Heat Transfer Model Founded and Regional Suitability Analysis of Photovoltaic Walls with Different Structures

  • ZHANG Wenjie ,
  • ZHAO Yingbo ,
  • LIU Wei ,
  • GONG Tongdan ,
  • LIU Kangyong
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  • 1. School of Energy and Power Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
    2. China Construction Sixth Division Construction & Development Co. Ltd., Tianjin 300451, China

网络出版日期: 2023-12-04

基金资助

This study was supported by the National Natural Science Foundation of China (Grant No. 51908287) and the Opening Funds of State Key Laboratory of Building Safety and Built Environment and National Engineering Research Center of Building Technology (Grant No. BSBE2020-7).

版权

Science Press, Institute of Engineering Thermophysics, CAS and Springer-Verlag GmbH Germany, part of Springer Nature 2022

Heat Transfer Model Founded and Regional Suitability Analysis of Photovoltaic Walls with Different Structures

  • ZHANG Wenjie ,
  • ZHAO Yingbo ,
  • LIU Wei ,
  • GONG Tongdan ,
  • LIU Kangyong
Expand
  • 1. School of Energy and Power Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
    2. China Construction Sixth Division Construction & Development Co. Ltd., Tianjin 300451, China

Online published: 2023-12-04

Supported by

This study was supported by the National Natural Science Foundation of China (Grant No. 51908287) and the Opening Funds of State Key Laboratory of Building Safety and Built Environment and National Engineering Research Center of Building Technology (Grant No. BSBE2020-7).

Copyright

Science Press, Institute of Engineering Thermophysics, CAS and Springer-Verlag GmbH Germany, part of Springer Nature 2022

摘要

对不同结构的光伏墙在不同地域的传热性能和适宜性进行了研究,首先针对一维非稳态传热模型应用于多种不同结构光伏幕墙计算时存在的问题,通过对相应墙体在垂直方向上划分出多个一维非稳态传热方程的求解单元,对其中的网格节点分别求解,实现对空气层开口、空气层封闭和无空气层这三种光伏墙及普通墙体等四种结构形式中各部位温度及热流等参数的模拟计算,并结合实验数据对采用此种方法改进后的计算模型的准确性进行了验证;对比分析了不同结构形式的光伏墙体在不同气候条件的地区的适宜性条件,研究结果表明,偏重于通风散热目的的南方地区宜采用空气层开口的光伏墙,偏重于保温隔热目的的北方地区宜采用空气层封闭的光伏墙,而对于过渡地区则应根据环境条件和当地建筑情况综合考虑采取何种形式的光伏墙体。

本文引用格式

ZHANG Wenjie , ZHAO Yingbo , LIU Wei , GONG Tongdan , LIU Kangyong . Heat Transfer Model Founded and Regional Suitability Analysis of Photovoltaic Walls with Different Structures[J]. 热科学学报, 2022 , 31(6) : 1970 -1989 . DOI: 10.1007/s11630-022-1649-y

Abstract

The heat transfer performance and suitability of photovoltaic walls with different structures in different regions have been studied. First, a quasi-two-dimensional calculation model was established to realize the simulation of photovoltaic walls with three structural forms (ordinary wall with air layer opening, air layer closed and no air layer); combined with the experimental data, the accuracy of the two-dimensional calculation model was verified. Based on the simulation results, the suitability of different structural forms of photovoltaic walls in areas with different climatic conditions were compared and analyzed. The results of the study show that the southern China that emphasize the purpose of ventilation and heat dissipation should adopt photovoltaic walls with open air layers, and the northern regions that emphasize the purpose of heat preservation and heat insulation should adopt photovoltaic walls with closed air layers; for transitional areas, the type of photovoltaic wall should be considered comprehensively according to environmental conditions and local building conditions.

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