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首页> 外文期刊>Journal of Heat Transfer >Experimental Study on Comprehensive Performance of Sintering Biporous Wicks Prepared by Salt Dissolution and Cold Pressing Process
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Experimental Study on Comprehensive Performance of Sintering Biporous Wicks Prepared by Salt Dissolution and Cold Pressing Process

机译：盐溶-冷压法制备烧结双孔灯芯综合性能的实验研究。

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摘要

Porous wicks are a key component of loop heat pipes (LHPs). In order to enhance the antigravity and long-distance operation ability of the LHP, a porous wick is required to have the characteristics of high permeability and high capillary suction capability. In this paper, biporous wicks were prepared by salt dissolution pore-forming technology, and a gas resistance testing platform and a capillary suction testing platform were setup to test the samples. The current research studies the effects of different pore-forming agent mass ratios (10%, 30%, and 40%) and different cold pressing pressures (30 kN, 40 kN, 50 kN, and 60 kN) on the porosity, permeability, and the suction speed. The study finds that the porosity, permeability, and the total suction mass of the porous wicks all increase when the NaCl mass increases; the increase of the suction speed is proportional to the increase of the porosity and the permeability, and hence, proportional to the increase of NaCl mass. The total suction mass and suction speed is inversely proportional to cold pressing pressure.
机译：多孔芯是回路热管（LHP）的关键组件。为了增强LHP的抗重力性和远距离操作能力，要求多孔芯具有高渗透性和高毛细吸力的特性。本文采用盐溶成孔技术制备了双孔灯芯，并建立了气体阻力测试平台和毛细管吸力测试平台对样品进行测试。当前的研究研究了不同成孔剂质量比（10％，30％和40％）和不同冷压压力（30 kN，40 kN，50 kN和60 kN）对孔隙率，渗透率的影响，和吸气速度。研究发现，当NaCl质量增加时，多孔芯的孔隙率，渗透率和总抽吸质量都增加;吸入速度的增加与孔隙率和渗透率的增加成正比，因此与NaCl质量的增加成正比。总抽吸质量和抽吸速度与冷压压力成反比。

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  • 来源
    《Journal of Heat Transfer》 |2020年第1期|011902.1-011902.11|共11页
  • 作者

    Chunsheng Guo; Cheng Jiang; Jun Ma; Yingwen Cao; Yong Zou; Yong Liu;

  • 作者单位

    State Key Laboratory of Petroleum Pollution Control Beijing 102206 China School of Mechanical Electronic & Engineering Shandong University at Weihai Weihai 264209 China;

    School of Mechanical Electronic and Engineering Shandong University at Weihai Weihai 264209 China;

    School of Mechanical Electronic and Engineering Shandong University at Weihai Weihai 264209 China Suzhou Institute of Shandong University Suzhou Jiangsu 215123 China;

    Key Laboratory of Liquid Structure and Heredity of Materials Ministry of Education Shandong University Jinan Shandong 250061 China;

    Key Laboratory of Liquid Structure and Heredity of Materials Ministry of Education Shandong University Jinan Shandonq 250061 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

    porous wicks; proportion of NaCl; cold pressing pressure; permeability; capillary suction capability; experiments;

    机译：多孔芯氯化钠比例冷压压力渗透性毛细吸力实验;

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