Cullin, J.R., and J.D. Spitler. 2011. A computationally efficient hybrid time step methodology for simulation of ground heat exchangers. Geothermics. In Press.
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.
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.
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.
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.
Spitler, J.D., and J.R. Cullin. 2008. Misconceptions Regarding Design of Ground-Source Heat Pump Systems. Proceedings of World Renewable Energy Congress X, Glasgow, Scotland, July 19-25.