Simulation and optimization of heated, inviscid flows in scramjet ducts

Jacobs, P. A. and Craddock, C. (1999) Simulation and optimization of heated, inviscid flows in scramjet ducts. Journal of Propulsion And Power, 15 1: 73-81. doi:10.2514/2.5393


Author Jacobs, P. A.
Craddock, C.
Title Simulation and optimization of heated, inviscid flows in scramjet ducts
Journal name Journal of Propulsion And Power   Check publisher's open access policy
ISSN 0748-4658
Publication date 1999-01-01
Sub-type Article (original research)
DOI 10.2514/2.5393
Volume 15
Issue 1
Start page 73
End page 81
Total pages 9
Editor R.H. Woodward Waesche
Place of publication Reston, Va
Publisher Institute of Aeronautics and Astronautics
Language eng
Subject C1
290299 Aerospace Engineering not elsewhere classified
690302 Space transport
Abstract A space-marching code for the simulation and optimization of inviscid supersonic flow in three dimensions is described. The now in a scramjet module with a relatively complex three-dimensional geometry is examined and wall-pressure estimates are compared with experimental data. Given that viscous effects are not presently included, the comparison is reasonable. The thermodynamic compromise of adding heat in a diverging combustor is also examined. The code is then used to optimize the shape of a thrust surface for a simpler (box-section) scramjet module in the presence of uniform and nonuniform heat distributions. The optimum two-dimensional profiles for the thrust surface are obtained via a perturbation procedure that requires about 30-50 now solutions. It is found that the final shapes are fairly insensitive to the details of the heat distribution.
Keyword Engineering, Aerospace
Sensitivity Analysis
Aerodynamic Design
Performance
Equations
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Mechanical & Mining Engineering Publications
 
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Created: Mon, 13 Aug 2007, 20:52:13 EST