Adaptive opaque façades and their potential to reduce thermal energy use in residential buildings: A simulation-based evaluation

IF 1.8 4区 工程技术 Q3 CONSTRUCTION & BUILDING TECHNOLOGY
M. Juaristi, F. Favoino, T. Gómez-Acebo, Aurora Monge-Barrio
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引用次数: 4

Abstract

Adaptive façades are a promising choice to achieve comfortable low-energy buildings. Their effective performance is highly dependent on the local boundary conditions of each application and on the way the dynamic properties are controlled. The evaluation of whole building performance through building performance simulation can be useful to understand the potential of different Adaptive opaque façades (AOF) in a specific context. This paper evaluates through dynamic simulations promising design solutions of AOF for a residential building use in six different climates. It quantifies the total delivered thermal energy of 15 typologies of AOFs which consist of alternative adaptation strategies: (i) variation of solar absorptance of the cladding, (ii) variation of the convective heat transfer of air cavities and (iii) adaptive insulation strategies. For the first time, it also quantifies the performance of AOF which combine more than one adaptation strategy. The results show that the variation of the heat transfer by means of Adaptive Insulation components has the most significant impact on the reduction of the thermal energy use. The variation of the solar absorptance has also a significant positive impact when reducing heating consumption, but only if this adaptation strategy is actively controlled and combined with Adaptive Insulation components.
自适应不透明外墙及其在住宅建筑中减少热能使用的潜力:基于模拟的评估
适应性外墙是实现舒适低能耗建筑的一种很有前途的选择。它们的有效性能高度依赖于每个应用的局部边界条件和动态特性的控制方式。通过建筑性能模拟对整个建筑的性能进行评估,有助于了解不同的自适应不透明建筑(AOF)在特定环境中的潜力。本文通过动态模拟评估了六种不同气候条件下住宅建筑的AOF设计方案。它量化了15种类型的AOFs的总传递热能,这些AOFs由不同的适应策略组成:(i)包层太阳吸收率的变化,(ii)空气腔对流换热的变化和(iii)自适应隔热策略。本文还首次量化了结合多种自适应策略的AOF的性能。结果表明,自适应保温构件的换热变化对减少热能消耗的影响最为显著。太阳能吸收率的变化对降低采暖消耗也有显著的积极影响,但前提是主动控制这种适应策略并与自适应保温组件相结合。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Journal of Building Physics
Journal of Building Physics 工程技术-结构与建筑技术
CiteScore
5.10
自引率
15.00%
发文量
10
审稿时长
5.3 months
期刊介绍: Journal of Building Physics (J. Bldg. Phys) is an international, peer-reviewed journal that publishes a high quality research and state of the art “integrated” papers to promote scientifically thorough advancement of all the areas of non-structural performance of a building and particularly in heat, air, moisture transfer.
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