5042 流下液膜表面波の運動およびエネルギーの数値解析(J09-2 熱流体輸送および反応流の実験的及び数値的解析(2),J09 熱流体輸送および反応流の実験的及び数値的解析)

概要

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Two-dimensional numerical simulations have been carried out in order to investigate wave dynamics and kinetic and surface energies of wavy falling liquid films. Governing equations, which are continuity equation, Navier-Stokes equation, and equations of interfacial boundary conditions including surface movement and effect of surface tension, have been solved directly by means of a numerical scheme based on the finite difference method. In most cases, periodic disturbances superimposed at inflow boundary grow to developed waves which retain the given periodic behavior. In some cases, however, random wave appear after the developed waves. Variations of kinetic and surface energies of the periodically developed waves and the random waves have been discussed.
一般社団法人日本機械学会の論文
2006-09-15