| Validation of vertical ground heat exchanger design methodologies JR Cullin, JD Spitler, C Montagud, F Ruiz-Calvo, SJ Rees, SS Naicker, ... Science and Technology for the Built Environment 21 (2), 137-149, 2015 | 70 | 2015 |
| Preliminary intermodel comparison of ground heat exchanger simulation models JD Spitler, J Cullin, M Bernier, M Kummert, P Cui, X Liu, E Lee, D Fisher Proceedings of 11th International Conference on Thermal Energy Storage …, 2009 | 64 | 2009 |
| A computationally efficient hybrid time step methodology for simulation of ground heat exchangers JR Cullin, JD Spitler Geothermics 40 (2), 144-156, 2011 | 56 | 2011 |
| Foundation heat exchangers for residential ground source heat pump systems—numerical modeling and experimental validation L Xing, JR Cullin, JD Spitler, P Im, DE Fisher HVAC&R Research 17 (6), 1059-1074, 2011 | 29 | 2011 |
| Comparison of simulation-based design procedures for hybrid ground source heat pump systems JR Cullin, JD Spitler Proceedings of the 8th international conference on system simulation in …, 2010 | 27 | 2010 |
| Misconceptions regarding design of ground-source heat pump systems JD Spitler, J Cullin Proceedings of the World Renewable Energy Congress, Glasgow, Scotland, 20-25, 2008 | 22 | 2008 |
| Residential ground source heat pump systems utilizing foundation heat exchangers J Spitler, L Xing, JR Cullin, D Fisher, J Shonder, P Im Proceedings of Clima 9 (12.05), 2010, 2010 | 20 | 2010 |
| Modeling of foundation heat exchangers—Comparison of numerical and analytical approaches L Xing, JR Cullin, JD Spitler Building Simulation 5, 267-279, 2012 | 17 | 2012 |
| Experimental validation of ground heat exchanger design methodologies using real, monitored data JR Cullin, F Ruiz-Calvo, PE JD Spitler PhD ASHRAE Transactions 120, 357, 2014 | 16 | 2014 |
| Feasibility of Foundation Heat Exchangers for Residential Ground Source Heat Pump Systems in the United States JR Cullin, L Xing, E Lee, JD Spitler, DE Fisher ASHRAE Transactions 118 (1), 1039-1048, 2012 | 15 | 2012 |
| Improvements in design procedures for ground source and hybrid ground source heat pump systems JR Cullin Oklahoma State University, 2008 | 14 | 2008 |
| Modeling of foundation heat exchangers L Xing, JD Spitler, JR Cullin Proceedings of System Simulation in Buildings, 13-15, 2010 | 11 | 2010 |
| Suitability of foundation heat exchangers for ground source heat pump systems in European climates JR Cullin ratio 1 (1), 1.56, 2014 | 3 | 2014 |
| Advancements in the simulation of ground source heat pump systems JR Cullin Oklahoma State University, 2014 | 2 | 2014 |
| Preliminary investigation of the effect of horizontal piping on the performance of a vertical ground heat exchanger system JR Cullin, E Lee ASHRAE Transactions 119, 302, 2013 | 2 | 2013 |
