Application of Viscous Analyses to the Design of Jet Exhaust Powered Lift Installations

[+] Author and Article Information
E. Tjonneland, S. F. Birch

Boeing Military Airplane Development, Seattle, Wash.

J. Eng. Power 102(3), 626-631 (Jul 01, 1980) (6 pages) doi:10.1115/1.3230313 History: Received May 07, 1979; Online September 28, 2009


The application of available numerical methods to the design of powered lift installations is reviewed. For this application, where strong coupling exists between the jet exhaust and the external flow, a three-dimensional viscous analysis tool is needed. The task of selecting a suitable analysis procedure is first outlined, with particular emphasis on the need for careful coordination of the various elements of the task. Problems and progress in the development of turbulence models are then discussed, and some selected three-dimensional calculations are presented to illustrate recent progress. Finally, a numerical procedure, currently under development for a particular powered lift application, is briefly described.

Copyright © 1980 by ASME
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