Experimental Research on the Thermal Performance of Composite PCM Hollow Block Walls and Validation of Phase Transition Heat Transfer Models

被引：16

作者：

Zhang, Yuan ^{[1
]}

Zhuang, Sunqi ^{[2
]}

Wang, Qian ^{[1
]}

He, Jiapeng ^{[2
]}

机构：

[1] Jiangsu Univ, Sch Energy & Power Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China

[2] Nanjing Tech Univ, Coll Urban Construct, Nanjing, Jiangsu, Peoples R China

来源：

ADVANCES IN MATERIALS SCIENCE AND ENGINEERING | 2016年 / 2016卷

关键词：

IMPACT FACTORS ANALYSIS; NUMERICAL-SIMULATION; CLAY BRICKS; CONFIGURATION; OPTIMIZATION; PEACEMAN; DESIGN;

D O I：

10.1155/2016/6359414

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A type of concrete hollow block with typical structure and a common phase change material (PCM) were adopted. The PCM was filled into the hollow blocks by which the multiform composite PCM hollow blocks were made. The temperature-changing hot chamber method was used to test the thermal performance of block walls. The enthalpy method and the effective heat capacity method were used to calculate the heat transfer process. The results of the two methods can both reach the reasonable agreement with the experimental data. The unsteady-state thermal performance of the PCM hollow block walls is markedly higher than that of the wall without PCM. Furthermore, if the temperature of the PCM in the wall does not exceed its phase transition temperature range, the PCM wall can reach high thermal performance.

引用

页数：15

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