Combined Forced and Free Upward-Flow Convection in the Entrance Region Between Inclined Parallel Plates

[+] Author and Article Information
E. Naito

Department of Mechanical Engineering, Shiga Prefecture Junior College, Shiga 522, Japan

Y. Nagano

Department of Mechanical Engineering, Nagoya Institute of Technology, Nagoya 466, Japan

J. Heat Transfer 111(3), 675-682 (Aug 01, 1989) (8 pages) doi:10.1115/1.3250736 History: Received November 24, 1987; Online October 20, 2009


The effects of buoyancy on upward-flow laminar convection in the entrance region between inclined parallel plates are studied by a numerical method. Solutions are given for three thermal conditions of parallel plates: lower wall heated and upper wall insulated; vice versa; and both walls heated equally. Results are presented to show how the developing upward-flow and thermal field in the entry region are affected by buoyancy in terms of the various inclination angles of parallel plates. Correlation equations applicable in practice are also developed for the skin-friction coefficient and the local Nusselt number.

Copyright © 1989 by ASME
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