4Yavuzturk C, Spitler J D. Comparative study of operating and control strategies for hybrid ground source heat pump systems using a short stimulation model [ J ]. ASHRAE Transactions, 2000,106 (2) : 192 - 209.
5Kananaugh S P. A design method for hybrid ground - source heat pumps [ J ]. ASHRAE Transactions, 1998, 104(2) :691 -698.
8Remund C P. Borehole thermal resistance: Laboratory and field studies [ J ]. ASHRAE Transactions, 1999, 105 ( 1 ) :439 - 445.
9Gu Y,ONeal D L. Modeling the effect of backfills on U -tube ground coil performance[ J ]. ASHRAE Transaction, 1998,104(2) :34 -41.
10Ramamoorthy M,Jin H. Optimal sizing of hybrid ground - source heat pump systems that use a cooling pond as a supplemental heat rejecter -a system simulation approach [ J ]. ASHRAE Transactions, 2001,107 ( 1 ) :26 - 38.
8Commercial/institutional ground-source heat pump en- gineering manual [ M ]. Atlanta: American Society of Heating Refrigerating and Air-conditioning Engineer- ings, Inc, 1995.
9Gilbreath C S. Hybrid ground source heat pump system for commercial application[ D]. Master's thesis. Uni- versity of Alabama. Tuscaloosa. 1996.
10Kavanaugh S P. A design method for hybrid ground- source heat pumps [ J ]. ASHRAE Transactions, 1998, 104(2) :691-698.