加热的热泵的性能系数 COPHP
通过实验，得出了发动机转速与热泵性能系数、发动机热效率的关系曲线，并进行了分析。
Through experiment, the relation figures of engine rotation speed, coefficient of performance of heat pump and engine thermal efficiency are presented and analyzed.
结果表明，短时间步温度反应系数模型可以较好地预测埋地换热器的换热性能，为地源热泵系统的设计与优化提供了依据。
The result proves that the short time step model can be used to predict heat exchange performance of the underground heat exchanger and to design and optimize a ground source heat pump system.
使用具有双热源的热泵可以综合各种热源的优点，提高性能系数。
Usage of the double heat source pump can integrate merits of many heat resources to promote its performance.
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