I-50 市街地に建つ戸建住宅の通風気流による冷涼感予測に関する研究

概要

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Utilization of cross-ventilation is an important issue for reduction of energy use in residential buildings in hot and humid seasons. Prediction of indoor airflow structures of cross-ventilated rooms is essential for evaluating thermal sensation of the occupants. This paper describes a CFD procedure to estimate pressure distribution around a residential building in urban area, then cross-ventilated indoor airflow is reproduced by applying domain decomposition method of cross-ventilation. Micro environment around human body is estimated by putting numerical thermal mannequin in the room. It was confirmed that CFD prediction results were in good agreement with corresponding experimental observations. Cooling effect due to breezing airflow was quantitatively well reproduced by the CFD technique.
社団法人空気調和・衛生工学会の論文
2010-08-12