鈍頭平板まわりのはく離と再付着を伴う流れおよび熱伝達の数値解析

概要

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A numerical analysis of Navier-Stokes equations with the finite difference method was conducted on a two-dimensional unsteady separated and reattached flow over a blunt flat plate, and the heat transfer characteristics therein were also analyzed. Reynolds and Prandtl numbers treated in the paper are 1000 and 0.7, respectively. It is clarified from the numerical results that at Re=1000, separated shear layer becomes unstable, as it accompanies the formation of spanwise vortices. These vortices coalesce and grow along the separated shear layer. Subsequently, the large-scale vortices are shed almost periodically from the reattached flow region, and they exhibit great effects upon the heat transfer in the separated and reattached flow regions.
一般社団法人日本機械学会の論文
1995-06-25