燃气机热泵一次能源利用率的分析 关键词 ：燃气机热泵；一次能源利用率；发动机热效率 [gap=615]Keywords： gas engine-driven heat pump； primary energy ratio； engine thermal efficiency
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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。
Cooling-water flow and heat transfer directly influences the cooling efficiency of diesel engine, thermal load of high temperature components, heat distribution of engine and energy utilization.
冷却水的流动与传热直接影响柴油机的冷却效率、高温零件的热负荷、整机的热量分配和能量利用。
In the process of diesel engine manufacturing, the cooling efficiency of the casting core of cylinder head is critical to the thermal stress analysis.
在内燃机的生产过程中，气缸盖铸造水芯的冷却效率对于发动机的热应力分析至关重要。
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