Numerical Study of Two-Phase Granular Flow for Process Equipment

[+] Author and Article Information
R. Djebbar, S. B. Beale, M. Sayed

National Research Council, Montreal Road, Ottawa, Ontario K1A 0R6, Canada

J. Pressure Vessel Technol 122(4), 462-468 (Feb 01, 2000) (7 pages) doi:10.1115/1.1310366 History: Received October 01, 1999; Revised February 01, 2000
Copyright © 2000 by ASME
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Schematic of the reactor vessel used in the study
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Velocity vectors for frictional granular flow, D/H=2:12,ϕ=20  deg
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Fully developed velocity profiles for frictionless and frictional granular flow in a channel
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Effect of aspect ratio on pressure, P (Pa), for incompressible single-phase flow, ϕ=ϕw=30  deg
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Pressure, P (Pa), as a function of depth D/H=2:12. Various angles of internal friction, ϕ (deg).
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Velocity vectors, viscous/viscous compressible two-phase flow
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Solid pressure, P (Pa) contours—(a) viscous fluid formulation; (b) from Härkönen 1, with permission; (c) Mohr/Coulomb formulation
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Solid-phase pressure, P (Pa), for viscous and Mohr-Coulomb formulations
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Effect of angle of internal friction, ϕ (deg), on the solid pressure, P (Pa)



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