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Reduction of effective thermal conductivity for sintered LHP wicks

机译:降低LHP烧结灯芯的有效导热系数

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摘要

In this paper, the effective thermal conductivity (ETC) of sintered metal powders used in loop heat pipe wicks has been investigated. Experimental tests were performed on wicks sintered from pure nickel powder and nickel-copper powder mixtures in both dry mode and wet mode. Results show that ETC of sintered Ni-Cu wicks was less than that of sintered pure nickel wicks; ETC of sintered Ni-20 wt% Cu wicks decreases significantly, with a factor of 2.4 in dry mode and 2.2 in wet mode. The results of experiments are presented and analyzed with help of X-ray diffraction.
机译:本文研究了回路热管芯中使用的烧结金属粉末的有效导热系数(ETC)。在纯模式和湿模式下,对由纯镍粉和镍铜粉混合物烧结而成的灯芯进行了实验测试。结果表明,镍-铜芯烧结的ETC小于纯镍芯烧结的ETC。烧结的Ni-20 wt%Cu灯芯的ETC显着降低,在干态下为2.4,在湿态下为2.2。介绍了实验结果,并借助X射线衍射进行了分析。

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  • 来源
    《International Journal of Heat and Mass Transfer》 |2010年第14期|2932-2934|共3页
  • 作者单位

    Institute of Thermal Science and Technology, Shandong University, P.O. Box 88, No. 17923 Jingshi Road, Jinan 250061, PR China;

    Institute of Thermal Science and Technology, Shandong University, P.O. Box 88, No. 17923 Jingshi Road, Jinan 250061, PR China;

    Institute of Thermal Science and Technology, Shandong University, P.O. Box 88, No. 17923 Jingshi Road, Jinan 250061, PR China;

    Institute of Thermal Science and Technology, Shandong University, P.O. Box 88, No. 17923 Jingshi Road, Jinan 250061, PR 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

    effective thermal conductivity; loop heat pipe; sintered wick; Ni-Cu; x-ray diffraction;

    机译:有效导热系数;回路热管;烧结灯芯镍铜X射线衍射;

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