Second Order Boundary-Layer Solutions for the Stagnation Flow of a Circular Cylinder

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概要

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• In case of finite Reynolds number R_e, the second order solutions of boundary-layer equation for the flow over a circular cylinder with separated wake are investigated in the vicinity of the stagnation point. The second order effects for wall shear stress T_w due to the curvature of the cylinder and the displacement of main flow are discussed by introducing the method for higher order boundary-layer solutions developed by Van Dyke. As a results, it is shown that T_w decreases proportionally to R_e^<-1/2> and the effect of curvature amounts to 75 percent of the decreasing rate. Moreover, a new accurate method for solution of first order boundary-layer equation is proposed.

• 一般社団法人日本機械学会の論文

著者

• Iida Sei-ichi

  Associate Professor Faculty Of Engineering Hokkaido University

関連論文

• Second Order Boundary-Layer Solutions for the Stagnation Flow of a Circular Cylinder
• Non-Linear Stability of a Two-Dimensional Stagnation Flow
• Stability of a Two-Dimensional Stagnation Flow

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