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Study on the inertance tube and double-inlet phase shifting modes in pulse tube refrigerators

机译：脉冲管制冷机惯性管和双入口相移模式的研究

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摘要

The double-inlet valve and inertance tube are the two main phase shifters of pulse tube refrigerators. They are crucial for the pulse tube refrigerators to obtain an appropriate phase relationship between pressure and mass flow. In the past decades, much attention has been given to understand the separate functions of the two phase shifters, and the present work will try to investigate their coupling functions. In this paper, the influence of the double-inlet valve on the cooling performance and characteristics of inertance tubes are numerically studied at first. Then an experimental setup is built to prove the numerical results. Based on the numerical and experimental study, it is concluded that the inertance tube cannot provide the optimum impedance for those pulse tube refrigerators with small cooling power because of turbulent flow. In such case, the double-inlet valve can help to provide a better impedance and further improve the cooling performance. On the other hand, the inertance tube can provide the optimum impedance for those pulse tube refrigerators with large cooling power and the double-inlet is not necessary in such a case.
机译：双入口阀和惯性管是脉冲管制冷机的两个主要移相器。它们对于脉冲管制冷机在压力和质量流量之间获得适当的相位关系至关重要。在过去的几十年中，人们已经非常重视了解两个移相器的独立功能，并且本工作将尝试研究它们的耦合功能。本文首先对双进水阀对冷却性能和惯性管性能的影响进行了数值研究。然后建立实验装置以证明数值结果。根据数值和实验研究，得出结论，惯性管由于湍流不能为那些冷却功率小的脉冲管制冷机提供最佳阻抗。在这种情况下，双入口阀可以帮助提供更好的阻抗并进一步提高冷却性能。另一方面，惯性管可以为那些具有大冷却能力的脉冲管制冷机提供最佳阻抗，并且在这种情况下不需要双入口。

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  • 来源
    《Energy Conversion & Management》 |2011年第2期|p.1077-1085|共9页
  • 作者

    J.Y. Hu; J. Ren; E.C. Luo; W. Dai;

  • 作者单位

    The Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry, CAS, Beijing 100190, China;

    The Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry, CAS, Beijing 100190, China,Graduate University of the Chinese Academy of Sciences, Beijing 100049, China;

    The Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry, CAS, Beijing 100190, China;

    The Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry, CAS, Beijing 100190, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    pulse tube; thermoacoustic; double-inlet; inertance tube;

    机译：脉冲管热声双入口惯性管;

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