Evaluation of a Kirigami-inspired double-skin adaptive façade for natural ventilation and solar harvesting to enhance indoor environment and energy performance

IF 6.6 2区 工程技术 Q1 CONSTRUCTION & BUILDING TECHNOLOGY Energy and Buildings Pub Date : 2024-10-21 DOI:10.1016/j.enbuild.2024.114927
Rodrigo Arauz , Evgeni Filipov , Alessandro Fascetti , Dale T. Clifford , John C. Brigham
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Abstract

A novel kirigami-inspired design concept for an environmentally responsive adaptive façade is presented and evaluated for the objectives of solar energy harvesting and adaptive ventilation through controllable surface orientation and opening. The concept is a double-skin façade where the outer skin includes a straight cut kirigami-inspired adaptive component. Controllable actuation of the kirigami-inspired section opens the outer skin for ventilation while also changing the orientation of the outer surface for solar tracking. The primary objective of this study is to evaluate the potential benefits for this concept integrated within a building façade for solar energy harvesting, air changes, and indoor temperature control. As such, a computational study is used to estimate the proposed facade concept's performance within various generalized building-environment scenarios. The methodology is detailed to computationally estimate the potential environmental performance of this concept with respect to solar harvesting with adhered solar panels, as well as air changes and HVAC cost for associated interior spaces. The example scenarios include various building components, from a single room to multiple building stories, and two geographic locations with significantly different environmental conditions, and both daily and yearly performance estimates are shown. The component is most effective when the outdoor temperature is near to the desired indoor temperature and wind speeds are mild, but can still reduce HVAC usage for more disparate temperatures. For example, in the scenarios shown the component can eliminate HVAC use for a 5°C difference between outdoor and indoor temperature and reduces HVAC usage for temperature differences up to 15°C. Moreover, the component has the potential to significantly increase net energy generation, with yearly performance estimated for the scenarios to be as much as 25% greater than that of a flat closed façade. However, the component cut parameters can have a significant impact on environmental performance, and thus require careful design consideration.

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评估桐神启发的双层自适应外墙,利用自然通风和太阳能收集改善室内环境和能源性能
本文介绍了一种新颖的桐木启发式自适应外墙设计概念,并对其进行了评估,目的是通过可控的表面朝向和开口实现太阳能收集和自适应通风。该概念是一种双层外墙,其中外层包括一个直切叽里呱啦启发式自适应组件。叽里咕噜启发部分的可控驱动可打开外表皮进行通风,同时还可改变外表面的朝向以实现太阳跟踪。本研究的主要目的是评估将这一概念集成到建筑外墙中,在太阳能收集、空气变化和室内温度控制方面的潜在优势。因此,本研究使用计算研究来估算拟议的外墙概念在各种通用建筑环境场景中的性能。该方法详细介绍了如何通过计算估算该概念在利用附着太阳能电池板收集太阳能方面的潜在环境性能,以及相关室内空间的空气变化和暖通空调成本。示例场景包括各种建筑组件,从单个房间到多层建筑,以及两个环境条件明显不同的地理位置,并显示了每日和每年的性能估算。当室外温度接近理想的室内温度且风速较小时,该组件最为有效,但在温度差异较大的情况下,仍可减少暖通空调的使用。例如,在所示场景中,当室外温度与室内温度相差 5°C 时,该组件可以消除暖通空调的使用,而当温差达到 15°C 时,则可以减少暖通空调的使用。此外,该组件还有可能显著提高净发电量,据估计,该组件的年度性能比平面封闭外墙高出 25%。然而,组件的切割参数会对环境性能产生重大影响,因此在设计时需要仔细考虑。
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
Energy and Buildings
Energy and Buildings 工程技术-工程:土木
CiteScore
12.70
自引率
11.90%
发文量
863
审稿时长
38 days
期刊介绍: An international journal devoted to investigations of energy use and efficiency in buildings Energy and Buildings is an international journal publishing articles with explicit links to energy use in buildings. The aim is to present new research results, and new proven practice aimed at reducing the energy needs of a building and improving indoor environment quality.
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