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http://dx.doi.org/10.3795/KSME-B.2006.30.8.806

Behavior of a Heavy Particle in the Shear Flow Near a Flat Wall  

Jeong Jae-Dal (연세대학교 기계공학과)
Cho Seong-Gee (연세대학교 기계공학과)
Lee Chang-Hoon (연세대학교 기계공학과)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.30, no.8, 2006 , pp. 806-817 More about this Journal
Abstract
The motion of a small rigid particle in the shear flow near a stationary flat wall is investigated in the context of Stokes flow. The lift force proposed by Saffman and later modified by Mclaughlin and Mei is considered in the prediction of the particle motion far away from the wall. Later, the expression of the lift force is modified to take into account the effect of wall. In the analysis, gravity, lift and drag acting on a small rigid particle near the wall are taken into account. Both analytical and numerical results for the terminal velocities, distances from the wall and trajectories of the particle are presented. In addition, we extended the present analysis to turbulent near-wall flow in the vicinity of the wall.
Keywords
Saffman Lift Force; Wall Effect; Shear Flow;
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