Thermal Storage Effect Analysis of Floor Heating Systems Using Latent Heat Storage Sheets

被引：11
作者：
Yun, Beom Yeol [1 ]
Yang, Sungwoong [1 ]
Cho, Hyun Mi [1 ]
Wi, Seunghwan [1 ]
Kim, Sumin [1 ]
机构：
[1] Yonsei Univ, Dept Architecture & Architectural Engn, Seoul 03722, South Korea
来源：
INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING-GREEN TECHNOLOGY | 2019年 / 6卷 / 04期
关键词：
Dynamic thermal analysis; Phase change materials; Thermal energy storage; Thermal heat storage; PHASE-CHANGE MATERIAL; ENHANCED INSULATING MATERIALS; ENERGY-CONSUMPTION; COMPOSITE PCMS; BUILDING ROOF; PERFORMANCE; IMPACT; CHINA; CONDUCTIVITY; TEMPERATURE;
D O I：
10.1007/s40684-019-00131-3
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The thermal energy storage (TES) is an energy storage method implemented to reduce the heating energy consumption of buildings by utilizing a high-efficiency heating system and a TES system. Therefore, in this study, a TES system is applied to a high-efficient floor heating system. Various methods are available to utilize the sensible heat and latent heat for TES, and a phase change material (PCM) that can store the latent heat is used in this study. The PCM is used in the form of a heat storage sheet. The physical property analysis results show that the phase change interval of the PCM was 17-32 degrees C, the latent heat amount was 40.39 J/g, and the specific heat was 1.5 J/(g K). The dynamic heat analysis confirmed the peak temperature rise during heating, and the maximum value at the surface was 1.04 degrees C. In addition, during cooling, a cooling delay time of up to 5 h was observed due to the heat storage effect of the PCM. Therefore, it is possible to store thermal energy by using a material called PCM, and the saved heat energy can reduce the heating energy requirement of buildings.
引用
收藏
页码：799 / 807
页数：9
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