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首页> 外文期刊>International Journal of Heat and Mass Transfer >The critical condition and oscillation - transition characteristic of thermocapillary convection in the space experiment on SJ-10 satellite
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The critical condition and oscillation - transition characteristic of thermocapillary convection in the space experiment on SJ-10 satellite

机译：SJ-10卫星空间实验中热毛细管对流的临界条件和振荡转变特性。

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摘要

This paper is an investigation on oscillation characteristics and transition routes of thermocapillary convection in an annular liquid pool in the space experiment carried out on SJ-10 recoverable scientific experiment satellite. Thermocapillary convection caused by non-uniformity of surface tension and the instability problem of the convection are introduced, and the measurement by thermocouples has been analyzed in detail. Through the relationship between the critical condition of start-oscillation in thermocapillary convection and the volume ratio, and the relationship between the oscillation frequency and the volume ratio, transition processes from steady flow to oscillatory flow and then to bifurcation are investigated. In addition, the acting mechanism of thermocapillary force has been discussed comparing with buoyant-thermocapillary convection on the ground. (C) 2019 Elsevier Ltd. All rights reserved.
机译：本文是在SJ-10可回收科学实验卫星进行的空间实验中，对环形液体池中热毛细管对流的振荡特性和跃迁路径进行的研究。介绍了由表面张力不均匀引起的热毛细对流和对流不稳定性问题，并详细分析了热电偶的测量方法。通过热毛细对流中开始振荡的临界条件与体积比之间的关系，以及振荡频率与体积比之间的关系，研究了从稳态流向振荡流再到分叉的过渡过程。此外，还讨论了与地面上的浮力-热毛细对流相比，热毛细作用力的作用机理。 （C）2019 Elsevier Ltd.保留所有权利。

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  • 来源
  • 作者

    Kang Qi; Jiang Huan; Duan Li; Zhang Chu; Hu Wenrui;

  • 作者单位

    Chinese Acad Sci, Inst Mech, Key Lab Micrograv, Beijing 100190, Peoples R China|Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China;

    Chinese Acad Sci, Inst Mech, Key Lab Micrograv, Beijing 100190, Peoples R China;

    Chinese Acad Sci, Inst Mech, Key Lab Micrograv, Beijing 100190, Peoples R China|Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China;

    Chinese Acad Sci, Inst Mech, Key Lab Micrograv, Beijing 100190, Peoples R China;

    Chinese Acad Sci, Inst Mech, Key Lab Micrograv, Beijing 100190, Peoples R China|Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R 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

    Space experiment; Thermocapillary convection; Oscillation; Bifurcation; Transition route;

    机译：空间实验;热毛细对流;振荡;分叉;过渡路径;

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