【正文快照】： 气体节流膨胀(throttling expansion)是一种很重要的热力学过程[1],在各种经典的物理化学、热物理或热力学教程中都占重要的位置[2-6]。
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coefficient of throttling expansion 节流膨胀系数
Throttling expansion process 节流膨胀过程
process of throttling expansion 节流膨胀过程
cycle with throttling expansion 带节流膨胀的循环
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.
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。
The high-pressure liquid refrigerant through the expansion valve, because the expansion valve throttling pressure drop, the refrigerant into normal temperature low pressure liquid.
常温高压的液体冷媒流过膨胀阀，因为膨胀阀的节流作用压力降低，使得冷媒变成常温低压的液体。
Liquid medium the dry filter to remove water, impurities, into the expansion valves throttling decompression, become a low voltage liquid medium, low temperature within in the evaporator gasification.
液态工质经干燥过滤器去除水份、杂质，进入膨胀阀节流减压，成为低温低压液态工质，在蒸发器内气化。
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