本文重点探讨了膨胀机出口带液量对其等熵效率的影响。
The influence of liquid quantity carried out from the exit of expansion machine upon its isentropic efficiency is emphatically discussed in this paper.
研究CO2转子膨胀机内高低压间泄漏问题是提高膨胀机效率的途径之一。
Study of leakage between high pressure and low pressure in CO2 rotary expander is important for improving the efficiency of expander.
对影响循环的主要参数分析表明，二次冷媒的冷凝温度及膨胀机进口压力对循环的效率影响很大。
From an analysis of the cycle influencing main parameters it is ascertained that the condensing temperature of secondary cooling medium exercises a very great influence on the cycle efficiency.
结果表明，气体冷却器出口温度、过热度和膨胀机效率对最优高压压力的影响较为明显。
It is illustrated that discharge temperature of gas cooler, efficiency of expander and degree of superheat at the inlet of compressor can exert more influence on the optimum high pressure.
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。
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。
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.
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