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wang fu shi peng zhang ji
Author(s): 
Pages: 12-26
Year: Issue:  2
Journal: Cryogenics & Superconductivity

Keyword:  膨胀机往复式气缸壁低温制冷容积式液化装置活塞体空分装置气体膨胀制冷量;
Abstract: <正> 一、前言膨胀机就是用来使气体膨胀输出外功以产生冷量的一种低温机械。目前在空分装置、低温制冷液化装置上都广泛地采用了各种型式的膨胀机。根据气体膨胀输出外功的方法,膨胀机可分为两大类型:容积式膨胀机和透平式膨胀机。容积式膨胀机是利用气体在可变容积中进行膨胀输出外功。本文所述的各种往复式
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