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The Prediction of Indoor Air Motion for Occupant Cooling in Naturally Ventilated Buildings 自然通风建筑中室内空气运动对乘员冷却的预测
描述了一种用于预测自然通风建筑中风致室内空气运动的经验模型的开发,该模型用于评估热舒适性。该模型基于从边界层风洞的建筑模型中收集的大量实验压力和速度数据得出的关联式。这项研究的目的是在密封模型上检查并正式确定室内空气运动参数(速度和湍流强度)与外部表面压力分布之间的关系,目前已有数据库和相关性。 根据近300次试验,说明了这些关联式预测室内空气运动的准确度很高,它是风向、窗户尺寸和密封模型上测量的外部压力分布的函数。关键词:计算,气流,建筑,通风,自然通风,热舒适,风洞。引文:研讨会,ASHRAE交易,第97卷,Pt。1991年,纽约
Describes the development of an empirical model for the prediction of wind-induced indoor air motion in naturally ventilated buildings, as needed for the assessment of thermal comfort. The model is based on correlations developed from a large set of experimental pressure and velocity data collected from architectural models in a boundary layer wind tunnel. The goal of the study was to examine and formalise the relation between indoor air motion parameters (velocities and turbulence intensities) and the external surface pressure distribution on sealed models for which data bases and correlations are now available. States the correlations, based on nearly 300 tests, predict indoor air motion with a good level of accuracy, as a function of wind direction, window size and the external pressure distribution measured on sealed models.KEYWORDS: Calculating, air flow, buildings, ventilation, natural ventilation, thermal comfort, wind tunnels.
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