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۱Study of Skin Friction in Channels by Lattice Boltzmann Method
نویسنده(ها): ،
اطلاعات انتشار: International Journal of Advanced Design and Manufacturing Technology، ششم،شماره۳(پياپي ۲۴)، Sep ۲۰۱۳، سال
تعداد صفحات: ۸
A finite volume–lattice Boltzmann algorithm is applied to study skin friction behaviour in different channel flows. For this purpose, cell centred scheme is adapted to discretize the Boltzmann equation and consistent boundary conditions are also addressed, which resulted in a wider domain of stability. A simulation of flow in a two dimensional channels with different geometries are carried out. The results are compared with the valid previous results in which favourable agreement was observed. The results showed that skin friction in plane Poiseuille flow converged to 24\Re, but skin friction distribution in suddenly enlarged channels regain symmetry after some distance downstream of the expansion plane.
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