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首页> 外文会议>ISES solar world congress on solar energy for a sustainable future;ISES 2003 >NOCTURNAL CONVECTION AS A STRATEGY FOR PASSIVE COOLING OF BUILDINGS IN HOT DRY AND COMPOSITE CLIMATES OF INDIA
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NOCTURNAL CONVECTION AS A STRATEGY FOR PASSIVE COOLING OF BUILDINGS IN HOT DRY AND COMPOSITE CLIMATES OF INDIA

机译：夜间对流作为印度干热和复合气候建筑被动冷却的一种策略

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When a building is ventilated with cool ambient nighttime air, its indoor air and structural mass are cooled by convection, bypassing the thermal resistance of the building envelope. During daytime this cooled mass can serve as a heat sink for the heat penetrating through the fabric and generated inside. This paper deals with the analysis of climatic data and the results of an experiment for evaluating the efficacy of nocturnal convection in creating thermal comfort conditions indoors, particularly in the hot dry and composite climates during summer season in India. Analysis of main climatic factors affecting the performance of nocturnal convective cooling, e.g., maximum, minimum and diurnal range of temperatures as also wind speed and direction for two cities of India situated in the hot dry and composite zones, respectively, are given. Different building construction materials and methods prevalent in these regions are also examined from the point of view of storage of nocturnal coolth in the structural mass taking into account their thermophysical properties etc. The results of an experimental study carried out recently using free and forced night ventilation are also discussed briefly.
机译：当建筑物使用凉爽的夜间夜间空气通风时，其室内空气和结构体将通过对流进行冷却，从而绕过建筑物围护结构的热阻。在白天，这种冷却的物质可以充当散热器的热量，以使热量穿透织物并在内部产生。本文讨论了气候数据的分析和评估夜间对流在室内创造热舒适条件的功效的实验结果，特别是在印度夏季的炎热干燥和复合气候中。给出了影响夜间对流冷却性能的主要气候因素的分析，例如分别位于干热地区和复合地区的印度两个城市的最大，最小和昼夜温度范围以及风速和风向。从夜间的凉爽性在结构体中的存储角度考虑了它们的热物理特性等，还研究了这些区域中流行的各种建筑材料和方法。最近使用自由和强制夜间通风进行的实验研究结果还将简要讨论。

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