A Three-Dimensional Hypersonic Viscous Interaction

[+] Author and Article Information
F. X. Hurley

McDonnell Douglas Research Laboratories, McDonnell Douglas Corporation, St. Louis, Mo.

J. Appl. Mech 37(2), 467-474 (Jun 01, 1970) (8 pages) doi:10.1115/1.3408529 History: Received December 26, 1968; Revised December 23, 1969; Online April 06, 2010


The displacement-interacting boundary layer in the symmetry plane region of a flat hypersonic delta wing is studied through a method of control volume balances for mass, momentum, and energy. Free-parameter-bearing expressions for the velocity components, density, and boundary-layer thickness are postulated and substituted into the integral balance equations. The resulting algebraic system for the free parameters is a very complicated one, but solutions are readily extracted by means of iterative machine computations. Answers for the assumed set of flight conditions indicate that the inboard drift of boundary-layer fluid from both sides gives rise to a center-plane region which is three-dimensional in character and which exhibits increased boundary-layer thickness, elevated pressures, and reduced skin-friction and heat-transfer coefficients.

Copyright © 1970 by ASME
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