A-333 回転円盤流の不安定に対する壁面曲率の影響

概要

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A simplified system of stability equations is proposed to investigate effects of axial flow and wall curvature on multiple instability characteristics of rotating-disk flow. This is done by superposing Rayleigh's inviscid equation for inflexion-point instabilities and two asymptotic forms of exact disturbance equations for rotationally symmetrical boundary layers, one giving a limiting case of streamline-curvature instability and the other describing Gortler instability of the axisymmetrical stagnation-point flow on a concavely curved wall.
日本流体力学会の論文
2003-07-28