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首页> 外文期刊>Architectural science review >The development of visible sky area as an alternative daylight assessment method for high-rise buildings in high-density urban environments
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The development of visible sky area as an alternative daylight assessment method for high-rise buildings in high-density urban environments

机译：在高密度城市环境中开发可见天空区域作为高层建筑的替代日光评估方法

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摘要

This research aims to develop a new daylight assessment method for high-rise residential buildings located in high-density urban environments. The new visible sky area (VSA) method was developed based on data gathered from an extensive survey of high-rise residential building plans and layouts in Hong Kong and followed by a large number of daylight simulation experiments. The results of simulations showed a very small daylight quantity arriving at windowpane of lower floor level of high-rise residential buildings due to high-obstruction from nearby buildings and also self-obstruction. The new method would guarantee the availability of sky area seen from windowpane in order to provide a good vertical daylight factor (VDF), which has been adopted as a performance-based daylight indicator in Hong Kong. A minimum VSA of 12% and 6% for habitable rooms and kitchens, respectively, is proposed for this situation.
机译：这项研究旨在为位于高密度城市环境中的高层住宅开发一种新的日光评估方法。新的可见天空区域（VSA）方法是根据对香港高层住宅建筑计划和布局进行的广泛调查收集的数据，然后进行大量日光模拟实验而开发的。模拟结果表明，由于附近建筑物的强烈障碍物以及自发障碍物，很少的日光量到达高层住宅建筑物较低楼层的窗玻璃。新方法将保证从窗玻璃看到的天空区域的可用性，以提供良好的垂直日光因子（VDF），该因子已在香港用作基于性能的日光指示器。针对这种情况，建议将可居住的房间和厨房的最小VSA分别设置为12％和6％。

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