2019•DEStech Transactions on Environment Energy and Earth ScienceRequires access
Numerical Simulation Analysis of Wind Interference Effects on Low-rise Gable Roof Buildings
Yimin Dai, Yangjin Yuan, Shu JIANG, Chi‐Yu Li, Kui Guo
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Abstract
A RNG k-e model,the Reynolds Averaged Navier-Stokes Equations (RANS) turbulence model, was added in software Fluent 6.3 to simulate the wind tunnel model of Tokyo Polytechnic University and the simulating results were compared to the wind tunnel test data. Then a detailed parametric study is performed for average pressure coefficient of two low-rise gable roof buildings in the same shape which only change the angle of the downstream building. The results show that the mean wind pressure coefficient of upstream building is hardly affected by the angle changing of the downstream building when the distance between buildings is larger than twice of building’s width, while the downstream building is affected relatively large especially at the corner area of ridge at small angles.