92, Weijin Road
Nankai District
Tianjin, 300072
China
Tianjin University
Hot dry rock, supper long gravity heat pipe, upper limit, heat extraction rate, simulation
open loop, geothermal single well, district heating, heat pump, optimization
Ground source heat pump system (GSHPs), borehole heat exchanger (BHE), analytical model, periodic heat loads, Fourier series expansion