Investigation of Supersonic and Hypersonic Missile Interceptor Base Flows Using an Advanced Computational Framework

Award Information
Agency:
Department of Defense
Branch
Army
Amount:
$70,000.00
Award Year:
2009
Program:
SBIR
Phase:
Phase I
Contract:
W31P4Q-09-C-0458
Award Id:
92094
Agency Tracking Number:
A091-006-0065
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
P. O. Box 3001, Champaign, IL, 61826
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
792045713
Principal Investigator:
Mark Brandyberry
Chief Operating Officer
(217) 766-2567
mdbrandy@illinoisrocstar.com
Business Contact:
William Dick
CEO & Managing Member
(217) 417-0885
wdick@illinoisrocstar.com
Research Institution:
n/a
Abstract
A computational investigation of missile interceptor base flows in a supersonic/hypersonic application is proposed. High-fidelity three-dimensional simulations will be conducted using the proprietary framework Rocstar. The computational framework includes a compressible flow solver with advanced LES turbulence models and has flexibility sufficient to investigate a variety of base flow configurations under widely varying conditions. As a feasibility study for Rocstar, in Phase I we propose validated simulations for the flow past the cylindrical blunt afterbody configuration of Herrin and Dutton (1994) at Mach number of 2.5. In the Option period, we will develop a validation matrix, including a variety of geometries, for implementation during Phase II. We will also execute a simulation of the boat-tailed geometry. Professor J. Craig Dutton will serve as technical advisor to IllinoisRocstar on the SBIR project. The overall goal of this work is to develop, validate, and commercialize a numerical tool suitable for design and analysis. The code should accurately predict supersonic and hypersonic base flow characteristics to within 5%, especially pressure and velocity data. At the conclusion of Phase I and the Option, we will have completed a study assessing Rocstar capabilities, compared two well-known afterbody geometries, and assembled a set of validation cases to direct and extend Rocstar for turbulent base flow.

* information listed above is at the time of submission.

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