016

Bradshaw, C.R., Orosz, J., Kemp, G., Groll, E.A., 2016. Design Methodology Improvements of a Rotating Spool Compressor using a Comprehensive Model. In: Proceedings of the International Compressor Engineering Conference, Purdue University, West Lafayette, IN, USA. No 1376.

Orosz, J.,Bradshaw, C.R., Kemp, G., Groll, E.A., 2016. Updated Performance and Operating Characteristics of a Novel Rotating Spool Compressor. In: Proceedings of the International Compressor Engineering Conference, Purdue University, West Lafayette, IN, USA. No. 1377.

Wood, N., Bradshaw, C.R., Orosz, J., Kemp, G., Groll, E.A., 2016. Dynamic Modeling of a Poppet Valve for use in a Rotating Spool Compressor. In: Proceedings of the International Compressor Engineering Conference, Purdue University, West Lafayette, IN, USA. No. 1378.

Bradshaw, C.R. 2016. Design Improvements of the Spool Compressor using Comprehensive Modeling Techniques. In: ASHRAE Transactions, Orlando, Fl, USA. Seminar 65.

Mathison, M., Bradshaw, C.R. 2016. Design Improvements of the Spool Compressor for Various Working Fluids using Comprehensive Modeling Techniques. In: ASHRAE Transactions, Orlando, Fl, USA. Seminar 65.

Spitler, J.D. 2016. Latest Developments and Trends in Ground-Source Heat Pump Technology. ("Extended abstract" to accompany keynote address.)  European Geothermal Congress, Strasbourg, France. September 19-24.

Bach, C. K. & Cheung, H. 2016. Mapping of Vapor Injected Compressor with Consideration of Extrapolation Uncertainty. ASHRAE Winter Conference. Orlando. OR-16-C042.

Bach, C. K., E. A. Groll, J. E. Braun, and W. T. Horton. 2016. A Non-Dimensional Mapping of a Dual-Port Vapor Injected Scroll Compressor. ASHRAE Winter Conference. Orlando. OR-16-C041.

Sarfraz, O. & Bach, C. K. 2016. A Literature review on heat exchanger fouling in Heating, Ventilation and Air-conditioning (HVAC) applications. Purdue Conferences 2016. West Lafayette. Paper 2234.

Sarfraz, O. & Bach, C. K. 2016. Development of operating envelope limits for equipment tested in a wind tunnel. Purdue Conferences 2016. West Lafayette. Paper 2235.

Beier, R. A. and J. D. Spitler. 2016. Weighted average of inlet and outlet temperatures in borehole heat exchangers. Applied Energy 174:118-129. https://doi.org/10.1016/j.apenergy.2016.04.077

Spitler, J.D. and L.E. Southard. 2016. Improved Treatment of Weather Conditions in the Radiant Time Series Method.  ASHRAE Transactions. 122(1):159-166.

Spitler, J.D., S. Javed and R. Kalskin Ramstad. 2016. Natural convection in groundwater-filled boreholes used as ground heat exchangers.Applied Energy. 164:352-365.

Spitler, J.D., R. Grundmann and S. Javed. 2016. Calculation Tool for Effective Borehole Thermal Resistance. 12th REHVA World Congress – Clima 2016.  Aalborg, Denmark. May 22-25.

Gehlin, S.E.A., J.D. Spitler and G. Hellström. 2016. Deep Boreholes for Ground Source Heat Pump Systems – Scandinavian Experience and Future Prospects. ASHRAE Winter Conference, Orlando. January 23-27.

2015

Bell, I.H., Ziviani, D., Bradshaw, C.R., Mathison, M., Groll, E.A., Braun, J.E., Horton, W.T. 2015. A General Modeling Approach to Positive Displacement Compressors and Expanders: PDSim. International Journal of Refrigeration. (in process).

Bradshaw, C.R., Groll, E.A., 2015. Development of a Loss Pareto for a Rotating Spool Compressor Using High-Speed Pressure Measurements and Friction Analysis. Applied Thermal Engineering. 99, 392-401.

Bach, C. K., E. A. Groll, J. E. Braun, and W. T. Horton. 2015. Dual port vapor injected compression: In-system testing versus test stand testing, and mapping of results. Renewable Energy.

Gall, J. and Fisher, D. E.. 2015. Minimization of unitary air-conditioning system power with real-time extremum seeking control. Science and Technology for the Built Environment 22(1):75-86.

Gall, J., Fisher, D. E., Corti, G., Marelli, S. and Cremaschi, L.. 2015. Modeling of R-410A variable capacity compressor with Modelica and experimental validation. International Journal of Refrigeration 58:90-109.

Spitler, J.D. and S.E.A. Gehlin. 2015. Thermal Response Testing for Ground Source Heat Pump Systems – Some History. IEA Heat Pump Centre Newsletter 33(4):29-32.

Spitler, J.D. 2015. Observations on ground-source heat pump systems in North America and Scandinavia. IEA Heat Pump Centre Newsletter 33(3):4-5.

Cheung, H. and C. K. Bach. 2015. Prediction of uncertainty of 10-coefficient compressor maps for extreme operating conditions. 9th international Conference on Compressors and their Systems. IOP Conf. Series: Materials Science and Engineering 90 (2015) 012078. DOI: 10.1088/1757-899X/90/1/012078

Spitler, J.D. and S.E.A. Gehlin. 2015. Thermal response testing for ground source heat pump systems - An historical review. Renewable and Sustainable Energy Reviews. 50:1125-1137. https://doi.org/10.1016/j.rser.2015.05.061

Xiong, Z., D.E. Fisher, J.D. Spitler. 2015. Development and Validation of a SlinkyTM Ground Heat Exchanger Model.  Applied Energy. 141:57-69.

Cullin, J.R., J.D. Spitler, C. Montagud, F.  Ruiz-Calvo, S.J. Rees, S.S. Naicker, P. Konečný, and L.E. Southard. 2015. Validation of Vertical Ground Heat Exchanger Design Methodologies. Science and Technology for the Built Environment. 21(2):137-149.

Gehlin, S.E.A. and J.D. Spitler. 2015. Effects of ground heat exchanger design flow velocities on system performance of ground source heat pump systems in cold climates. ASHRAE Winter Conference, Chicago. January 24-28.

2014

Bradshaw, C.R., Orosz, J., Kemp, G., Groll, E.A., 2014. Influence of Volumetric Displacement and Aspect Ratio on the Performance Metrics of the Rotating Spool Compressor. In: Proceedings of the International Compressor Engineering Conference, Purdue University, West Lafayette, IN, USA. No. 1177.

Bradshaw, C.R., Orosz, J., Kemp, G., Groll, E.A., 2014. Loss Analysis of Rotating Spool Compressor Based on High-Speed Pressure Measurements. In: Proceedings of the International Compressor Engineering Conference, Purdue University, West Lafayette, IN, USA. No. 1178.

Orosz, J., Kemp, G., Bradshaw, C.R., Groll, E.A., 2014. An Update on the Performance and Operating Characteristics of a Novel Rotating Spool Compressor. In: Proceedings of the International Compressor Engineering Conference, Purdue University, West Lafayette, IN, USA. No. 1378.

Krishna, A., Bradshaw, C.R., Groll, E.A., 2014. Analysis of a Rotating Spool Expander for Organic Rankine Cycles in Heat Recovery Applications. In: Proceedings of the International Compressor Engineering Conference, Purdue University, West Lafayette, IN, USA. No. 1446.

Olgun, C.G., J.S. McCartney, F.A. Loveridge, G.A. Bowers, C.J. Coccia, A. Bouazza, K. Soga, J.D. Spitler, D. Nicholson, M. Sutman. 2014. Building codes, green certification and implementation issues, market challenges.  DFI Journal: The Journal of the Deep Foundations Institute. 8(2):84-92.

Katzenbach, R.,  C. G. Olgun, F. A. Loveridge, M. Sutman, G. A. Bowers, J. S. McCartney, L. Laloui, T. Mimouni, F. Dupray, J. D. Spitler, F. Clauss, L. L. Meyer and G. Akrouch. 2014. New technologies and applications: materials and equipment in near surface geothermal systems. DFI Journal: The Journal of the Deep Foundations Institute. 8(2):93-107.

Southard, L.E., X. Liu, J.D. Spitler. 2014.  Performance of HVAC Systems at ASHRAE HQ – Part 2. ASHRAE Journal.  December 2014, 56(12):12-23.

Xu, H. and J. D. Spitler. 2014. The relative importance of moisture transfer, soil freezing and snow cover on ground temperature predictions. Renewable Energy 72: 1-11.

Southard, L.E., X. Liu, J.D. Spitler. 2014.  Performance of HVAC Systems at ASHRAE HQ – Part 1. ASHRAE Journal.  September 2014, 56(9):14-24.

Bach, C.K., E. A. Groll, J. E. Braun, and W. T. Horton (2014). Development of a virtual EXV flow sensor for applications with two-phase flow inlet conditions. International Journal of Refrigeration, Volume 45, September 2014, Pages 243–250

Bach, C.K., E. A. Groll, J. E. Braun, and W. T. Horton (2014). Mitigation of air flow maldistribution in evaporators. Applied Thermal Engineering. Applied Thermal Engineering, Volume 73, Issue 1, 5 December 2014, Pages 877-885.

Bach, C.K., E. A. Groll, J. E. Braun, and W. T. Horton (2014). Application of two hybrid control methods of expansion valves and vapor injected compression to heat pumps. 11th International Energy Agency Heat Pump Conference, Montreal.

Bach, C.K., E. A. Groll, J. E. Braun, and W. T. Horton (2014). Experimental Investigation of Vapor Injected Compression for Cold Climate Heat Pumps. Purdue Conferences 2014, West Lafayette.

Bach, C.K., E. A. Groll, J. E. Braun, and W. T. Horton (2014). Effects of vapor injected compression, hybrid evaporator flow control, and other parameters on seasonal energy efficiency. Purdue Conferences 2014, West Lafayette.

Yang, B., T. N. Blatchley,  Bach, C.K., J. E. Braun, W. T. Horton, and E. A. Groll (2014). Application of oil flooded compression with regeneration to a packaged heat pump system. Purdue Conferences 2014, West Lafayette.

Bach, C. K., E. A. Groll, J. E. Braun, and W. T. Horton (2014). Interleaved circuitry and hybrid control as means to reduce the effects of flow maldistribution. Purdue Conferences 2014, West Lafayette.

Wu, X., L. Cremaschi, 2014, Effect of Fouling on the Thermal Performance of Condensers and on the Water Consumption in Cooling Towers Systems, Journal of Heat Transfer Engineering, Vol 36, Issue 7-8 (in press Mar 2014).

Spitler, J.D., M.Y. Wong, and S.E.A. Gehlin. 2014. Effect of Residential Ground Source Heat Pump System Design on CO2 Emissions in Sweden. ASHRAE Annual Conference, Seattle, Washington. June 28-July 2.

Spitler, J.D., L. Xing and V. Malayappan. 2014. A Simple Tool for Simulation of Ground Source Heat Pump Systems.  IEA Heat Pump Conference, Montreal. May 12-16.

Gehlin, S. and J.D. Spitler. 2014. A Thermo-Economic Analysis of a Residential Ground-Source Heat Pump System: One Deeper vs. Two Shallower Boreholes.  IEA Heat Pump Conference, Montreal. May 12-16.

Cai, S., L. Cremaschi, A.J. Ghajar, 2014, Pipe Insulation Thermal Conductivity under Dry and Wet Condensing Conditions with Moisture Ingress: A Critical Review, HVAC& Research. 20(4). pp. 458-479.

Cullin, J.R., J.D. Spitler, S. Gehlin. 2014. Suitability of foundation heat exchangers for ground source heat pump systems in European climates. The REHVA European HVAC Journal. 51(1). pp. 36-40.

Gehlin, S., J.D. Spitler, 2014. Om spetsel, värmepump och borrhålsdjup. Energi & Miljö. Nr. 5, May 2014, pp. 42-44.

Gehlin, S. and J.D. Spitler. 2014. Om borrhålsdjup, värmepumpstorlek och spetsel.  Svensk Geonergi. 2014(1):24-25.

Spitler, J.D., M.Y. Wong, and S.E.A. Gehlin. 2014. Effect of Residential Ground Source Heat Pump System Design on CO2 Emissions in Sweden. IEA Heat Pump Centre Newsletter 32(2):25-28.

Gehlin, S.E.A. and J.D. Spitler. 2014. Design of Residential Ground Source Heat Pump Systems for Heating Dominated Climates - Trade-Offs Between Ground Heat Exchanger Design and Supplementary Electric Resistance Heating. ASHRAE Winter Conference. New York, New York. January 18-22.

2013

Bradshaw, C.R., Kemp, G., Presented September 2013. The Road of Reality: Invention to Commercialization of the TORAD Spool Compressor. The Institute of Refrigeration, Birmingham UK.

Bradshaw, C.R., Groll, E.A., 2013. A Comprehensive Model of a Novel Rotating Spool Compressor. International Journal of Refrigeration. 36(7), 2007-2013.

Bradshaw, C.R., Groll, E.A., Garimella, S.V., 2013. Sensitivity Study of a Comprehensive Model for a Miniature-Scale Linear Compressor for Electronics Cooling. International Journal of Refrigeration. 36(7), 1998-2006.

Bradshaw, C.R., Groll, E.A., Garimella, S.V., 2013. Linear Compressors for Electronics Cooling: Energy Recovery and its Benefits. International Journal of Refrigeration. 36(7), 2007-2013.

Yang, B., Bradshaw, C.R., Groll, E.A., 2013. Modeling of a Semi-hermetic CO2 Reciprocating Compressor. International Journal of Refrigeration. 36(7), 1925-1937.

Bradshaw, C.R., Groll, E.A., Garimella, S.V., 2013. Analysis and Performance of a Novel Rotating Spool Compressor. In: Proceedings of the Deutscher Klte- und Klimatechnischer Verein (DKV), Hanover, Germany. No. AA 13.11.22.

Bradshaw, C.R., 2013. Spool Compressor Tip Seal Design Considerations. In: 8th International Conference on Compressors and their Systems, City University, London, UK. 341-351.

Bach, C.K., E. A. Groll, J. E. Braun, and W. T. Horton (2013). Application of a hybrid control of expansion valves to a domestic heat pump and a walk-in cooler refrigeration system. HVAC&R Research, vol. 19, p. 800-813.

Cullin, J.R., J.D. Spitler, and E. Lee. 2013. Preliminary investigation of the effect of horizontal piping on the performance of a vertical ground heat exchanger system. ASHRAE Transactions. 119(2):301-311

Cullin, J.R., J.D. Spitler, S. Gehlin. 2013. Grundläggningskollektorer för markvärmepumpar. Energi & Miljö. Nr. 12, December 2013, pp. 46-48.

Lee, E.S., D.E. Fisher and J.D. Spitler. 2013. Efficient Horizontal Ground Heat Exchanger Simulation with Zone Heat Balance Integration. HVAC&R Research. 19(3): 307-323. https://www.tandfonline.com/doi/full/10.1080/10789669.2013.774887

Malayappan, V. and J.D. Spitler. 2013. Limitations of Using Uniform Heat Flux Assumptions in Sizing Vertical Borehole Heat Exchanger Fields. Proceedings of Clima 2013. June 16-19. Prague.

Mitchell, M., J.D. Spitler 2013. Open-loop Direct Surface Water Cooling and Surface Water Heat Pump Systems – A Review. HVAC&R Research. 19(2):125-140. https://www.tandfonline.com/doi/full/10.1080/10789669.2012.747374

Moallem, E., T. Hong, L. Cremaschi, and D.E. Fisher,  2013, Developing Empirical Correlations for Frost Thickness and Air Face Velocity Degradation for Microchannel Heat Exchangers Used in Heat Pump Applications under Frosting Conditions, in HVAC& Research Journal, 19 (7), pp. 779-787.

Moallem, E., T. Hong, L. Cremaschi, D.E. Fisher, 2013, Effect of surface coating and water retention on frost formation in microchannel evaporators (ASHRAE RP-1589), HVAC & R Research Journal, 19:4, 347-362, ISSN: 1078-9669 print / 1938-5587 online DOI: 10.1080/10789669.2013.781056.

 Moallem, E.., L. Cremaschi, D.E. Fisher, 2013, Experimental Investigation of Adverse Effect of Frost Formation on Microchannel Evaporators, Part 1: Effect of Fin Geometry and Environmental Effects, International Journal of Refrigeration, 36 (6), pp. 1762 - 1775.

Sanner, B., G. Hellström, J.D. Spitler, S. Gehlin. 2013. More than 15 years of mobile Thermal Response Test -- a summary of experiences and prospects. Proceedings of the European Geothermal Congress. June 3-7. Pisa, Italy.

Spitler, J.D. and P. Im. 2013. Foundation Heat Exchangers for Residential Ground Source Heat Pump Systems. IEA Heat Pump Centre Newsletter 31(2):34-37.

2012

Bradshaw, C.R., Groll, E.A., Garimella, S.V., 2012. A Sensitivity Analysis of a Miniature-Scale Linear Compressor for Electronics Cooling using a Comprehensive Model. In: Proceedings of the International Compressor Engineering Conference, Purdue University, West Lafayette, IN, USA. No. 1133.

Bradshaw, C.R., Groll, E.A., Garimella, S.V., 2012. Linear Compressors for Electronics Cooling: Energy Recovery and the Useful Benefits. In: Proceedings of the International Compressor Engineering Conference, Purdue University, West Lafayette, IN, USA. No. 1134.

Bradshaw, C.R., Kemp, G., Orosz, J., Groll, E.A., 2012. A Comprehensive Model of a Novel Rotating Spool Compressor. In: Proceedings of the International Compressor Engineering Conference, Purdue University, West Lafayette, IN, USA. No. 1142.

Orosz, J., Kemp, G., Bradshaw, C.R., Groll, E.A., 2012. Performance and Operating Characteristics of a Novel Rotating Spool Compressor. In: Proceedings of the International Compressor Engineering Conference, Purdue University, West Lafayette, IN, USA. No. 1257.

Kemp, G., Orosz, J., Bradshaw, C.R., Groll, E.A., 2012. Spool Compressor Tip Seal Design Considerations and Testing. In: Proceedings of the International Compressor Engineering Conference, Purdue University, West Lafayette, IN, USA. No. 1258.

Kemp, G., Orosz, J., Bradshaw, C.R., Groll, E.A., 2012. Spool Seal Design and Testing for a Spool Compressor. In: Proceedings of the International Compressor Engineering Conference, Purdue University, West Lafayette, IN, USA. No. 1259.

Leffler, R., Bradshaw, C.R., Groll, E.A., Garimella, S.V., 2012. Alternative Heat Rejection Methods for Power Plants. Applied Energy. 92(2012), 17-25.

Bach, C. K., E. A. Groll, and J. E. Braun (2012). Application of a hybrid control of expansion valves to a 5-ton domestic heat pump. Purdue Conferences 2012, West Lafayette.

Bach, C. K., E. A. Groll, and J. E. Braun (2012). Application of a hybrid control of expansion valves to a 3-ton domestic heat pump. Purdue Conferences 2012, West Lafayette.

Bach, C. K., E. A. Groll, and J. E. Braun (2012). A virtual EXV mass flow sensor for applications with two-phase flow inlet conditions. Purdue Conferences 2012, West Lafayette.

Cremaschi, L., Barve, A., & Wu, X. 2012. Effect of Condensation Temperature and Water Quality on Fouling of Brazed-Plate Heat Exchangers. ASHRAE Transactions. 118(1):1086-1100.

Cremaschi, L., Shanshan, C., Worthington, K., & Ghajar, A.J. 2012. Measurements of Pipe Insulation Thermal Conductivity at Below Ambient Temperatures Part I: Experimental Methodology and Dry Tests. ASHRAE Transactions. 118(1):1061-1076.

Cremaschi, L., Moallem, E., Fisher, D. E., Hong, T., Padhmanabhan, S. 2012. Frosting Performance of Fin-and-Tube Evaporators with Small Copper Tubes Diameter. To be included in Proc. of 14th International Refrigeration and Air Conditioning Conference at Purdue, West Lafayette, IN, USA

Cullin, J.R., L. Xing, E. Lee, J.D. Spitler and D.E. Fisher. 2012. Feasibility of Foundation Heat Exchangers for Residential Ground Source Heat Pump Systems In the United States. ASHRAE Transactions. 118(1):1039-1048

Fan, D., S. Rees, J. Spitler. 2012. A dynamic thermal network approach to the modeling of Foundation Heat Exchangers. Journal of Building Performance Simulation. 6(2): 81-97.

Hong, T., Moaellem, E., Cremaschi, L., Fisher, D., E. 2012. Measurements of Frost Growth on Louvered Folded Fins of Microchannel Heat Exchangers Part 1: Experimental Methodology. ASHRAE Transactions. 118(1):1101-1115.

Moallem, E., Cremaschi, L., Fisher, D., E., and Padhmanahbhan, S. 2012. Experimental measurements of the surface coating and water retention effects on frosting performance of microchannel heat exchangers for heat pump systems. Experimental Thermal and Fluid Science Journal. 39:176-188

Moallem, E., Padhmanabhan, S. K., Cremaschi, L., Fisher, D.E. 2011. Experimental investigation of the surface temperature and water retention effects on the frosting performance of a compact microchannel heat exchanger for heat pump systems. International Journal of Refrigeration. 35(1):171-186.

Padhmanabhan, S. K., Cremaschi, L., Fisher, D.E. 2011. Comparison of frost and defrost performance between microchannel coil and fin-and-tube coil for heat pump systems. International Journal of Air-Conditioning and Refrigeration. 19(4):273-284.

Ramesh, A. and J.D. Spitler. 2012. A quasi-two-dimensional standing column well model for ground source heat pump systems. Proceedings of Innostock 2012, The 12th International Conference on Energy Storage. Lleida, Spain. May 2012

Webster, T., Hoyt, T., Lee, E., Daly, A., Feng, D., Bauman, F., Schiavon, S., Lee, K., H., Pasut, W., and Fisher, D., 2012, Influence of Design and Operating Conditions on Underfloor Air Distribution (UFAD) System Performance. Proceedings of Simbuild 2012, August 1-3, Madison, WI

Xing, L., J.R. Cullin and J.D. Spitler. 2012. Modeling of Foundation Heat Exchangers -- Comparison of Numerical and Analytical Approaches. Building Simulation: 5(3):267-279

2011

Bradshaw, C.R., Groll, E.A., Garimella, S.V., 2011. A Comprehensive Model of a Miniature-Scale Linear Compressor for Electronics Cooling. International Journal of Refrigeration. 34(1), 63-73.

Bradshaw, C.R., Groll, E.A., Garimella, S.V., 2011. A Miniature-Scale Linear Compressor for Electronics Cooling. In: Proceedings of the Deutscher Klte- und Klimatechnischer Verein (DKV), Aachen, Germany. No. AA 11.2.03.

Groll, E. A., J. E. Braun and C. K. Bach (2011). Optimizing refrigerant distribution in evaporators - final report. California Energy Commission, CEC-500-2013-089.

Beier, R., M.D. Smith, and J.D. Spitler. 2011. Reference data sets for vertical borehole ground heat exchanger models and thermal response test analysis. Geothermics 40(1): 79-85.

Cremaschi, L., J.D. Spitler, E. Lim, and A. Ramesh, 2011, Waterside fouling performance in brazed-plate type condensers for cooling tower applications, HVAC&R Research, 17(2):198-217. https://doi.org/10.1080/10789669.2011.555492

Cullin, J.R. and J.D. Spitler.  2011. A computationally efficient hybrid time step methodology for simulation of ground heat exchangers. Geothermics 40(2): 144-156

Fan, D., S. J. Rees, and J.D. Spitler. 2011. Application of Dynamic Thermal Networks to the Modelling of Foundation Heat Exchangers. Building Simulation 2011. Sydney, Australia, IBPSA. Available on IBPSA.org

Javed, S., J.D. Spitler and P. Fahlén. 2011. An Experimental Investigation of the Accuracy of Thermal Response Tests Used to Measure Ground Thermal Properties.  ASHRAE Transactions. 117(1):13-21.

Man, Y., H. Yang, J.D. Spitler and Z. Fang. 2011. Feasibility Study on Novel Hybrid Ground Coupled Heat Pump System With Nocturnal Cooling Radiator for Cooling Load Dominated Buildings. Applied Energy 88(11): 4160-4171. https://doi.org/10.1016/j.apenergy.2011.04.035

Moallem, E., S. Padhmanabhan, L. Cremaschi, and D.E. Fisher. 2011. Effect of Surface Coating on Frosting Performance of Microchannel Heat Exchangers for Heat Pump Systems, International Conference on Air Conditioning & Refrigeration (ICACR), Korea 2011, July 6-8

Padhmanabhan, S., Moallem, E.., Fisher, D., E., Cremaschi, L., 2011, Modeling non-uniform frost growth on a fin-and-tube heat exchanger, International Journal of Refrigeration, 34 (8), p. 2018-2030, doi:10.1016/j.ijrefrig.2011.06.005

Spitler, J.D. and M. Bernier.  2011.  Ground-source Heat Pump Systems: The First Century and Beyond. (Editorial). HVAC&R Research. 17(6):891-894. https://www.tandfonline.com/doi/full/10.1080/10789669.2011.628221

Spitler, J. 2011. Frågetecken för nya borrhåkstekniker. In Swedish. Trans. S. Gehlin. Energi & Miljö. Nr. 1, January 2011, p. 10.

Xing, L. J.R. Cullin, J.D. Spitler, D.E. Fisher, and P. Im. 2011. Foundation Heat Exchangers for Residential Ground Source Heat Pump Systems - Numerical Modeling and Experimental Validation.  HVAC&R Research. 17(6):1059-1074 https://www.tandfonline.com/doi/full/10.1080/10789669.2011.605199

Xu, H. and J.D. Spitler. 2011.  Importance of moisture transport, snow cover and soil freezing to ground temperature predictions.Proceedings of the Nordic Symposium on Building Physics. May 2011.

2010

Bradshaw, C.R., Groll, E.A., Garimella, S.V., 2010. A Comprehensive Model of a Miniature-Scale Linear Compressor for Electronics Cooling. In: Proceedings of the International Compressor Engineering Conference, Purdue University, West Lafayette, IN, USA. No. 1259.

Cullin, J.R., and J.D. Spitler. 2010. Comparison of simulation-based design procedures for hybrid ground source heat pump systems. Proceedings of System Simulation in Buildings 2010. Liège, Belgium. December 13-15.

Kośny, J., D. Yarbrough, W. Miller, P. Childs, J. Atchley, S. Shrestha, E. Kossecka, J. B. Smith, T. Fellinger, E. Lee, and M. Bianchi. 2010. Theoretical and Experimental Thermal Performance Analysis of Building Shell Components Containing Blown Fiberglass Insulation Enhanced with Phase Change Material (PCM). Thermal Performance of the Exterior Envelopes of Buildings XII, proceedings of ASHRAE THERM XII, Clearwater, FL, Dec. 2010.

Moallem, E., L. Cremaschi, and D.E Fisher. 2010. Experimental Investigation of Frost Growth on Microchannel Heat Exchangers. 13th International Refrigeration and Air Conditioning Conference at Purdue, July 12-15, West Lafayette, IN, USA.

Moallem E., S. Padhmanabhan, L. Cremaschi, and D.E. Fisher. 2010. Experimental study of onset and growth of frost on outdoor coils of air-source heat pumps. Proc. of ASME-ATI-UIT 2010 Conference on Thermal and Environmental Issues in Energy Systems, Sorrento, Italy. May 16-19.

Nigusse, B.A., and J.D. Spitler. 2010. Refinements and Improvements to the Radiant Time Series Method. ASHRAE Transactions 116(1): 542-549.

Padhmanabhan S., D.E. Fisher, and L. Cremaschi. 2010. A scaling approach for predicting frost growth in a heat exchanger – application to fin-tube coil. Proc. of ASME-ATI-UIT 2010 Conference on Thermal and Environmental Issues in Energy Systems, Sorrento, Italy, May 16-19.

Padhmanabhan, S., D.E. Fisher, and L. Cremaschi. 2010. Incorporating a Frost Growth Model with Segment by Segment Heat Exchanger Simulation – Application to Microchannel Heat Exchanger. 13th International Refrigeration and Air Conditioning Conference at Purdue, West Lafayette, IN, USA, July 12-15.

Spitler, J., L. Xing, J. Cullin, D. Fisher, J. Shonder, and P. Im. 2010. Residential Ground Source Heat Pump Systems Utilizing Foundation Heat Exchangers. Proceedings of Clima 2010, Antalya, Turkey. May 9-12.

Xing, L., J.D. Spitler, and J.R. Cullin. 2010. Modeling of foundation heat exchangers. Proceedings of System Simulation in Buildings 2010. Liège, Belgium. December 13-15.

2009

Gao, Q., M. Li, M. Yu, J. Spitler, and Y. Yan. 2009. Review of development from GSHP to UTES in China and other countries. Renewable and Sustainable Energy Review 13(6-7):1383-1394. https://doi.org/10.1016/j.rser.2008.09.012

Iverson, B., L. Cremaschi, and S. Garimella. 2009. Effects of discrete-electrode configuration on traveling-wave electrohydrodynamic pumping. Microfluidics and Nanofluidics 6(2):221-230.

Li, X.Q., Y. Chen, J.D. Spitler, and D. Fisher. 2009. Applicability of calculation methods for conduction transfer function of building constructions. International Journal of Thermal Sciences 48(7):1441-1451. https://doi.org/10.1016/j.ijthermalsci.2008.11.006

Shonder, J., and J.D. Spitler. 2009. Foundation Heat Exchangers: Reducing the First Cost of Ground Source Heat Pumps. IEA Heat Pump Centre Newsletter 27(1):22-23.

Spitler, J., J. Cullin, M. Bernier, M. Kummert, P. Cui, X. Liu, E. Lee, and D. Fisher. 2009. Preliminary intermodel comparison of ground heat exchanger simulation models. Proceedings of 11th International Conference on Thermal Energy Storage; Effstock 2009, Stockholm, Sweden, June 14-17.

2008

Cremaschi, L., and E. Lee. 2008. Design and heat transfer analysis of a new psychrometric environmental chamber for heat pump and refrigeration systems testing. ASHRAE Transactions 114(2):619-631.

Cui, P., H. Yang, J.D. Spitler, and Z. Fang. 2008. Simulation of hybrid ground-coupled heat pump with domestic hot water heating systems using HVACSIM+. Energy and Buildings 40(9):1731–1736. https://doi.org/10.1016/j.enbuild.2008.03.001

Padhmanabhan, S., D.E. Fisher, L. Cremaschi, and J. Knight. 2008. Comparison of frost and defrost performance between microchannel coil and fin-and-tube coil for heat pump systems. in press for the 12th International Refrigeration and Air Conditioning Conference at Purdue, July 14-17, West Lafayette, IN, USA.

Spitler, J.D., and J. Cullin. 2008. Misconceptions Regarding Design of Ground-source Heat Pump Systems. Proceedings of the World Renewable Energy Congress, July 20-25, Glasgow, Scotland.

2007

Cremaschi, L. 2007. Development trends for heat pump components. Int. Energy Agency (IEA) Heat Pump Newsletter 25(3).

Cremaschi, L., and E.A. Groll, and S.V. Garimella. 2007. Potential Performances and Challenges of Future Refrigeration Cooling Techniques as Electronics Cooling Systems. Proceedings of the 2007 Thermal Challenges in the Next Generation Electronics System II (THERMES II), January 7-10. Santa Fe, New Mexico, USA, pp. 119–128.

Chantrasrisalai, C., and D.E. Fisher. 2007. Lighting heat gain parameters: Experimental method. HVAC&R Research 13(2):283-303.

Chantrasrisalai, C., and D.E. Fisher. 2007. Lighting heat gain parameters: Experimental results. HVAC&R Research 13(2):305-324.

Iu, I., N.A. Weber, P. Bansal, and D.E. Fisher. 2007. Applying the effectiveness-NTU method to elemental heat exchanger models.ASHRAE Transactions 113(1):504-513.

Li, X.Q., Y.M. Chen, J.D. Spitler, and D.E. Fisher. 2007. Relationship Between Accuracy of Heat Conduction Calculation and Material Properties of Building Slabs. Proceedings of Building Simulation 2007, September 3-7, Beijing, China, pp. 140-147.

Liu, X., S.J. Rees, J.D. Spitler. 2007. Modeling snow melting on heated pavement surfaces. Part I: Model Development. Applied Thermal Engineering 27(5-6):1115-1124. https://doi.org/10.1016/j.applthermaleng.2006.06.017

Liu, X., S.J. Rees, and J.D. Spitler. 2007. Modeling snow melting on heated pavement surfaces. Part II: Experimental Verification. Applied Thermal Engineering 27(5-6):1125-1131. https://doi.org/10.1016/j.applthermaleng.2006.07.029

Spitler, J.D. 2007. Research Planning for the HVAC&R Industry. HVAC&R Research 13(5):681-682. https://doi.org/10.1080/10789669.2007.10390979

Underwood, C.P., and J.D. Spitler. 2007. Analysis of vertical ground loop heat exchangers applied to buildings in the UK. Building Service Engineering Research and Technology 28:133-159. https://doi.org/10.1177/0143624407076834

2006

Chantrasrisalai, C., and D.E. Fisher. 2006. An In Situ Experimental Method for the Development and Validation of Slat-Type Blind Models in Cooling Load Calculations. ASME Transactions, Journal of Solar Energy Engineering 128:189-198.

Chen, Y., J. Zhou, and J.D. Spitler. 2006. Verification for transient heat conduction calculation of multilayer building constructions. Energy and Buildings 38:340-348. https://doi.org/10.1016/j.enbuild.2005.07.003

Cremaschi, L., B. Iverson, and S. Garimella. 2006. Enhanced Electrohydrodymanic Pumping at the Microscale. Proceedings of IMECE 2006, Paper No. 2006-13264, Novermber 5-10, Chicago, IL, USA.

Cremaschi, L., L. Daqing, and E.A.Groll. 2006. Theoretical Performance Evaluation of a Carbon Dioxide Based Environmental Control Unit (ECU) with Microchannel Heat Exchangers. c-dig Meeting March 16-17, Purdue University, West Lafayette, IN.

Cremaschi, L., R.A. Schwentker, and R. Radermacher. 2006. Modeling of Oil Retention in the Suction Line and Evaporator of Air Conditioning Systems. HVAC&R Research 12(1):35-56.

Fisher, D.E., S.J. Rees, S.K. Padhmanabhan, and A. Murugappan. 2006. Implementation and Validation of Ground-Source Heat Pump System Models in an Integrated Building and System Simulation Environment. HVAC&R Research 12(3a):693-710.

Gentry, J.E., J.D. Spitler, D.E. Fisher, and X. Xu. 2006. Simulation of Hybrid Ground Source Heat Pump Systems and Experimental Validation. Proceedings of The7th International Conference on System Simulation in Buildings, Liège, Belgium.

O’Neill, Z.D., J.D. Spitler, and S.J. Rees. 2006.  Performance Analysis of Standing Column Well Ground Heat Exchanger Systems. ASHRAE Transactions 112(2):633-643.

O’Neill, Z.D., J.D. Spitler, and S.J. Rees. 2006. Modeling of Standing Column Wells in Ground Source Heat Pump Systems. Proceedings of the 10th International Conference on Thermal Energy Storage – Ecostock 2006, Pomona, NJ.

Sathe, A.A., L. Cremaschi, E.A. Groll, and S.V. Garimella. 2006. A New Model for an Elctrostatically Actuated Miniature-Scale Diaphragm Compressor for Electronics Cooling. Proceedings of the 18th International Compressor for Engineering Conference at Purdue, Paper No. C152, West Lafayette, IN, USA.

Spitler, J.D. 2006. Building Performance Simulation: The Now and the Not Yet. HVAC&R Research 12(3a):549-551. https://doi.org/10.1080/10789669.2006.10391194

Trutassanawin, S., L. Cremaschi, E.A. Groll, and S.V. Garimella. 2006. Performance Analysis of a Miniature-Scale Vapor Compression System for Electronics Cooling: Bread Board Setup. Proceedings of the 11th International Refrigeration and Air Conditioning Conference at Purdue, Paper No. R167, West Lafayette, IN, USA.

Trutassanawin, S., E.A. Groll, S.V. Garimella, and L. Cremaschi. 2006. Experimental Investigation of a Miniature-Scale Refrigeration System. IEEE Transaction on Components and Packaging Technologies 29(3):678-687.

Xu, X., and J.D. Spitler. 2006. Modeling of Vertical Ground Loop Heat Exchangers with Variable Convective Resistance and Thermal Mass of the Fluid. Proceedings of the 10th International Conference on Thermal Energy Storage-Ecostock 2006, Pomona, NJ.

2005

Barnaby, C.S., and J.D. Spitler. 2005. Development of the Residential Load Factor Method for Heating and Cooling Load Calculations. ASHRAE Transactions 111(1):291-307.

Barnaby, C.S., J.D. Spitler, and D. Xiao. 2005. The Residential Heat Balance Method for Heating and Cooling Load Calculations. ASHRAE Transactions 111(1):308-319.

Chen, Y., J. Zhou, and J.D. Spitler. 2005. A Method to Verify Calculation of Transient Heat Conduction Through Multilayer Building Constructions. Proceedings of Building Simulation 2005, Montreal, Canada, pp 159-166.

Cremaschi, L., Y. Hwang, and R. Radermacher. 2005. Experimental Investigation of Oil Retention in Air Conditioning Systems. International Journal of Refrigeration 28:1018-1028.

Deng, Z., S.J. Rees, and J.D. Spitler. 2005. A Model for Annual Simulation of Standing Column Well Ground Heat Exchangers. HVAC&R Research 11(4):637-655. https://doi.org/10.1080/10789669.2005.10391159

Fisher, D.E., and S.J. Rees. 2005. Modeling Ground Source Heat Pump Systems in a Building Simulation Program (EnergyPlus). Proceedings of Building Simulation ‘05, August 2005, Vol. 2, pp. 311-318

Karambakkam, B.K., B. Nigusse, and J.D. Spitler. 2005. A One-dimensional Approximation for Transient Multi-dimensional Conduction Heat Transfer in Building Envelopes. Nordic Building Physics Conference, June 13-15, Reykjavik, 1:340-347.

Orio, C.D., C.N. Johnson, S.J. Rees, A. Chiasson, Z. Deng, J.D. Spitler. 2005. A Survey of Standing Column Well Installations in North America. ASHRAE Transactions 111(2):109-121.

Sanner, B., G. Hellström, J. Spitler, S. Gehlin. 2005. Thermal Response Test – Current Status and World-Wide Application. Proceedings World Geothermal Congress 2005, Antalya, Turkey April 24-29.

Shokouhmand, H., and Moallem E., 2005. Blowing supply air directly into an ice storage for cold air distribution. Proceedings of the 2nd International Exergy, Energy, and Environment Symposium (IEEES 2), 3-7 July, Kos, Greece.

Spitler, J.D., X. Liu, S.J. Rees, and C. Yavuzturk. 2005. Simulation and Optimization of Ground Source Heat Pump Systems. 8th International Energy Agency Heat Pump Conference, May 30-June 2, Las Vegas.

Spitler, J.D. 2005. Ground Source Heat Pump System Research – Past, Present and Future (Editorial). HVAC&R Research 11(2):165-167. https://doi.org/10.1080/10789669.2005.10391132

Xiao, D., S.J. Rees, J.D. Spitler, and R.L. Dougherty. 2005. Transient Conduction Analytical Solutions for Testing of Building Energy Simulation Programs. Building Services Engineering, Research and Technology 26(3):229-247. https://doi.org/10.1191/0143624405bt134oa

2004

Chantrasrisalai, C., and D.E. Fisher. 2004. Comparative Analysis of One-Dimensional Slat-Type Blind Models. Proceedings of the SimBuild 2004 Conference, August 4-6,  Boulder, Colorado.

Cremaschi, L., Y. Hwang, and R. Radermacher. 2004. Investigation of Oil Retention in Residential Heat Pump. Proceedings of the 10thInternational Refrigeration and Air Conditioning Conference at Purdue, Paper No. R104, July 12-15, West Lafayette, IN, USA.

Hwang, Y., L. Cremaschi, R. Radermacher, T. Hirata, Y. Ozaki, and T. Hotta. 2004. Oil Circulation Behavior in Low Temperature CO2 Climate Control Systems. SAE World Congress, SAE SP-1859, Detroit, pp.33-38.

Iu, I., and D. Fisher. 2004. Application of Conduction Transfer Functions and Periodic Response Factors in Cooling Load Calculation Procedures. ASHRAE Transactions 110(2):829-841.

Khan, M.H., and J.D. Spitler. 2004. Performance Analysis of a Residential Ground Source Heat Pump System with Antifreeze Solution.Proceedings of the SimBuild 2004 Conference, August 4-6,  Boulder, Colorado.  

Liu, X., and J.D. Spitler. 2004. A Simulation Tool for the Design of the Hydronic Bridge Snow Melting System. Proceedings of the 12th International Road Weather Conference, June 16-18, Bingen (on Rhine), Germany.

Liu, X., and J.D. Spitler. 2004. Simulation Based Investigation on the Design of Hydronic Snow Melting System. Proceedings of the Transportation Research Board 83rd Annual Meeting, January 11-15, Washington, D.C.

Radermacher R, L. Cremaschi, and Y. Hwang. 2004. Comparison of Oil Retention in R134a and CO2 Climate Control Systems. 2004 Alternate Refrigerant Systems Symposium, Scottsdale, Arizona, U.S.

Rees, S.J., J.D. Spitler, Z. Deng, C.D. Orio, and C.N. Johnson. 2004. A Study Of Geothermal Heat Pump And Standing Column Well Performance. ASHRAE Transactions 110(1):3-13.

2003

Beier, R.A., and M. Smith. 2003. Removing Variable Heat Rate Effects from Borehole Tests. ASHRAE Transactions 109(2):463-474.

Beier, R.A., and M. Smith. 2003. Minimum Duration of In-Situ Tests on Vertical Boreholes. ASHRAE Transactions 109(2):475-486.

Chantrasrisalai, C., V. Ghatti, D.E. Fisher, and D.G. Scheatzle. 2003. Experimental Validation of the EnergyPlus Low-Temperature Radiant Simulation. ASHRAE Transactions 109(2):614-623.

Chantrasrisalai, C., D.E. Fisher, I.S. Iu, and D. Eldridge. 2003. Experimental Validation of Design Cooling Load Procedures: The Heat Balance Method.  ASHRAE Transactions 109(2):160-173.

Eldridge, D., D.E. Fisher, I.S. Iu, and C. Chantrasrisalai. 2003. Experimental Validation of Design Cooling Load Procedures: Facility Design. ASHRAE Transactions 109(2):151-159.

Gehlin, S. and J.D. Spitler. 2003. Thermal Response Test for BTES Applications - State of the Art 2001. 9th International Conference on Thermal Energy Storage, September 1-4, Warsaw, Poland, pp. 381-387.

Hwang, Y., L. Cremaschi, R. Radermacher, T. Hirata, Y. Ozaki, and T. Hotta. 2003. Oil Circulation Ratio in CO2 Climate Control Systems. SAE 2003 World Congress, Detroit, 03HX-25.

Iu, Iu, I., P.K. Bansal, S.J. Rees, and D.E. Fisher. 2003. Advanced Heat Pump Modelling Tools for Low Energy System Design. Proceeding of International Conference on Building Systems and Facilities Management, Singapore, Oct. 8-10.

Iu, I., P.K. Bansal, S. Rees, D. Fisher, and J. Spitler. 2003. Energy efficiency analysis of a unitary heat pump system. Proceedings of  International Conference on Building Systems and Facilities Management – Integrating Innovations and Technologies For a Built Environment, Singapore, October 8-10, pp 334 – 341.

Iu, I.S., D.E. Fisher, C. Chantrasrisalai, and D. Eldridge. 2003. Experimental Validation of Design Cooling Load Procedures: The Radiant Time Series Method. ASHRAE Transactions 109(2):139-150.

Jenks, S.C., J.R. Whiteley, K. N. Pandit, D. S. Arndt, M. L. Stone, R. L. Elliot,  J. D. Spitler, and M. D. Smith.  2003.  Smart Control of a Geothermally Heated Bridge Deck.  Proceedings of the Transportation Research Board 82nd Annual Meeting, January 12-16, Washington, D.C.  

Jin, H., and J.D. Spitler. 2003. Parameter Estimation Based Model of Water-to-Water Heat Pumps with Scroll Compressors and Water/Glycol Solutions. Building Services Engineering Research and Technology 24(3):203-219. https://doi.org/10.1191/0143624403bt072oa

Khan, M.H., A. Varanasi, J.D. Spitler, D.E. Fisher, and R.D. Delahoussaye. 2003. Hybrid Ground Source Heat Pump System Simulation Using Visual Modeling Tool For Hvacsim+. Proceedings of Building Simulation 2003, Eindhoven, Netherlands, pp. 641-648.

Liu, X., S.J. Rees, and J.D. Spitler. 2003. Simulation of a Geothermal Bridge Deck Anti-icing System and Experimental Validation.  Proceedings of the Transportation Research Board 82nd Annual Meeting, January 12-16, Washington, D.C.  

Pedersen, C.O., D.E. Fisher, R.J. Liesen, and R.K. Strand. 2003. ASHRAE Toolkit for Building Load Calculations. ASHRAE Transactions 109(1):583-589.

Spitler, J.D., and C. Underwood. 2003. UK Application of Direct Cooling Ground Source Heat Pump Systems. Proceedings of ASHRAE-CIBSE Conference, September 24-26, Edinburgh, Scotland.

Spitler, J.D., X. Liu, S.J. Rees, and C. Yavuzturk. 2003. Simulation and Design of Ground Source Heat Pump Systems. Journal of Shandong University of Architecture and Engineering 18(1):1-10.

2002

Bose, J.E., M.D. Smith, and J.D. Spitler. 2002. Advances in Ground Source Heat Pump Systems - An International Overview. Proceedings of the Seventh International Energy Agency Heat Pump Conference, May 19-22, Beijing, China, 1:313-324.

Crawley, D. B., L. K. Lawrie, F. C. Winkelmann, W. F. Buhl, Y. Joe Huang, C. O. Pedersen, R. K. Strand, R. J. Liesen, and D. E. Fisher, M.J. Witte, and J. Glazer. 2002. EnergyPlus: creating a new-generation building energy simulation program. Energy and Buildings 33(4):319-331.

Crawley, D.B., L.K. Lawrie, F.C. Winkelmann, W. F. Buhl, C.O. Pedersen, R.K. Strand, R.J. Liesen, D.E. Fisher, M.J. Witte, R.H. Henninger, J. Glazer, and D. Shirey. 2002. EnergyPlus: New, Capable, and Linked. Proceedings of the 2002 International Green Building Conference, Austin, Texas, November 2002.

Hwang, Y., L. Cremaschi, R. Radermacher, T. Hirata, Y. Ozaki, and T. Hotta. 2002. Oil Circulation Ratio Measurement in CO2 Cycle. Proceedings of the 2002 International Conference New Technologies in Commercial Refrigeration, Urbana-Champaign, IL, pp. 22-28.

Jin, H., and J.D. Spitler. 2002. A Parameter Estimation Based Model of Water-To-Water Heat Pumps for use in Energy Calculation Programs. ASHRAE Transactions 108(1):3-17.

Kim, T., J.D. Spitler, and R.D. Delahoussaye. 2002. Optimum Duct Design for Variable Air Volume Systems, Part 1: Problem Domain Analysis of VAV Duct Systems. ASHRAE Transactions 108(1):96-104.

Kim, T., J.D. Spitler, and R.D. Delahoussaye. 2002. Optimum Duct Design for Variable Air Volume Systems, Part 2: Optimization of VAV Duct Systems. ASHRAE Transactions 108(1):105-127.

Rees, S.J., J.D. Spitler, and X. Xiao. 2002. Transient Analysis of Snow-melting System Performance. ASHRAE Transactions 108(2):406-423.

Rees, S.J., D. Xiao, and J.D. Spitler. 2002. An Analytical Verification Test Suite for Building Fabric Models in Whole Building Energy Simulation Programs. ASHRAE Transactions 108(1):30-41. Awarded the ASHRAE Willis Carrier Award and Technical Paper Award.

Strand, R.K., D.E. Fisher, R.J. Liesen, and C.O. Pedersen. 2002. Modular HVAC Simulation and the Future Integration of Alternative Cooling Systems in a New Building Energy Simulation Program. ASHRAE Transactions 108(2):1107-1117.

Witte, H.J.L., G.J. van Gelder, and J.D. Spitler. 2002. In Situ Measurement of Ground Thermal Conductivity: The Dutch Perspective. ASHRAE Transactions 108(1):263-272.

Xiao, D., J.D. Spitler, and S.J. Rees. 2002. An Analytical Verification Test Suite for Multizone Building Fabric and Control Models in Whole Building Energy Simulation Programs. Proceedings of the eSim 2002 Conference, September 11-13, Montreal, Canada, pp. 260-267.

Jin, H., and J.D. Spitler. 2002. Parameter Estimation Based Model of Water-to-Water Heat Pumps with Scroll Compressors and Water/Glycol Solutions. The 6th International Conference on System Simulation in Buildings, December 16-18. Liége, Belgium.

2001

Chiasson, A., and J.D. Spitler. 2001.  Modeling Approach to Design of a Ground-Source Heat Pump Bridge Deck Heating System.  Transportation Research Record 1741:207-215. https://doi.org/10.3141/1741-29

Ramamoorthy, M. H. Jin, A. Chiasson, and J.D. Spitler. 2001. Optimal Sizing of Hybrid Ground-Source Heat Pump Systems that use a Cooling Pond as a Supplemental Heat Rejecter – A System Simulation Approach.  ASHRAE Transactions 107(1):26-38.

Rees, S.J., J.J. McGuirk, and P. Haves. 2001. Numerical Investigation of Transient Buoyant Flow in a Room with a Displacement Ventilation and Chilled Ceiling System. Int. Journal of Heat and Mass Transfer, 44(6):3067-3080.

Rees, S.J., and P. Haves. 2001. A Nodal Model for Displacement Ventilation and Chilled Ceiling Systems in Office Spaces. Building and Environment 36(6):753-762.

Spitler, J.D. 2001. Using the Earth for Energy Storage (Editorial).  Heat Transfer Engineering 22(6):1-2. https://doi.org/10.1080/014576301317048389

Yavuzturk, C., and J.D. Spitler. 2001. Field Validation of a Short Time-Step Model for Vertical Ground Loop Heat Exchangers. ASHRAE Transactions 107(1):617-625.

2000

Austin, W., C. Yavuzturk, and J.D. Spitler. 2000. Development Of An In-Situ System For Measuring Ground Thermal Properties. ASHRAE Transactions 106(1):365-379.

Chiasson, A., S.J. Rees, and J.D Spitler. 2000. A Preliminary Assessment of the effects of Ground-water Flow on Closed-Loop Ground-Source Heat Pump Systems. ASHRAE Transactions 106(1):380-393.

Chiasson, A., and J.D. Spitler. 2000. A Modeling Approach To Design Of A Ground-Source Heat Pump Bridge Deck Heating System.  Proceedings of the 5th International Symposium on Snow Removal and Ice Control Technology, Roanoke, VA.  

Chiasson, A.D., J.D. Spitler, S.J. Rees, and M.D. Smith. 2000. A Model For Simulating The Performance Of A Shallow Pond As A Supplemental Heat Rejecter With Closed-Loop Ground-Source Heat Pump Systems.  ASHRAE Transactions 106(2):107-121.

Chiasson A.D., J.D. Spitler, S.J. Rees, and M.D. Smith. 2000. A Model for Simulating the Performance of a Pavement Heating System as a Supplemental Heat Rejecter With Closed-Loop Ground-Source Heat Pump Systems. ASME Journal of Solar Energy Engineering 122:183-191. https://doi.org/10.1115/1.1330725

Rees, S.J., J.D. Spitler, M.J.  Holmes, and P. Haves. 2000. Comparison of Peak Load Predictions and Treatment of Solar Gains in the Admittance and Heat Balance Load Calculation Procedures. Building Services Engineering Research and Technology 21(2):125-138.   Awarded the CIBSE Napier-Shaw Bronze Medal. https://doi.org/10.1177/014362440002100207

Rees, S.J., J.D. Spitler, M.G. Davies, and P. Haves. 2000. Qualitative Comparison of North American and U.K. Cooling Load Calculation Methods. HVAC&R Research 6(1):75-99. https://doi.org/10.1080/10789669.2000.10391251

Spitler J.D., C. Yavuzturk, and S.J Rees. 2000. In-Situ Measurement of Ground Thermal Properties. Proc. of TERRASTOCK 2000, August 2000, Stuttgart, 1:165-170.

Spitler J.D., S.J. Rees, and C. Yavuzturk. 2000. Recent Developments in Ground Source Heat Pump System Design, Modelling and Applications. Proc. of CIBSE/ASHRAE joint conference "20 20 Vision", September, Dublin, Session 9a, Paper A28, p.34.

Spitler, J.D. 2000. GLHEPRO -- A Design Tool For Commercial Building Ground Loop Heat Exchangers.  Proceedings of the Fourth International Heat Pumps in Cold Climates Conference, Aylmer, Québec.

Spitler, J.D., and M. Ramamoorthy 2000. Bridge Deck Deicing using Geothermal Heat Pumps.  Proceedings of the Fourth International Heat Pumps in Cold Climates Conference, Aylmer, Québec.

Strand, R.K., and D.E. Fisher. 2000. Developing Thermal Intuition using Building Thermal Simulations in the Classroom. Proceedings of the ACSA Technology Conference, Cambridge, MA.

Strand, R.K., and D.E. Fisher. 2000.  EnergyPlus: A New-Generation Energy Analysis and Load Calculation Engine for Building Design.  Proceedings of the ACSA Technology Conference, Cambridge, MA.

Yavuzturk, C., and J.D. Spitler. 2000. Comparative Study of Operating and Control Strategies for Hybrid Ground-Source Heat Pump Systems Using a Short Time Step Simulation Model.  ASHRAE Transactions 106(2):192-209.

Pre-2000

Crawley, D.B., L.K. Lawrie, C.O. Pedersen, R.J. Liesen, D.E. Fisher, R.K. Strand, R.D. Taylor, R.C. Winkelmann, W.F. Buhl, Y.J. Huang, and A.E. Erdem. ENERGYPLUS, A New-Generation Building Energy Simulation Program. Proceedings of Building Simulation '99, 1:81-88.

Fisher, D.E., R.D. Taylor, F. Buhl, R.J. Liesen, and R.K. Strand. 1999. A Modular, Loop-Based Approached to HVAC Energy Simulation and Its Implementation in EnergyPlus. Proceedings of Building Simulation '99, 3:1245-1252.  

Huang, J., F. Winkelmann, F. Buhl, C. Pedersen, D. Fisher, R. Liesen, R. Taylor, R. Strand, D. Crawley, and L. Lawrie. 1999. Linking The COMIS Multi-Zone Airflow Model With The ENERGYPLUS Building Energy Simulation Program.  Proceedings of Building Simulation '99,2:1065-1070.

Rees, S.J., and P. Haves. 1999. A Nodal Model for Displacement Ventilation and Chilled Ceiling Systems. Proc. of Building Simulation 99, September 13-15, Kyoto, Japan, 1:433-440.

Rees, S.J., and J.D. Spitler. 1999. Proposals for a Building Load Diagnostic Test Procedure. ASHRAE Transactions 105(2):514-526.

Spitler, J.D., and D.E. Fisher. 1999. Development of Periodic Response Factors for Use with the Radiant Time Series Method. ASHRAE Transactions 105(2):491-509.

Spitler, J.D., and D.E. Fisher. 1999. On the Relationship Between the Radiant Time Series and Transfer Function Methods for Design Cooling Load Calculations. HVAC&R Research 5(2):123-136. https://doi.org/10.1080/10789669.1999.10391228

Spitler, J.D., S.J. Rees, and C. Yavuzturk. 1999. More Comments on In-situ Borehole Thermal Conductivity Testing. The Source 12(2):4-6.

Strand, R., C. Pedersen, D. Fisher, R. Liesen, R. Taylor, J. Huang, F. Winkelmann, F. Buhl, S. Crawley, and L. Lawrie. 1999. Enhancing And Extending The Capabilities Of The Building Heat Balance Simulation Techniques For Use In ENERGYPLUS. Proceedings of Building Simulation '99, 2:653-660.

Yavuzturk, C., and J.D. Spitler. 1999.  A Short Time Step Response Factor Model for Vertical Ground Loop Heat Exchangers. ASHRAE Transactions 105(2):475-485.

Yavuzturk, C.,  S.J. Rees, and J.D. Spitler. 1999. A Transient Two-dimensional Finite Volume Model for the Simulation of Vertical U-Tube Ground Heat Exchangers. ASHRAE Transactions 105(2):465-474.

Crawley, D.B., L.K. Lawrie, C.O. Pedersen, R.J. Liesen, D.E. Fisher, R.K. Strand, R.D. Taylor, F.C. Winkelmann, W.F. Buhl, Y.J. Huang, and A.E. Erdem. 1998. Beyond DOE-2 and BLAST: EnergyPlus, the New Generation Energy Simulation Program. Proceedings of the 1998 Summer Study on Energy Efficiency in Buildings, 3:3.89-3.104.

Crawley, D.B, L. K. Lawrie, C.O. Pedersen, R.J. Liesen, D.E. Fisher, F.C. Winkelmann, and W.F. Buhl. 1998. EnergyPlus: The New Generation Energy Simulation Program beyond BLAST and DOE-2. ASES Passive Conference, Albuquerque, New Mexico.

**Lindstrom, P.C., D.E. Fisher, and C.O. Pedersen. 1998. Impact of Surface Characteristics on Radiant Panel Output. ASHRAE Transactions 104(1):1079-1089.

Rees, S.J., J.D. Spitler, and P. Haves. 1998. Quantitative Comparison of North American and U.K. Cooling Load Calculation Procedures - Results. ASHRAE Transactions 104(2):47-61.

Spitler, J.D., and S.J. Rees. 1998. Quantitative Comparison of North American and U.K. Cooling Load Calculation Procedures - Methodology. ASHRAE Transactions 104(2):36-46.

Crawley, D.B., L.K. Lawrie, F.C. Winkelmann, W.F. Buhl, A.E. Erdem, C.O. Pedersen, R.J. Liesen, and D.E. Fisher. 1997. The Next-Generation in Building Energy Simulation -- A Glimpse of the Future. Proceedings of Building Simulation '97, 3:395-402.

Crawley, D.B., L.K. Lawrie, F.C. Winkelmann, W.F. Buhl, A.E. Erdem, C.O. Pedersen, R.J. Liesen, and D.E. Fisher. 1997. What's Next for Building Energy Simulation—A Glimpse of the Future. Proceedings of the 22nd National Passive Solar Conference, Washington, D. C., April 25-30, pp. 309-314.

Fisher, D.E., and C.O. Pedersen. 1997. Convective Heat Transfer in Building Energy and Thermal Load Calculations. ASHRAE Transactions 103(2):137-148. (Winner of the ASHRAE "Best Technical Merit" Award).

Pedersen, C.O., D.E. Fisher, and R.J. Liesen. 1997.  Development of a Heat Balance Procedure for Calculating Cooling Loads. ASHRAE Transactions 103(2):459-468.

Pedersen, C.O., D.E. Fisher, R.J. Liesen, R.K. Strand, R.D. Taylor, W.F. Buhl, F.C. Winkelmann, L.K. Lawrie, and D.B. Crawley. 1997. EnergyBase: The Merger of BLAST and DOE-2. Proceedings of Building Simulation '97, 3:1-8.

Spitler, J.D., D.E. Fisher, and C.O. Pedersen. 1997. The Radiant Time Series Cooling Load Calculation Procedure. ASHRAE Transactions103(2):503-515.

Crawley, D.B., L.K. Lawrie, F.C. Winkelmann, C. Pedersen, R. Liesen, and D. Fisher. 1996. Next Generation Building Energy Simulation Tools--A Vision of the Future. Proceedings of the ACEEE 1996 Summer Study on Energy Efficiency in Buildings, Asilomar, Pacific Grove, California, August 25-31, 4:69-76.  

Spitler, J.D., and J.D. Ferguson. 1995. Overview of the ASHRAE Annotated Guide to Load Calculation Models and Algorithms. ASHRAE Transactions 101(2):260-264.

Falconer, D.R., E.F. Sowell,  J.D. Spitler, B. Todovorich. 1993, Electronic Tables for the ASHRAE Load Calculation Manual. ASHRAE Transactions 99(1): 193-200.

Spitler, J.D., F.C. McQuiston, K. Lindsey. 1993. Development of a Revised Cooling and Heating Load Calculation Manual. ASHRAE Transactions 99(1):175-182.

Spitler, J.D., F.C. McQuiston, K. Lindsey. 1993. The CLTD/SCL/CLF Cooling Load Calculation Method. ASHRAE Transactions 99(1): 183-192.

Weathers, J.W., and J.D. Spitler. 1993. A Comparative Study of Room AirFlow: Numerical Prediction using Computational Fluid Dynamics and Full-Scale Experimental Measurements. ASHRAE Transactions 99(2):144-157.

Spitler, J., C. Pedersen, D. Fisher, P. Menne, J. Cantillo. 1991. An Experimental Facility for Investigation of Interior Convective Heat Transfer. ASHRAE Transactions 97(1): 497-504.

Spitler, J., C. Pedersen, D. Fisher. 1991.  Interior Convective Heat Transfer in Buildings with Large Ventilative Flow Rates. ASHRAE Transactions 97(1): 505-515.

Taylor, R.D., C.O. Pedersen, D.E. Fisher, R.J. Liesen, L.L. Lawrie. 1991. Impact of Simultaneous Simulation of Buildings and Mechanical Systems in Heat Balance Based Energy Analysis Programs on System Response and Control. Conference Proceedings IBPSA Building Simulation '91, Nice, France, August 20-22.

Taylor, R.D., C.O. Pedersen, D.E. Fisher, R.J. Liesen, L.L. Lawrie. 1990. Simultaneous Simulation of Buildings and Mechanical Systems in Heat Balance Based Energy Analysis Programs. Proceedings of the 3rd International Conference on System Simulation in Buildings, Liege, Belgium, December 3-5.

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Spitler, J.D., C.O. Pedersen and R.J. Bunkofske. 1987. Experimental Study of Interior Convective and Radiative Heat Transfer in Buildings. Heat Transfer in Buildings and Structures, ASME HTD 78:67-76.

Spitler, J.D. 1986. Achieving Ideal Modulation For VAV Fans. Specifying Engineer 56(4):64-69.

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