Study on the PCM flat-plate solar collector system with antifreeze characteristics

被引：57

作者：

Zhou, Fan ^{[1
]}

Ji, Jie ^{[1
]}

Yuan, Weiqi ^{[1
]}

Zhao, Xudong ^{[2
]}

Huang, Shengjuan ^{[1
]}

机构：

[1] Univ Sci & Technol China, Dept Thermal Sci & Energy Engn, 96 Jinzhai Rd, Hefei, Anhui, Peoples R China

[2] Univ Hull, Sch Engn, Kingston Upon Hull HU6 7RX, N Humberside, England

来源：

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2019年 / 129卷

基金：

中国国家自然科学基金;

关键词：

Flat-plate solar collector system; Phase change material; Antifreeze performance; PHASE-CHANGE; HEAT-TRANSFER; THERMAL PERFORMANCE; WATER-HEATER;

D O I：

10.1016/j.ijheatmasstransfer.2018.09.114

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

This paper proposes a flat-plate solar collector system (FPSCs) with antifreeze characteristics which uses the phase change material (PCM) to store up a moderate amount of thermal energy during the daytime and release the energy during the night to prevent the FPSCs from freezing damage. Previous studies about the FPSCs exploiting the PCM are mainly focus on the purpose of balancing the tank water temperature between the daytime and night. In the present work, the study on the characteristics of the PCM-FPSCs for the purpose of antifreeze has been conducted. A mathematical model with high precision for the daytime working and night freezing of the system is present. The daytime working and night antifreeze performance of the system are evaluated. The results show that the conventional FPSC system will get frozen when the daily average temperature is less than 5 degrees C. The PA-FPSC system can work when the daily average temperature is in the range of 0-5 degrees C. (C) 2018 Elsevier Ltd. All rights reserved.

引用

页码：357 / 366

页数：10

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