Diffusive, Electrostatic, and Gravitational Deposition of Suspensions in the Entrance of a Nozzle

[+] Author and Article Information
T. A. Korjack

Philadelphia Electric Company, Energy Conversion Research Section, 2301 Market Street, Philadelphia, Pa. 19113

J. Appl. Mech 50(1), 1-7 (Mar 01, 1983) (7 pages) doi:10.1115/1.3166993 History: Received January 01, 1981; Revised June 01, 1982; Online July 21, 2009


An analytical investigation of the mechanics of deposition affected by gravity, electrostatic charge, and Brownian motion in an effuser from the nozzle inlet to a distance where incompressible effects are still valid has been made and a mathematical model developed for the deposition process. The analysis was restricted to laminar flow of dilute, nonreactive suspensions contained within an incompressible, viscous carrier. The results show that increasing the nozzle angle causes a decrease in deposition rate regardless of the diffusive Peclet number and gravity flow parameter. Furthermore, an increase in gravity field causes an increase in bottom deposition rate and decrease in top deposition rate.

Copyright © 1983 by ASME
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