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RESEARCH PAPERS

Three-Dimensional Boundary Layers on Cones at Small Angles of Attack

[+] Author and Article Information
O. Pinkus, S. B. Cousin

Fairchild Hiller Corp., Republic Aviation Division, Farmingdale, L. I., N. Y.

J. Appl. Mech 35(4), 634-640 (Dec 01, 1968) (7 pages) doi:10.1115/1.3601285 History: Received May 16, 1968; Revised July 15, 1968; Online September 14, 2011

Abstract

Based on an expression given by Cooke, an equation is derived for a three-dimensional “equivalent radius” for cones at a small angle of attack. This function when used in any of the available axisymmetric boundary-layer equations yields corresponding solutions for yawed cones. Expressions for the streamlines along which the above equations are to be integrated are also derived. The method yields a line of possible incipient separation or wake formation in addition to the boundary-layer properties in both the longitudinal and circumferential direction. Numerical solutions including heat transfer effects are presented for a wind tunnel model and compared with experimental results.

Copyright © 1968 by ASME
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