Generalized diffusion theory of non-rotational, rigid spherical particle sedimentation in viscous fluid

Nguyen Hong Phan, Nguyen Van Diep


This paper is devoted to application of Generalized Diffusion Theory for solving a sedimentation problem of rigid spherical particles in viscous fluid. The governing equations have been obtained. It is shown that, in this case the governing equation system is a hyperbolic one, and the equations in the characteristic form have been derived. The mathematical properties of the obtained equation system and the solution for stationary sedimentation where investigated numerically.

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