吸込み吹出しを伴う垂直平板に沿う複合対流境界層の安定性

概要

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theoretical analysis is presented for the problem of laminar forced-free mixed convection boundary layer flow along a vertical porous flat plate. The nonsimilar boundary layer equations for the basic steady flow have been solved numerically using a difference-differential scheme in combination with an iterative method for solving the resulting ordinary differential equations. The temporal neutral stability theory for wavelike disturbances of Tollmien-Schlichting type are then presented. The corresponding eigenvalue problem for the disturbance amplitude function is also solved numerically. The neutral stability curves and the disturbance amplitude of the velocity component and of the temperature are presented graphically for values of the buoyancy parameter, ζ, and the suction or injection parameter, X. The results indicate the important role of suction/injection parameter on basic and disturbance flow characteristics.
一関工業高等専門学校の論文
2005-12-20