Numerical Simulation of Fluid-Particle Flows: Geothermal Drilling Applications

[+] Author and Article Information
R. C. Givler

Fluid Mechanics and Heat Transfer Division 1511, Sandia National Laboratories, Albuquerque, NM

R. R. Mikatarian

The BDM Corporation, Albuquerque, NM

J. Fluids Eng 109(3), 324-331 (Sep 01, 1987) (8 pages) doi:10.1115/1.3242668 History: Received June 05, 1986; Revised March 25, 1987; Online October 26, 2009


In order to understand how a particulate plug may evolve within the flow of an essentially homogeneous suspension, we have developed a fluid-particle flow model. This theoretical model is based upon a monodisperse collection of rigid, spherical particles suspended in an incompressible, Newtonian liquid. Balance equations of mass and momentum are given for each phase within the context of a continuum mixture theory. The interactions between the phases are dominated by interfacial drag forces and unequilibrated pressure forces. The pressure associated with the solid particles is given by a phenomenological model based upon the flow dynamics. Of primary concern is the calculation of solid particle concentrations within a flow field to indicate the initiation of a particulate plug.

Copyright © 1987 by ASME
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