Jun, Liu; Xu, Zhang; Jun, Gao; Jie, Yang - In: Renewable Energy 34 (2009) 12, pp. 2898-2904
Total thermal resistance of ground heat exchanger (GHE) is comprised of that of the soil and inside the borehole. The thermal resistance of soil can be calculated using the linear source theory and cylindrical source theory, while that inside the borehole is more complicated due to the...