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首页> 外文期刊>Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics >Visualization study of the shrinkage void distribution in thermal energy storage capsules of different geometry
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Visualization study of the shrinkage void distribution in thermal energy storage capsules of different geometry

机译：不同几何形状储热胶囊中缩孔分布的可视化研究

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摘要

The presence of concentrated shrinkage voids in thermal energy storage systems employing encapsulated phase change material can cause serious problems when one attempts to melt the solidified phase change material for the next thermal cycle. Experiments were performed and void-formation phenomena with rectangular flat plate, spherical, and torus shape capsules were investigated. The initial void growth, distribution and the total void in the capsule were photographically studied from transparent capsules using cyclohexane, hexadecane, butanediol and octadecane as phase change materials. The observations on freezing process and the shrinkage void distribution are presented. (C) 2006 Elsevier Inc. All rights reserved.
机译：当人们试图将固化的相变材料用于下一个热循环时，在采用封装的相变材料的热能存储系统中集中收缩空隙的存在会引起严重的问题。进行实验，并研究矩形平板，球形和环形胶囊的空洞形成现象。使用环己烷，十六烷，丁二醇和十八烷作为相变材料，从透明胶囊中照相研究了胶囊中初始空隙的生长，分布和总空隙。介绍了冻结过程和收缩空隙分布的观察结果。 （C）2006 Elsevier Inc.保留所有权利。

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