Thermal Storage Experiment of N-octadecane/Foam Phase Change Composite

Zhang Jingchi; Sheng Qiang; Tong Tiefeng; Ren Weijia

doi:10.3969/j.issn.0253-4339.2016.06.061

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Thermal Storage Experiment of N-octadecane/Foam Phase Change Composite

更新时间：2024-07-18

- Thermal Storage Experiment of N-octadecane/Foam Phase Change Composite
- Journal of Refrigeration Vol. 37, Issue 6, (2016)
- 作者机构：
  
  1. 中国科学院太空应用重点实验室中国科学院空间应用工程与技术中心
  2. 中国科学院大学
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0253-4339.2016.06.061
  CLC：
- Published：2016
- 稿件说明：
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Zhang Jingchi, Sheng Qiang, Tong Tiefeng, et al. Thermal Storage Experiment of N-octadecane/Foam Phase Change Composite[J]. Journal of refrigeration, 2016, 37(6).
DOI：

Zhang Jingchi, Sheng Qiang, Tong Tiefeng, et al. Thermal Storage Experiment of N-octadecane/Foam Phase Change Composite[J]. Journal of refrigeration, 2016, 37(6). DOI： 10.3969/j.issn.0253-4339.2016.06.061.

摘要

通过实验对相变复合材料的相变过程进行研究，将相变材料正十八烷（C18）分别填充到泡沫铜和泡沫碳中来提高相变材料的导热性能，采用差示扫描量热法（DSC）分析了正十八烷相变材料的热物性。利用相变蓄热装置对三种不同材料（C18、C18/泡沫碳、C18/泡沫铜）进行蓄放热对比实验，记录温度测试数据，分析这三种不同材料的温控性能与蓄热能力，并与正十八烷的结果对比。结果表明：泡沫材料的填充大幅提高相变材料的温控性能，使蓄热装置温度分布更均匀。

Abstract

The experimental investigation on the phase change processes had been carried out. N-octadecane (C18) was used as latent heat storage phase change material (PCM)

in which copper foams and carbon foams were embedded to enhance the heat transfer. The thermal properties of C18 were measured by differential scanning calorimetry(DSC). An experimental investigation on three thermal storage units (TSUs) with different kinds of materials filling state (C18

C18/carbon foam

C18/copper foam) had been carried out. The temperature data of TSUs had been recorded and analyzed. Compared to the results of pure C18 TSU

the effect of the foam materials on phase change heat transfer was very significant and made the temperature distribution more uniform.

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