Thermal Boundary Conditions and Some Solutions for Laminar Duct Flow Forced Convection

[+] Author and Article Information
R. K. Shah

Harrison Radiator Division, General Motors Corp., Lockport, N. Y.

A. L. London

Department of Mechanical Engineering, Stanford University, Stanford, Calif.

J. Heat Transfer 96(2), 159-165 (May 01, 1974) (7 pages) doi:10.1115/1.3450158 History: Received April 25, 1973; Online August 11, 2010


The importance of laminar flow forced convection theoretical solutions for the design of compact heat exchangers has been well realized. Many of these theoretical solutions published in the literature are difficult to interpret by a designer, because thermal boundary conditions used in the analysis are generally not defined clearly and consistently. The objective of this paper is to clarify this situation by a systemized presentation. Starting with a general classification, nine specific thermal boundary conditions are categorized for singly connected ducts. At the end, the most useful fully developed laminar flow solutions for some important duct geometries are summarized for the designer.

Copyright © 1974 by ASME
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