2030 k 形粗面境界層の粗さ要素近傍に形成されるはく離せん断層の特性
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概要
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Mean flow quantities in the vicinity of a roughness element for the turbulent boundary layer over a k-type rough wall has been compared with those of the flows over a d-type rough wall and past a two-dimensional fence. The mean velocity profiles normalized with the velocity and length scales of a separated free shear flow are similar. However, turbulent quantities profiles normalized with the velocity and length scales of a separated free shear flow are not similar, and the values of the turbulent quantities in the k-type rough wall flow are larger than those of the d-type rough wall flow and the two-dimensional fence flow.
- 2000-07-31
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