Unsteady motion of two solid spheres in Stokes flow

  title={Unsteady motion of two solid spheres in Stokes flow},
  author={Arezoo Motavalizadeh Ardekani and Roger H. Rangel},
This study is concerned with the unsteady motion of two solid spherical particles in an unbounded incompressible Newtonian flow. The background flow is uniform and can be time dependent. In addition, the particle Reynolds numbers 2aVa / and 2bVb / , based on characteristic particles velocities Va and Vb, are assumed to remain small throughout the motion. Here, a and b denote the particle radii and is the kinematic viscosity of the fluid. Two approximate methods are employed in order to… CONTINUE READING


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