分析节流膨胀与等熵膨胀的原理，通过推导公式，从理论上找到二者的本质区别。
Analyzed are principles of throttling expansion process and isentropy expansion process and derivation formula is adopted to identify the essential distinction of the both theoretically.
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.
对涡旋膨胀机真实气体理想(等熵)膨胀过程进行了理论分析，提出了涡旋膨胀机真实气体设计压比的概念和计算方法，并进行了实验研究。
The concept of design compression ratio of real gas in a vortex expander and computational method are put forth. The corresponding experimental study has been done.
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.
当气体从高压到低压在等熵下膨胀时所产生的气体温度的变化。
The change in gas temperature that occurs when the gas is expanded at constant enthalpy from a high to low pressure.
当气体从高压到低压在等熵下膨胀时所产生的气体温度的变化。
The change in gas temperature that occurs when the gas is expanded at constant enthalpy from a high to low pressure.
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