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RESEARCH PAPERS

A Surface Rejuvenation Model for Turbulent Heat Transfer in Annular Flow With High Prandtl Numbers

[+] Author and Article Information
B. T. F. Chung, L. C. Thomas, Y. Pang

Department of Mechanical Engineering, The University of Akron, Akron, Ohio

J. Heat Transfer 100(1), 92-97 (Feb 01, 1978) (6 pages) doi:10.1115/1.3450509 History: Received July 19, 1977; Online August 11, 2010

Abstract

Heat transfer for high Prandtl number fluids flowing turbulently in a concentric circular tube annulus with prescribed wall heat flux is investigated analytically. This surface rejuvenation based analysis is restricted to thermally and hydrodynamically fully developed flow with constant properties and negligible viscous dissipation. This formulation leads to predictions for the Nusselt Number that are in basic agreement with predictions obtained on the basis of earlier eddy diffusivity models for 30 ≤ Pr ≤ 1000 and 104 ≤ Re ≤ 106 .

Copyright © 1978 by ASME
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