Fan, Rui; Jiang, Yiqiang; Yao, Yang; Ma, Zuiliang - In: Energy 33 (2008) 11, pp. 1671-1679
Being environmental friendly and with the potential of energy-efficiency, ground-source heat pump (GSHP) systems are widely used. However, in southern China, there exists large difference between cooling load in summer and heating load in winter. Thus the increase of soil temperature gradually...