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Supersonic separated turbulent boundary - layer over a wavy wallA prediction method is developed for calculating distributions of surface heating rates, pressure and skin friction over a wavy wall in a two-dimensional supersonic flow. Of particular interest is the flow of thick turbulent boundary layers. The surface geometry and the flow conditions considered are such that there exists a strong interaction between the viscous and inviscid flow. First, using the interacting turbulent boundary layer equations, the problem is formulated in physical coordinates and then a reformulation of the governing equations in terms of Levy-Lees variables is given. Next, a numerical scheme for solving interacting boundary layer equations is adapted. A number of modifications which led to the improvement of the numerical algorithm are discussed. Finally, results are presented for flow over a train of up to six waves at various flow conditions.
Document ID
19780004072
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Polak, A.
(Cincinnati Univ. OH, United States)
Werle, M. J.
(Cincinnati Univ. OH, United States)
Date Acquired
September 3, 2013
Publication Date
November 1, 1977
Subject Category
Aerodynamics
Report/Patent Number
NASA-CR-155329
AFL-77-11-36
Report Number: NASA-CR-155329
Report Number: AFL-77-11-36
Accession Number
78N12015
Funding Number(s)
CONTRACT_GRANT: NSG-1208
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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