4KAVANAUGH SP. Field tests for ground thermal properties-methods and impact on ground-source heat pump design [J]. ASlIRAE Transactions,2000,106 (1) :851-855.
5T KATSURA, K NAGANO, S TAKEDA,et ol.Develop- ment of a design and performance prediction tool for the ground source heat pump system [J]. Apply Thermal Engineering, 2006,26:1578-1592.
6P ROTH,A GEORGIEV,A BUSSO,et a/. First in situ determination of ground and borehole thermal properties in Latin America [J]. Renewable Energy,2004,29 (12) : 1947-1963.
