Progress on a novel VM-type pulse tube cryocooler for 4?K
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Progress on a novel VM-type pulse tube cryocooler for 4?K

机译：新型VM型脉冲管冷冻机的进展为4？K.

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摘要

Highlights?A new type pulse tube cryocooler driven by the thermal-compressor was experimentally studied.?A minimum no-load temperature 4.9?K was obtained, and the cooling power was 30?mW@5.6?K.?The multi-bypass was firstly used in the low-frequency Stirling type pulse tube cryocooler.?The calculated total input power was no more than 450?W.AbstractVM type pulse tube cryocooler is a new type pulse tube cryocooler driven by the thermal-compressor. This paper presented the recent experimental results on a novel single-stage VM type pulse tube cryocooler with multi-bypass. The low temperature double-inlet, orifice and gas reservoir, and multi-bypass were used as phase shifters. With the optimal operating frequency of 1.6?Hz and optimal average pressure of 1.4?MPa, a no-load temperature of 4.9?K has been obtained and 30?mW@5.6?K cooling power has been achieved. It was the first time for the single-stage VM-PTC obtaining liquid helium temperature reported so far. Moreover, it was also the first time for the multi-bypass being used in the low-frequency Stirling type pulse tube cryocooler.]]>
机译：<！[cdata [ 亮点 ？ 通过实验研究了热压缩机驱动的新型脉冲管冷冻机。 ？ 最小值 - 载荷温度4.9？k获得，冷却功率为30℃至5.5.6Ω克。 ？ 首先在低频旋钮脉冲管冷冻机中使用多旁路。 < / ce：list-item> ？ 计算uld总输入功率不超过450？w。 抽象 VM型脉冲管冷冻机是由热压缩机驱动的新型脉冲管冷冻机。本文介绍了具有多旁路的新型单级VM型脉冲管冷凝器上最近的实验结果。低温双入口，孔口和气体储存器，以及多旁路用作相移器。最佳工作频率为1.6？Hz和最佳平均压力为1.4？MPa，已经获得了4.9Ω·k的空载温度，并且已经实现了30个动力汇款汇。这是迄今为止报告的单级VM-PTC获得液氦温度的第一次。此外，它也是在低频旋钮脉冲管冷冻机中使用多旁路的第一次。 ]] >

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  • 来源
    《Cryogenics》 |2017年第2017期|共4页
  • 作者

    Changzhao Pan; Jue Wang; Kaiqi Luo; Junjie Wang; Yuan Zhou;

  • 作者单位

    Key Laboratory of Cryogenics Technical Institute of Physics and Chemistry Chinese Academy of Sciences;

    Key Laboratory of Cryogenics Technical Institute of Physics and Chemistry Chinese Academy of Sciences;

    Key Laboratory of Cryogenics Technical Institute of Physics and Chemistry Chinese Academy of Sciences;

    Key Laboratory of Cryogenics Technical Institute of Physics and Chemistry Chinese Academy of Sciences;

    Key Laboratory of Cryogenics Technical Institute of Physics and Chemistry Chinese Academy of Sciences;

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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

    VM; Thermal-compressor; Pulse tube; Liquid helium temperature; Multi-bypass;

    机译：VM;热压缩机;脉冲管;液氦温度;多旁路;

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