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Thermal resilient buildings: How to be quantified? A novel benchmarking framework and labelling metric

机译:热弹性建筑物:如何量化? 一种新颖的基准框架和标签度量

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The resilient building design has become necessary within the increasing frequency and intensity of extreme disruptive events associated with climate change. Since thermal comfort is one of the main requirements of occupants, evaluating building resilience from a thermal perspective during and after disruptive events is necessary. Most of the existing thermal resilience metrics focus on thermal performance only during disruptive events. Building designers are still seeking metrics that can capture thermal resilience in both phases (i.e. during and after the disruptive events). This paper introduces a novel benchmarking framework and a multiphase metric for thermal resilience quantification. The metric evaluates thermal resilience concerning building characteristics (i.e. building envelope and systems) and occupancy. It penalises for thermal performance deviations from the targets based on the phase, the hazard level , and the exposure time of the event. The introduced methodology is validated by quantifying the thermal resilient performance of six building designs against a four-day power failure as a disruptive event. The six designs represent minimum and passive building requirements with and without batteries or photovoltaics as resilience enhancement strategies. For the considered case study, upgrading the building from the minimum to the passive design has a huge impact (71%) on resilience improvement against power failure in winter. The application of the battery and PVs can improve the thermal resilience of the two designs in the range of 19%-27% and 44%-60%, respectively. Findings can provide a useful reference for building designers to benchmark the building's thermal resilience and constitute resilience enhancement measures.
机译:在与气候变化相关的极端破坏性事件的频率和强度增加,弹性建筑设计已经成为必要的。由于热舒适性是乘员的主要要求之一,因此需要在颠覆事件期间和之后从热视角评估建筑物恢复性。大多数现有的热弹性测量标准专注于在中断事件中的热性能。建筑设计师仍在寻求可以在两个阶段捕获热弹性的度量(即,在破坏性事件期间和之后)。本文介绍了一种新颖的基准框架和热弹性量化的多相度量。该度量评估关于建筑物特征的热弹性(即建筑物包络和系统)和占用。它根据阶段,危险水平和事件的曝光时间来惩罚与目标的热性能偏差。通过量化六个建筑设计的热弹性性能,以防止为期四天的电源故障作为破坏性事件来验证引入的方法。六种设计代表了最小和无源建筑要求,无需电池或光伏作为可弹性增强策略。对于被审议的案例研究,将建筑物从最低限度升级到被动设计具有巨大影响(71%)冬季电源故障的恢复力提升。电池和PVS的应用可以改善两种设计的热弹性,分别为19%-27%和44%-60%。调查结果可以为建筑设计师提供有用的参考,以基准建筑物的热弹性,构成弹性增强措施。

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