Flows near stagnation points in non-orthogonally colliding disperse viscous flows

Abstract

Within the framework of a two-fluid dusty-gas model, a family of steady self-similar flows near a stagnation point formed by two different non-orthogonally colliding viscous incompressible streams, one of which contains solid inertial particles, is studied. The limiting case of non-orthogonal impingement of a viscous disperse medium on a rigid wall is considered separately. The possibility of the formation of multiple particle accumulation zones on the envelopes of particle trajectories and on the contact (in the limiting case, rigid) surface is demonstrated. The local structure of the particle velocity and concentration fields is studied. The threshold values of the governing parameters corresponding to qualitative flow pattern reconstruction are found.