Correlated Compressible and Incompressible Channel Flows

[+] Author and Article Information
C. Crnojević

Laboratoire de Mécanique des Fluides, Université de Valenciennes, Valenciennes, France

V. D. Djordjević

University of Belgrade, 27. Marta 80, 11000 Belgrade, Serbia

J. Fluids Eng 119(4), 911-915 (Dec 01, 1997) (5 pages) doi:10.1115/1.2819516 History: Received October 02, 1996; Revised April 14, 1997; Online January 22, 2008


Compressible flow in channels of slowly varying cross section at moderately high Reynolds numbers is treated in the paper by employing some Stewartson-type transformations that convert the problem into an incompressible one. Both adiabatic flow and isothermal flow are considered, and a Poiseuille-type incompressible solution is mapped onto compressible plane in order to generate some exact solutions of the compressible governing equations. The results show striking effects that viscosity may have upon the flow characteristics in this case, in comparison with more conventional high Reynolds number flows.

Copyright © 1997 by The American Society of Mechanical Engineers
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