Effects of Particulate Diffusion on the Compressible Boundary-Layer Flow of a Two-Phase Suspension Over a Horizontal Surface

[+] Author and Article Information
Ali J. Chamkha

Department of Mechanical and Industrial Engineering, Kuwait University, P.O. Box 5969, Safat, 13060-Kuwait

J. Fluids Eng 120(1), 146-151 (Mar 01, 1998) (6 pages) doi:10.1115/1.2819639 History: Received October 05, 1995; Revised October 09, 1997; Online December 04, 2007


The problem of steady, laminar, compressible flow and heat transfer of a particulate suspension past a semi-infinite horizontal flat surface is formulated and solved numerically using an implicit finite-difference scheme. The mathematical formulation of the governing equations is based on the Eulerian description familiar from fluid mechanics where both phases are treated as two separate interacting continua. These equations account for Brownian diffusion which is important when the particle phase consists of very tiny particles and allow for a general power-law fluid-phase viscosity-temperature and particle-phase diffusion-temperature relations. Obtained flow and heat transfer results are illustrated graphically to show interesting features of this type of flow.

Copyright © 1998 by The American Society of Mechanical Engineers
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