急加速される同軸二重回転円筒容器内の流れに関する実験的研究 : LDVによる円周方向および半径方向速度分布測定(流体工学,流体機械)

概要

論文の詳細を見る
An experimental study is performed to disclose the unsteady flow inside a rotating drum induced by an impulsive start of motion. Laser Doppler velocimeter (LDV) is employed to determine the distribution of both the angular and radial velocity components in the flow field on the meridional plane in the rotating drum. The laser light sheet method is also engaged to enable visualization of flow patterns. Fluid viscosity, drum size and rotational speed are varied to determine their effects on the flow. From these results, the time history of the distribution of both the angular and radial velocity are disclosed. The time history of Ekman boundary layer thickness are also determined from radial velocity distribution.
社団法人日本機械学会の論文
2003-07-25