期刊
ENERGY AND BUILDINGS
卷 231, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.enbuild.2020.110589
关键词
Climate-responsive facade; Dynamic facade; Indoor environment quality; Performance metrics; Multifunctional facade; Integrated design
Climate-responsive facades offer a dynamic response to exterior environmental loads, presenting a new paradigm for high-performance building facade design. The proposed framework includes five steps for qualitative assessment of facade requirements based on quantitative metrics.
Climate-responsive facades (CRFs) present a new paradigm for high-performance building facade design as they provide a dynamic response to exterior environmental loads. CRFs represent a new approach compared to typical facades constructed as static barriers with a fixed performance to separate the indoor and outdoor conditions. CRFs regulate the multiple environmental loads simultaneously through dynamic responses of different components. This study aims to develop a pre-design tool to support the selection of suitable technologies to create multifunctional CRFs. The proposed framework includes five steps that lead to a qualitative assessment of the facade requirements based on quantitative metrics. These steps include defining the objectives of a CRF, setting performance constraints based on environmental and building contexts, defining a responsive operation scenario, selecting the most suitable technology, and finally creating a conceptual design of the CRF. The framework's application is verified in designing a transparent and opaque CRF module based on the layout of a ventilated cavity Trombe wall. The discussion section shows that the specific metrics in the framework and their quantitative ranges are generalizable and can be adjusted to match case-specific architectural, environmental, and technical criteria. The applicability of the framework for the early decision-making stages of facade design is finally discussed, looking at the future steps for better integration of climate-responsive facades. (C) 2020 Elsevier B.V. All rights reserved.
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