Conjugated Heat Transfer in a Laminar Boundary Layer With Heat Source at the Wall

[+] Author and Article Information
A. Brosh

Department of Aeronautical Engineering, Technion-Israel Institute of Technology, Haifa, Israel

D. Degani

Department of Mechanical Engineering, Technion-Israel Institute of Technology, Haifa, Israel

S. Zalmanovich

School of Engineering, Tel-Aviv University, Tel-Aviv, Ramat-Aviv, Israel

J. Heat Transfer 104(1), 90-95 (Feb 01, 1982) (6 pages) doi:10.1115/1.3245074 History: Received March 18, 1981; Online October 20, 2009


This work presents the solution of the temperature field in a two-dimensional laminar incompressible flow over a conducting solid plate with a line heat source located at the fluid-solid interface perpendicular to the flow direction. A numerical scheme was used to obtain the temperature profiles as a function of the source strength, and of the properties of the fluid and the solid. The heat conduction and forced convection in the fluid and the heat conduction in the solid were solved for the case of moderate temperature rise, where the assumption of constant properties applies. The model enables the improvement of an instrument for the detection of boundary layer separation. It was found that for the actual parameters of the separation detector, a distance of 4 to 24 mm between the sensors gives an indication of 70 percent of the maximum temperature difference.

Copyright © 1982 by ASME
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