含相变材料玻璃类围护结构传热系数分析

计算物理 ›› 2016, Vol. 33 ›› Issue (4): 427-433.

含相变材料玻璃类围护结构传热系数分析

刘昌宇, 李仔武, 李栋

东北石油大学土木建筑工程学院, 黑龙江大庆 163318

收稿日期:2015-07-03 修回日期:2015-11-23 出版日期:2016-07-25 发布日期:2016-07-25
通讯作者: 李栋(1979-),男,山东安丘人,副教授,博士,从事热环境仿真和优化研究,E-mail:lidonglvyan@126.com
作者简介:刘昌宇(1988-),男,黑龙江人,从事传热传质和太阳能利用研究,E-mail:lcy57649976@163.com
基金资助:
国家自然科学基金（51306031）资助项目

Analysis on Heat Transfer Coefficient of a PCM-glazed Unit

LIU Changyu, LI Zaiwu, LI Dong

School of Architecture and Civil Engineering, Northeast Petroleum University, Daqing 163318, China

Received:2015-07-03 Revised:2015-11-23 Online:2016-07-25 Published:2016-07-25

摘要/Abstract

摘要： 建立太阳辐射加热下含半透明相变材料类玻璃围护结构的一维相变导热和辐射耦合稳态传热模型，采用控制容积法结合布格尔定律，数值求解含相变材料玻璃围护结构内部的能量传递，分析相变材料的辐射物性参数和室内外环境因素对其传热系数的影响.结果表明，计算相变材料类玻璃围护结构传热系数需要考虑其半透明性；传热系数不仅受物性参数和环境因素的影响，还与材料的液相率与透光率等因素有关.

关键词: 传热系数, 相变材料, 玻璃围护结构, 耦合传热

Abstract: A coupled heat transfer model of phase change, radiation and heat conduction at steady state under solar irradiation in a semitransparent PCM-glazed unit was developed. Interior energy transfer of PCM-glazed unit was simulated with controlling volume method and Bouguer-Beer Law. Effects of radiation physical parameters, internal and external environment on heat transfer coefficient were investigated.It shows that it is necessary to consider semitransparent property of PCM-glazed unit as calculating heat transfer coefficient.Except for radiation physical property and environment, liquid fraction and light transmittance of PCM affect heat transfer coefficient as well.

Key words: heat transfer coefficient, PCM, glaze unit, coupled heat transfer

中图分类号:

TK124

刘昌宇, 李仔武, 李栋. 含相变材料玻璃类围护结构传热系数分析[J]. 计算物理, 2016, 33(4): 427-433.

LIU Changyu, LI Zaiwu, LI Dong. Analysis on Heat Transfer Coefficient of a PCM-glazed Unit[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2016, 33(4): 427-433.

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