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RESEARCH PAPERS: Forced Convection

Conjugated Periodic Turbulent Forced Convection in a Parallel Plate Channel

[+] Author and Article Information
R. O. C. Guedes, M. N. Ozisik

Mechanical and Aerospace Engineering Department, North Carolina State University, Raleigh, NC 27695-7910

R. M. Cotta

Programa de Engenharia Mecanica, COPPE/UFRJ, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ 21945, Brazil

J. Heat Transfer 116(1), 40-46 (Feb 01, 1994) (7 pages) doi:10.1115/1.2910881 History: Received May 01, 1992; Revised May 01, 1993; Online May 23, 2008

Abstract

The transient conjugated turbulent heat transfer with axial conduction in the wall and convection boundary conditions is solved with the generalized integral transform technique for the flow of a Newtonian fluid in a parallel-plate duct subjected to periodically varying inlet temperature. A lumped model that neglects transverse temperature gradients in the solid, but takes into account the axial heat conduction along the wall, is adopted. Accurate numerical results are presented for the fluid bulk temperature, wall temperature, and wall heat flux. The effects of the conjugation parameter, fluid-to-solid heat capacitance ratio, and Biot number on the behavior of the periodic responses are investigated.

Copyright © 1994 by The American Society of Mechanical Engineers
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