Through experiment, the relation figures of engine rotation speed, coefficient of performance of heat pump and engine thermal efficiency are presented and analyzed.

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。

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The concept of Associated Coefficient of Performance was presented, and the feasibility of air-conditioning system assisted by medium-high temperature heat pump was analyzed.

提出了联合性能系数的概念，分析了利用中高温热泵辅助太阳能空调系统的可行性。

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It points out that the relation between optimal heating rate and coefficient of performance of a Carnot heat pump is useless.

指出了卡诺热泵的最佳泵热率与致热系数间的关系是没有实际意义的。

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