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2013 | OriginalPaper | Chapter

Turbulent Boundary Layer Gas–Solid Flow Based on Two-Fluid Model

Author : Hassan Basirat Tabrizi

Published in: IAENG Transactions on Engineering Technologies

Publisher: Springer Netherlands

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Abstract

Motion of Particles in a dilute turbulent boundary layer on a flat wall was simulated numerically. Eulerian-Eulerian two-way coupled model was used. Thermophoretic force and Brownian diffusion effects were investigated on the depositions of fine particles in a turbulent boundary layer. Turbulence closure was achieved by Prandtl’s mixing length model. The set of equations was solved numerically by using finite difference method. Introduced particle diffusion term played a significant role in numerical convergence. The proposed two-fluid approach for evaluating the effect of different forces on small particle deposition from a turbulent flow over a flat plate produced similar finding compared to Lagrangian method and computationally less expensive.

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Metadata
Title
Turbulent Boundary Layer Gas–Solid Flow Based on Two-Fluid Model
Author
Hassan Basirat Tabrizi
Copyright Year
2013
Publisher
Springer Netherlands
DOI
https://doi.org/10.1007/978-94-007-6190-2_12