Steady and oscillatory flows in a furrowed channel with arc-shaped walls.
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概要
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Flow patterns in a symmetrical two-dimensional wavy-walled channel were investigated by flow visualizations at low Reynolds numbers : 10-300. In the case of steady flow, we discovered a new flow structure consisting of a regular three-dimensional flow as the Reynolds number exceeds 27.5. In the case of oscillatory flow, the Reynolds number for transition from two-dimensional flow to three-dimensional flow increases with the Strouhal number.
- 社団法人 日本流体力学会の論文