Time-Dependent Laminar Flow in Curved Channels

[+] Author and Article Information
R. J. Nunge

Department of Chemical Engineering, Clarkson College of Technology, Potsdam, N. Y.

J. Appl. Mech 37(3), 838-843 (Sep 01, 1970) (6 pages) doi:10.1115/1.3408617 History: Received July 20, 1969; Revised January 19, 1970; Online July 12, 2010


The velocity distribution for time-dependent laminar flow in curved channels is derived. The analysis applies to flows with pressure gradients which are arbitrary functions of time. Numerical results are obtained for developing flow due to a constant pressure gradient. Developing flow in a straight channel is also discussed and it is found that the curvature ratio has only a small effect on the time required to reach the fully developed state.

Copyright © 1970 by ASME
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