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Daylight performance assessment of atrium skylight with integrated semi-transparent photovoltaic for different climate zones in China
Building and Environment ( IF 7.4 ) Pub Date : 2021-03-01 , DOI: 10.1016/j.buildenv.2020.107299 Zhengyu Fan , Zehui Yang , Liu Yang
Building and Environment ( IF 7.4 ) Pub Date : 2021-03-01 , DOI: 10.1016/j.buildenv.2020.107299 Zhengyu Fan , Zehui Yang , Liu Yang
Abstract The utilization of atriums in large space public buildings has significantly improved the internal lighting performance, but due to the harsh external environment, the application of large-scale skylights also brings higher heating or cooling energy consumption. Skylight Integrated Photovoltaic (SIPV) technology can not only use solar energy efficiently, but also has a significant shading effect, avoiding direct impact on the indoor light and heat environment. At present, quite limited researches have studied the uncomfortable light environment of atrium caused by the application of semi-transparent photovoltaics in skylights. Therefore, it is very important to propose effective solutions to improve the daylight performance of these spaces or those with similar daylight climates. In this work, the indoor light environment has been systematically investigated through environmental simulation employing DAYSIM software. Both static and dynamic simulation analysis were carried out over the selected skylight photovoltaic glass to determine its appropriate area ratio of photovoltaic materials for representative Chinese cities. The optimal area ratio parameter range of thin film and crystalline silicon photovoltaic materials resulted in range of: 50–60% in Xi'an area for both thin film and crystalline silicon; 60–70% thin film in Beijing area, and 50–70% crystalline silicon; 50–60% thin film in Shanghai area, and crystalline silicon 60–70%; 50–60% thin film in Guangzhou area, and crystalline silicon 50–70%; 40–60% thin film in Harbin area, and crystalline silicon 40–60%; 30–50% in Chongqing area for both thin film and crystalline silicon. The design strategies of SIPV under various climatic conditions were then summarized.
更新日期：2021-03-01
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