A New Dynamic and Vertical Photovoltaic Integrated Building Envelope for High-Rise Glaze-Facade Buildings

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外文摘要：Substantially glazed facades are extensively used in contemporary high-rise buildings to achieve attrac-tive architectural aesthetics.Inherent conflicts exist among architectural aesthetics,building energy con-sumption,and solar energy harvesting for glazed facades.In this study,we addressed these conflicts by introducing a new dynamic and vertical photovoltaic integrated building envelope(dvPVBE)that offers extraordinary flexibility with weather-responsive slat angles and blind positions,superior architectural aesthetics,and notable energy-saving potential.Three hierarchical control strategies were proposed for different scenarios of the dvPVBE:power generation priority(PGP),natural daylight priority(NDP),and energy-saving priority(ESP).Moreover,the PGP and ESP strategies were further analyzed in the simu-lation of a dvPVBE.An office room integrated with a dvPVBE was modeled using EnergyPlus.The influ-ence of the dvPVBE in improving the building energy efficiency and corresponding optimal slat angles was investigated under the PGP and ESP control strategies.The results indicate that the application of dvPVBEs in Beijing can provide up to 131％of the annual energy demand of office rooms and significantly increase the annual net energy output by at least 226％compared with static photovoltaic(PV)blinds.The concept of this novel dvPVBE offers a viable approach by which the thermal load,daylight penetration,and energy generation can be effectively regulated.

外文关键词：

Weather-responsive facadesBuilding energy efficiencyDynamic photovoltaic integrated building envelopes(PVBEs)Building-integrated photovoltaics(BIPVs)

作者：

Wuwei Zou、Yan Wang、Enze Tian、Jiaze Wei、Jinqing Peng、Jinhan Mo

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作者单位：

Beijing Key Laboratory of Indoor Air Quality Evaluation and Control,Department of Building Science,School of Architecture,Tsinghua University,Beijing 100084,China

Songshan Lake Materials Laboratory,Dongguan 523808,China

Institute of Physics,Chinese Academy of Sciences,Beijing 100190,China

College of Civil Engineering,Hunan University,Changsha 410082,China

College of Civil and Transportation Engineering,Shenzhen University,Shenzhen 518060,China

State Key Laboratory of Intelligent Geotechnics and Tunnelling,Shenzhen 518060,China

Key Laboratory of Coastal Urban Resilient Infrastructures,Ministry of Education,Shenzhen University,Shenzhen 518060,China

Key Laboratory of Eco Planning & Green Building,Mini

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基金：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China

项目编号：

5207826952325801

出版年：

2024

DOI：

10.1016/j.eng.2024.01.014

工程(英文)

CSTPCDEI

ISSN：2095-8099

年,卷(期)：2024.39(8)