The structural characteristics of the Lawal nozzle and the structure performance of the traditional full convergent nozzle were compared, and the performance of the Lawal nozzle nozzle in the steam ejector heat pump was analyzed. Through the actual prototype test of the Lawal nozzle applied to the steam ejector heat pump, the performance analysis conclusion based on the measured data was obtained, which provided the theoretical and data reference for the optimization of the performance of the traditional steam ejector heat pump.%将拉瓦尔喷管的结构特性与传统全收敛型喷嘴结构性能进行对比,分析了拉瓦尔喷管型喷嘴在蒸汽喷射式热泵中的使用性能.通过对拉瓦尔喷嘴应用于蒸汽喷射式热泵的实际样机进行测试,得出了以实测数据为依据的性能分析结论,为提升传统蒸汽喷射式热泵性能提供了理论及数据参考.
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