The simulation and optimization of year-round thermal characteristics of building envelope based on inorganic salt composite phase change materials

ZhenJia Jin; Haibin Li; ZhiXiang Liu

doi:10.1117/12.2687733

24 October 2023 The simulation and optimization of year-round thermal characteristics of building envelope based on inorganic salt composite phase change materials

ZhenJia Jin, Haibin Li, ZhiXiang Liu

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Proceedings Volume 12804, Second International Conference on Sustainable Technology and Management (ICSTM 2023); 128040O (2023) https://doi.org/10.1117/12.2687733
Event: 2nd International Conference on Sustainable Technology and Management (ICSTM2023), 2023, Dongguan, China

Abstract

In order to investigate the application effect of inorganic composite Phase Change Materials (PCM) in the active and passive compound phase change energy saving system, four kinds of inorganic composite phase change materials prepared in the previous study were used in the wall. In order to further analyze and compare the thermal insulation performance of different structures of solar heat collection/insulation energy-saving windows, determine the optimal structure of thermal insulation windows, read and record the temperature of each monitoring point, calculate and analyze the indoor average temperature and the surface temperature of the envelope structure, and focus on the analysis of the time and space change rule, summer daytime can shade, the comprehensive use of it can achieve multiple effects. By comparing the indoor temperature of the experimental room and the temperature of the glass inside and outside surface under the condition of different width of the top outboard structure, comparing the indoor temperature and the temperature of the glass inside and outside surface under the condition of whether the insulation device is opened at night, analyzing the heat collection effect in winter daytime. The effect of room combined phase change were evaluated. Based on the PMV-PPD human thermal comfort evaluation method were optimized according to the numerical simulation results.

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ZhenJia Jin, Haibin Li, and ZhiXiang Liu "The simulation and optimization of year-round thermal characteristics of building envelope based on inorganic salt composite phase change materials", Proc. SPIE 12804, Second International Conference on Sustainable Technology and Management (ICSTM 2023), 128040O (24 October 2023); https://doi.org/10.1117/12.2687733

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KEYWORDS

Composites

Solar radiation models

Molecules

Temperature metrology

Thermal effects

Windows

Glasses

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