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Influence of Gas Phase Turbulence on the Transport of Particles

by Jennifer L. Sinclair, Carnegie Mellon Univ, Pittsburgh, United States,



Document Type: Proceeding Paper

Part of: Engineering Mechanics

Abstract:

An interesting and perhaps unexpected flow feature characterizing the transport of a gas-solid suspension in a vertical duct is the radial nonuniformity of particles over the tube cross-section. This segregation of particles often results in a downflow of solids along the tube walls even in the case of a net cocurrent upflow of gas and solids. In this paper the kinetic theory of dense gases is extended in the case of dilute particle flow to account for velocity fluctuations in the gas phase.

Subject Headings: Gas flow | Fluid flow | Solids flow | Particles | Particle velocity | Particle size distribution | Turbulence

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