Study on Thermal Conductivities of CaCl2/ENG Composite Adsorbents

Gao Jiao; He Yan; Lin Yan; Yang Xiao

doi:10.3969/j.issn.0253-4339.2013.04.093

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Study on Thermal Conductivities of CaCl2/ENG Composite Adsorbents

更新时间：2024-07-18

- Study on Thermal Conductivities of CaCl2/ENG Composite Adsorbents
- Journal of Refrigeration Vol. 34, Issue 4, (2013)
- 作者机构：
  
  青岛科技大学机电工程学院
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0253-4339.2013.04.093
  CLC：
- Published：2013
- 稿件说明：
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Gao Jiao, He Yan, Lin Yan, et al. Study on Thermal Conductivities of CaCl2/ENG Composite Adsorbents[J]. Journal of refrigeration, 2013, 34(4).
DOI：

Gao Jiao, He Yan, Lin Yan, et al. Study on Thermal Conductivities of CaCl2/ENG Composite Adsorbents[J]. Journal of refrigeration, 2013, 34(4). DOI： 10.3969/j.issn.0253-4339.2013.04.093.

摘要

研究出具有良好的导热性能的吸附剂是吸附制冷的关键。利用耐驰LFA447导热仪测试了不同质量配比（氯化钙与膨胀石墨的质量比）和不同固化压力下氯化钙—膨胀石墨固化混合吸附剂的导热性能。实验结果表明：在一定范围内

在相同的质量比下随着固化压力的增大，导热系数不断增大；在相同的固化压力下随着氯化钙—膨胀石墨质量比的增大导热系数不断减小。在测试的所有样品中，当固化压力为1.7KN，氯化钙—膨胀石墨的质量比为2：1时，混合吸附剂的导热性能比较好，导热系数达到2.7 W/(m?K)。

Abstract

In order to study on the heat transfer performance of Cacl2/ENG

the solidified composite adsorbents with 4 different molding pressure and 3 different kinds of ratio between Cacl2 and expanded natural graphite have been developed. Meanwhile thermal conductivity of samples is tested with Nai Chi LFA447 conductivity Meter. The experiment results show that: in a certain range

the thermal conductivity increases with the increase of molding pressure under the same ratio and the thermal conductivity decreases with the ratio increases under the same molding pressure. In all the test samples

the thermal conductivity of consolidated composite adsorbents is reached its highest 2.7 W/ (m?K) when molding pressure is 1.7KN and the ratio of Cacl2/ENG is 2:1.

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