Thermodynamic analyses and the experimental validation of the Pulse Tube Expander system

Jia Qiming; Gong Linghui; Feng Guochao; Zou Longhui

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Thermodynamic analyses and the experimental validation of the Pulse Tube Expander system

机译：热力学分析与脉冲管扩展系统的实验验证

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摘要

A Pulse Tube Expander (PTE) for small and medium capacity cryogenic refrigeration systems is described in this paper. An analysis of the Pulse Tube Expander is developed based on the thermodynamic analyses of the system. It is shown that the gas expansion is isentropic in the cold end of the pulse tube. The temperature variation at the outlet of Pulse Tube Expander is measured and the isentropic efficiency is calculated to be 0.455 at 2 Hz. The pressure oscillations in the pulse tube are obtained at different frequencies. The limitations and advantages of this system are also discussed.

机译：本文描述了用于小型容量低温冷冻制冷系统的脉冲管扩展器（PTE）。基于系统的热力学分析，开发了对脉冲管膨胀机的分析。结果表明，气体膨胀在脉冲管的冷端中是熵的。测量脉冲管膨胀机出口处的温度变化，并且在2Hz时计算熵效率为0.455。在不同的频率下获得脉冲管中的压力振荡。还讨论了该系统的局限性和优点。

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来源
《Cryogenics》 |2018年第2018期|共7页
作者
Jia Qiming; Gong Linghui; Feng Guochao; Zou Longhui;
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作者单位

Chinese Acad Sci Tech Inst Phys &

Chem State Key Lab Technol Space Cryogen Propellants Beijing 100194 Peoples R China;

Chinese Acad Sci Tech Inst Phys &

Chem State Key Lab Technol Space Cryogen Propellants Beijing 100194 Peoples R China;

Chinese Acad Sci Tech Inst Phys &

Chem State Key Lab Technol Space Cryogen Propellants Beijing 100194 Peoples R China;

Chinese Acad Sci Tech Inst Phys &

Chem State Key Lab Technol Space Cryogen Propellants Beijing 100194 Peoples R China;

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原文格式 PDF
正文语种 eng
中图分类制冷工程;低温物理学;
关键词
Pulse tube; Expander; Thermodynamic analyses; Experiment;

机译：脉管;膨胀机;热力学分析;实验;

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1. Thermodynamic analyses and the experimental validation of the Pulse Tube Expander system [J] . Jia Qiming, Gong Linghui, Feng Guochao, Cryogenics . 2018,第期

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Thermodynamic analyses and the experimental validation of the Pulse Tube Expander system

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