A Fast Approximate Solution of the Laminar Boundary-Layer Equations

[+] Author and Article Information
Sei-ichi Iida, Akira Fujimoto

Hokkaido University, Department of Mechanical Engineering, N13, W8, Sapporo, 060, Japan

J. Fluids Eng 108(2), 200-207 (Jun 01, 1986) (8 pages) doi:10.1115/1.3242563 History: Received January 23, 1985; Online October 26, 2009


A new approximate method of calculating steady laminar boundary-layers is presented. This method is based on the mutual relationships between boundary-layer characteristic quantities. The governing equations are efficiently solved without assuming a specific velocity profile. Moreover, a method of estimating the velocity profile using the characteristic quantities is also proposed. Comparison of the results obtained for a wide variety of applications to boundary-layer flows with separations with exact solutions indicates that the present method enables one to obtain solutions with sufficient accuracy and shorter computational time when compared with existing computational techniques.

Copyright © 1986 by ASME
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