Thermophoretic Deposition of Particles in Natural Convection Flow From a Vertical Plate

[+] Author and Article Information
M. Epstein, G. M. Hauser, R. E. Henry

Fauske & Associates, Inc., Burr Ridge, Ill. 60521

J. Heat Transfer 107(2), 272-276 (May 01, 1985) (5 pages) doi:10.1115/1.3247410 History: Received December 08, 1983; Online October 20, 2009


An analysis is made for thermophoretic transport of small particles through a free-convection boundary layer adjacent to a cold, vertical deposition surface. The gas-particle, boundary layer equations are solved numerically for both laminar and turbulent flow. The numerical results indicate that, for a fixed set of boundary conditions and physical properties, the particle concentration at the wall in the laminar flow is very close to that in turbulent flow. A simple expression is suggested relating the particle transport rate to the heat transfer coefficient for the laminar and turbulent flow regimes.

Copyright © 1985 by ASME
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