The model of HyGSHPs and traditional GSHPs are built up using program with the ground heat exchanger, supplemental heat rejecter system and the unit model according to various control methods.
以地埋管换热器、辅助散热系统和热泵机组模型依据不同控制方法编程组合成水源辅助散热的复合地源热泵系统和传统地源热泵系统模型。
An unsteady heat transfer model was sot up and solved by numerical solution for the heat transfer characteristic of U-pipe heat exchanger and the interaction of the two pipe legs of the GSHPs.
针对U型管埋地换热器的传热特点，考虑了两管脚之间的相互影响，建立起非稳态传热模型。
In the first and fifth run-year cycle, the annual running costs of HyGSHPs is less than traditional GSHPs by 2675 and 4648 yuan that account for 8.22% and 12.98% of their total annual running costs.
在本文系统运行的第1个和第5个年周期，最优控制方法下的复合热泵系统比传统热泵系统分别节省能耗费用2675元和4648元，占系统年度运行费用的8.22%和12.98%。
In the first and fifth run-year cycle, the annual running costs of HyGSHPs is less than traditional GSHPs by 2675 and 4648 yuan that account for 8.22% and 12.98% of their total annual running costs.
在本文系统运行的第1个和第5个年周期，最优控制方法下的复合热泵系统比传统热泵系统分别节省能耗费用2675元和4648元，占系统年度运行费用的8.22%和12.98%。
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