Laminar Swirling Flow in a Tube With Surface Mass Transfer

[+] Author and Article Information
R. B. Kinney

Department of Aerospace and Mechanical Engineering, University of Arizona, Tucson, Ariz.

E. M. Sparrow

Department of Mechanical Engineering, University of Minnesota, Minneapolis, Minn.

J. Appl. Mech 37(4), 936-944 (Dec 01, 1970) (9 pages) doi:10.1115/1.3408721 History: Received November 24, 1969; Revised April 25, 1970; Online July 12, 2010


The decay of swirl and the associated axial and radial velocity perturbations are analyzed for laminar tube flow with surface mass transfer. The initial swirl distribution is that corresponding to a fully developed flow characterized by injection or withdrawal of fluid having both circumferential and radial components of velocity. Consideration is also given to swirling flows in impermeable tubes, and new results are obtained by specializing the general solution for the case of surface mass transfer. Numerical results are presented for a range of values of the mass transfer Reynolds number. Among the findings, it is observed that at the higher rates of fluid injection, the decay of the swirl requires a much longer length of run than does the decay of the axial and radial velocity perturbations.

Copyright © 1970 by ASME
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