Investigation of a Method for the General Analysis of Time Dependent Two-Dimensional Laminar Boundary Layers

[+] Author and Article Information
S. J. Koob, D. E. Abbott

Purdue University, Lafayette, Ind.

J. Basic Eng 90(4), 563-570 (Dec 01, 1968) (8 pages) doi:10.1115/1.3605193 History: Received January 25, 1968; Online November 03, 2011


A method is given for the analysis of time dependent two-dimensional incompressible laminar boundary layers. The technique is a combination of the method of weighted residuals and the method of lines, and reduces the boundary-layer equations to an Nth order approximation in terms of a system of ordinary differential equations. The method is demonstrated by solving the transient flow over a semi-infinite flat plate and the results are compared with known asymptotic solutions. For a third approximation, the steady-state skin friction coefficient given by the present method agrees with the Blasius solution within 0.1 percent.

Copyright © 1968 by ASME
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