Thermal analysis of PCM-filled glass windows in hot summer and cold winter area

被引：12

作者：

Li, Shuhong ^{[1
]}

Zhou, Yingying ^{[1
]}

Zhong, Kecheng ^{[1
]}

Zhang, Xiaosong ^{[1
]}

Jin, Xing ^{[1
]}

机构：

[1] Southeast Univ, Sch Energy & Environm, Nanjing, Jiangsu, Peoples R China

来源：

INTERNATIONAL JOURNAL OF LOW-CARBON TECHNOLOGIES | 2016年 / 11卷 / 02期

关键词：

phase change materials; glass windows; FLUENT; thermal performance; surface temperature; BUILDINGS; STORAGE;

D O I：

10.1093/ijlct/ctt073

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Phase change material (PCM)-filled glass window was suitable for absorbing or releasing more heat than conventional glass window. Comparisons of thermal performance between PCM-filled glass windows and insulated glass windows (double glass windows filled with dry air and surrounded by sealing strips) were presented in this paper. A 3D unsteady model was built in FLUENT to obtain the internal and external surface temperature fluctuations of these windows in 48 h. Compared with insulated glass windows, thermal performance (especially the thermal regulation effect) of double glass windows filled with Na2SO4 center dot 10H(2)O was quite satisfactory in sunny days of summer, while double glass windows filled with CaCl2 center dot 6H(2)O had a better thermal performance in overcast and rainy days of summer. Because the phase change temperature of these PCM is higher than the ambient temperature in winter, the thermal regulation effects of them were not as good as expected.

引用

页码：275 / 282

页数：8

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