A Numerical Solution for Gas-Particle Flows at High Reynolds Numbers

[+] Author and Article Information
J. A. Laitone

Department of Mechanical Engineering and Applied Mechanics, The University of Michigan, Ann Arbor, Mich. 48109

J. Appl. Mech 48(3), 465-471 (Sep 01, 1981) (7 pages) doi:10.1115/1.3157658 History: Received May 01, 1980; Revised February 01, 1981; Online July 21, 2009


Predicting the fluid mechanical characteristics of a gas-solid two-phase flow is critical for the successful design and operation of coal gasification systems, coal fired turbines, rocket nozzles, and other energy conversion systems. This work presents a general grid-free numerical solution which extends a numerical solution of the Navier-Stokes equations developed by Chorin to a solution suitable for unsteady or steady dilute gas-solid particle flows. The method is applicable to open or closed domains of arbitrary geometry. The capability of the method is illustrated by analyzing the flow of gas and particles about a cylinder. Good agreement is found between the numerical method and experiment.

Copyright © 1981 by ASME
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