D-21 領域分割法を用いた数値シミュレーションによる通風室内気流予測に関する研究 : (第1報)領域分割法の精度検証

概要

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Utilization of cross-ventilation is an important issue to reduce energy consumption in summer season. Prediction of indoor airflow is indispensable for evaluating thermal sensation of the occupants. This paper proposes domain decomposition technique which separates internal CFD calculation of cross-ventilated flow from external flow of buildings. This technique not only improves efficiency of analysis but also enables optimization of opening positions without taking external flow field into account. The accuracy of this technique has been evaluated by comparing predicted and observed flow rates and velocity vectors, and it was clarified that the technique is sufficient accuracy.
社団法人空気調和・衛生工学会の論文
2009-08-18