Issue |
ESAIM: Proc.
Volume 7, 1999
Third International Workshop on Vortex Flows and Related Numerical Methods
|
|
---|---|---|
Page(s) | 429 - 439 | |
DOI | https://doi.org/10.1051/proc:1999040 | |
Published online | 15 August 2002 |
Numerical simulations of two-way coupled particle laden mixing layers
1
Institute of Flight Mechanics and Flight Control University of Stuttgart Pfaffenwaldring 7a, 70550 Stuttgart, Germany
2
Department of Aerospace and Mechanical Engineering University of Southern California Los Angeles, CA 90089-1191, USA
Navier-Stokes simulations are presented for two-way coupled, particle laden, two-dimensional mixing layers in the dilute regime. In contrast to previous numerical approaches for two-way coupled two-phase flows, the simulations are based on the vorticity, streamfunction formulation of the governing equations. While the fluid phase is treated in an Eulerian way, the particles are tracked in a Lagrangian fashion. The numerical approach is validated against simple test problems. Furthermore, the production/destruction of vorticity is shown to be related to the misalignment of the concentration gradient and the slip velocity, as well as to the difference in fluid and particle vorticities.
© EDP Sciences, ESAIM, 1999
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