Transactions of the Korean Society of Mechanical Engineers B (대한기계학회논문집B)

The Korean Society of Mechanical Engineers (대한기계학회)
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Behavior of a Heavy Particle in the Shear Flow Near a Flat Wall

벽 근처 전단 유동 내의 입자의 운동

  • 정재달 (연세대학교 기계공학과) ;
  • 조성기 (연세대학교 기계공학과) ;
  • 이창훈 (연세대학교 기계공학과)
  • Published : 2006.08.01
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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.

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References

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