4Bose J E, Parker J D. Ground-coupled heat pump research[J]. ASHRAR Transactions, 1983, 89(2): 18-23.
5Bose J E, Parker J D, McQuiston F C. Design/data manual for closed-loop ground-heat pump system[M]. Atlanta(America) : American Society of Heating Refrigerating and Air-Conditioning Engineers, 1985.
6Catan M A, Baxter V D. Optimized ground-coupled heat pump system design for northern climate applications [J]. ASHRAR Transactions, 1985, 91(2B): 1185-1201.
7Mei V C, Baxter V D. Performance of a ground-coupled heat pump with multiple dissimilar U-tube coils in series[J]. ASHRAR Transactions, 1986, 92(2A) : 30-42.
8Kavanaugh S P. Field test of vertical ground-coupled heat pump in Alabama [ J ]. ASHRAR Transactions, 1992, 98 (2) : 607-616.
9Kavanaugh S P, Rafferty K D. Ground-source heat pumps: design of geothermal systems for commercial and institutional buildings[M]. American Society of Heating, Refrigerating and Air-Conditioning Engineering, 1997.
10Hepbasli A, Akdemir O, Hancioglu E. Experimental study of a closed loop vertical ground source heat pump system [ J ]. Energy Conversation and Management, 2003, 44(4): 527-548.