首页|Simulation of a novel curved photovoltaic(PV)window improving the annual daylighting and building energy performance simultaneously

Simulation of a novel curved photovoltaic(PV)window improving the annual daylighting and building energy performance simultaneously

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Building integrated photovoltaic(BIPV)windows impact building performance by balancing daylighting availability,visual comfort,solar power generation,and building energy consumption.Optimizing this balance is crucial for improving overall building energy efficiency and indoor environment quality.This study introduces a novel curved photovoltaic window design aimed at increasing daylight transmittance while maintaining the same photovoltaic area as a flat PV window.The annual daylighting availability,visual comfort and building energy performance of three types of flat/curved PV windows(180°,120°,0°-flat)in a reference office room was comparatively studied across five different climate zones in China(Xiamen,Harbin,Nanjing,Kunming,and Beijing).The PV model was validated by the experimental data.The results showed that the room with curved PV windows had significantly higher daylighting availability compared to flat windows,with the growth rates of the spatial useful daylight illuminance ranging of 3.94％-4.78％and 5.56％-5.94％,respectively,for the curved PV windows at central angles of 120° and 180° across different climate zones.The 120° curved PV windows achieved the lowest net energy used intensity(Net_EUI),suggesting the advantages of curved PV windows and proposed the existence of an optimal curvature for achieving the lowest Net_EUI.

BIPVcurved PVPV windowbuilding performance

Fangfang Gong、Yuan Gao、Xinyi Tian、Jun Wang、Jie Ji、Feng Shi、Xiaoqiang Hong

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Fujian Province University Key Laboratory of Intelligent and Low-carbon Building Technology,School of Architecture and Civil Engineering,Xiamen University,Xiamen,361005,Fujian,China

Department of Thermal Science and Energy Engineering,University of Science and Technology of China,Hefei,230026,Anhui,China

School of Environment and Energy Engineering,Anhui Jianzhu University,Hefei,230026,Anhui,China

Fujian Key Laboratory of Digital Simulations for Coastal Civil Engineering,Xiamen University,Xiamen,361005,Fujian,China

Xiamen Key Laboratory of Integrated Application of Intelligent Technology for Architectural Heritage Protection,Xiamen,361005,China

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2024

10.1007/s12273-024-1173-y

建筑模拟(英文版)

建筑模拟(英文版)

EI
ISSN：1996-3599
年,卷(期)：2024.17(11)