Numerical investigation of the effect of thermo physical properties on the performance of heat storage system

WU Bin; XING Yu-ming; RUI Shou-zhen

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Numerical investigation of the effect of thermo physical properties on the performance of heat storage system

更新时间：2026-07-07

- Numerical investigation of the effect of thermo physical properties on the performance of heat storage system
- Vol. 25, Issue 1, (2010)
- 作者机构：
  
  北京航空航天大学航空科学与工程学院,北京,100191
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2010
- 稿件说明：
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WU Bin, XING Yu-ming, RUI Shou-zhen. Numerical investigation of the effect of thermo physical properties on the performance of heat storage system[J]. 2010, 25(1).
DOI：

WU Bin, XING Yu-ming, RUI Shou-zhen. Numerical investigation of the effect of thermo physical properties on the performance of heat storage system[J]. 2010, 25(1). DOI：

摘要

建立了分析潜热蓄热系统蓄热性能的二维数学模型

并进行了数值计算.其中考虑了容器壁面的导热

且相变传热只考虑导热模型

对相变材料(PCM)相变过程的求解采用解耦法计算模型.对几种不同材料容器内PCM熔化过程进行了数值计算比较

结果表明

容器材料的导热系数、比热容和密度等热物性参数对PCM的熔化有很大的影响.此外还对不同初始温度和边界壁温对PCM熔化的影响进行了数值计算.所得结论对潜热蓄热系统的热性能及其优化设计有一定的指导作用.

Abstract

Two-dimensional mathematical model of latent heat storage performance was presented for heat storage system in consideration of the conduction of container wall

and only the process of phase change heat transfer was considered by conduction.The decoupled method computational model was used to analyze the phase change process of phase change material(PCM).Numerical calculation and comparison of the melting process of PCM were conducted for various types of container materials.The results show that thermo physical properties of thermal conductivity

specific heat and density of the container material have very important effects on the melting of PCM.Furthermore

numerical calculation and comparison of the melting process of PCM were conducted for different values of initial temperature and boundary wall temperature.The conclusion provides guidelines for latent heat storage system thermal performance and design optimization.

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