地面に近接して回転する円筒まわりの流れ : 弟3報, 地面境界層がない場合の実験と渦法による数値シミュレーション

概要

論文の詳細を見る
The flow around a rotating circular cylinder placed at various heights above a moving plate that is used to remove the boundary layer on the plate has been investigated experimentally and numerically for the high Reynolds number (Re=7×10^4). The minimum clearance where the vortex shedding from the rotating cylinder is disappeared was found and it was not affected by peripheral velocity. Furthermore, the switching phenomenon of the flow around the rotating cylinder that had been observed in 2nd report was disappeared by removing the turbulent boundary layer on the plate. The calculated results for lift and drag coefficients, Strouhal number were compared with experiments. It was found from the calculated results as well as the experimented one that the presence of the plate had strong effects on the flow around the rotating cylinder.
社団法人日本機械学会の論文
1999-02-25