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.
同时介绍利用上述基本热力学数据计算石油天然气膨胀机制冷过程等熵效率；
The basic data thus obtained could be used for the calculation of the isentropic efficiency in the expanding process of natural gas in refrigeration.
合适的前倾角有利于扩大压气机工作范围，能够改善流道内的流动，提高等熵效率。
An appropriate front lean Angle increases the range of a centrifugal compressor, improves the flow and enhances the isentropic efficiency.
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