Design and numerical simulation of floor radiant system with two layer phase change energy storage

doi:10.3969/j.issn.0438-1157.2014.z2.036

CIESC Journal ›› 2014, Vol. 65 ›› Issue (z2): 240-247.DOI: 10.3969/j.issn.0438-1157.2014.z2.036

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Design and numerical simulation of floor radiant system with two layer phase change energy storage

XIA Yi^1,2, YAO Wenchao³, ZHANG Xiaosong¹, ZHANG Ruyi¹

1. School of Energy and Environment, Southeast University, Nanjing 210096, Jiangsu, China;
2. Institute of Energy and Mechanical Engineering, Nanjing Normal University, Nanjing 210000, Jiangsu, China;
3. Architecs and Engineers Co., LTD of Southeast University, Nanjing 210096, Jiangsu, China

Received:2014-08-25 Revised:2014-09-01 Online:2014-12-30 Published:2014-12-30
Supported by:
supported by the National Natural Science Foundation of China (51036001) and the "Twelfth Five-Year" National Science and Technology Support Project Topic (2011BAJ03B14).

双层相变蓄能地板供冷暖末端设计与模拟

夏燚^1,2, 姚文超³, 张小松¹, 张如意¹

1. 东南大学能源与环境学院, 江苏南京 210096;
2. 南京师范大学能源与机械工程学院, 江苏南京 210000;
3. 东南大学建筑设计研究院有限公司, 江苏南京 210096

通讯作者: 夏燚
基金资助:
国家自然科学基金重点项目(51036001);"十二五"国家科技支撑计划项目(2011BAJ03B14)。

Abstract

Abstract:

This paper puts forward a new type end equipment of double capillary floor system with phase change material, and makes theoretical study and numerical simulation on it. The analysis of heat storage time, phase transition temperature and water temperature so as well as the temperature distribution of each floor layer. The results of this study provide guidance to such system.

Key words: PCM, capillary network, energy storage, floor radiant, numerical simulation

摘要：

提出了一种新型双层毛细管相变地板末端系统,并对其进行理论研究和数值模拟,分析了蓄放热时间、相变温度的选取以及与供水温度的匹配和地板各层的温度分布情况,研究结果对该类系统的设计提供指导。

关键词: 相变材料, 毛细管网, 蓄能, 地板辐射, 数值模拟

CLC Number:

XIA Yi, YAO Wenchao, ZHANG Xiaosong, ZHANG Ruyi. Design and numerical simulation of floor radiant system with two layer phase change energy storage[J]. CIESC Journal, 2014, 65(z2): 240-247.

夏燚, 姚文超, 张小松, 张如意. 双层相变蓄能地板供冷暖末端设计与模拟[J]. 化工学报, 2014, 65(z2): 240-247.

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Design and numerical simulation of floor radiant system with two layer phase change energy storage

双层相变蓄能地板供冷暖末端设计与模拟

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