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Effect of Particulate Diffusion on the Free Turbulent Flow Based on Two-Fluid

[+] Author Affiliations
R. Fesanghari, H. Basirat Tabrizi

Amirkabir University of Technology, Tehran, Iran

F. Hamdullahpur

Carleton University, Ottawa, ON, Canada

Paper No. FEDSM2005-77011, pp. 495-500; 6 pages
doi:10.1115/FEDSM2005-77011
From:
  • ASME 2005 Fluids Engineering Division Summer Meeting
  • Volume 1: Symposia, Parts A and B
  • Houston, Texas, USA, June 19–23, 2005
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 0-7918-4198-7 | eISBN: 0-7918-3760-2
  • Copyright © 2005 by ASME

abstract

This paper is concerned with the two-dimensional gas-solid turbulent plane-mixing layer. The solid phase is considered a continuum and a two-fluid model, which is coupled by source terms due to particle drag and diffusion. Finite volume scheme has been employed for the governing equations. The simulation results show that the ratio of particle diffusion coefficient and kinematics viscosity of the carrier gas, have significant influence on the prediction of particles trend. In addition, it is observed that the loading ratio has no significant effect on the gas-solid flow prediction. The results are compared with the existed experimental data’s of others. This kind of modeling will ease the time consuming, stochastic approach of the Eulearian-Lagrangian methods but needs further investigation on the particle diffusivity term.

Copyright © 2005 by ASME

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