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首页> 外文期刊>Architectural science review >External shading in buildings: comparative analysis of daylighting performance in static and kinetic operation scenarios
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External shading in buildings: comparative analysis of daylighting performance in static and kinetic operation scenarios

机译：建筑物的外部遮阳：静态和动态运行情况下采光性能的比较分析

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摘要

The paper presents a new enumerative method and tool to quantify and compare the potential contribution of kinetic and static external shading elements in buildings, in terms of dynamic measurement of daylighting. The suggested method and tool may help designers to examine the impact of various louver design and operation alternatives in the early stages of the design process. It also allows comparing the potential contribution of different dynamic louver movement scenarios to internal illuminance. This can help designers to better evaluate and compare different dynamic systems, which can be more cost effective. The method and tool are tested on a case study of an office building in a Mediterranean climate, by calculating and comparing the values of useful daylight internal illuminances in static, seasonally adjusted and dynamic louver setup scenarios in comparison to those without louvers. The results of the case study illustrate the contribution of the suggested method and tool to designing for high useful daylight levels. The case study's illuminance evaluation shows an increase of -1.82% to 7.99%, -1.4% to 11.67% and 10.86% to 33.6% in level of the adapted useful daylight illuminances in static, seasonally adjusted and dynamic external shadings scenarios correspondingly in comparison to the no external shading scenario.
机译：本文提出了一种新的枚举方法和工具，可以根据日光的动态测量来量化和比较建筑物中动态和静态外部阴影元素的潜在贡献。建议的方法和工具可以帮助设计人员在设计过程的早期阶段检查各种百叶窗设计和操作替代方案的影响。它还可以比较不同的动态百叶窗运动场景对内部照度的潜在贡献。这可以帮助设计人员更好地评估和比较不同的动态系统，从而可以更具成本效益。通过计算和比较静态，季节性调整和动态百叶窗设置场景中的可用日光内部照度值与不带百叶窗的场景中的日光内部照度值，在地中海气候下的办公楼案例研究中测试了该方法和工具。案例研究的结果说明了所建议的方法和工具对设计高可用日光水平的贡献。案例研究的照度评估显示，与静态，季节性调整和动态外部阴影场景相比，适应的有用日光照度水平分别提高了-1.82％至7.99％，-1.4％至11.67％和10.86％至33.6％。没有外部阴影场景。

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