And first law efficiency of testing result also shows a maximum value for certain evaporating pressure. The reason is the gas-liquid two-phase at the expander inlet under high pump frequency.

循环第一定律效率随着蒸发压力的增加也存在最大值，其原因是由于较高压力和流量下膨胀机入口存在汽液两相现象。

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And first law efficiency of testing result also shows a maximum value for certain evaporating pressure. The reason is the gas-liquid two-phase at the expander inlet under high pump frequency.

循环第一定律效率随着蒸发压力的增加也存在最大值，其原因是由于较高压力和流量下膨胀机入口存在汽液两相现象。

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