High Performance Hybrid RANS-LES Simulation Framework for Turbulent Combusting Flows

Award Information
Agency: National Aeronautics and Space Administration
Branch: N/A
Contract: NNM07AA65C
Agency Tracking Number: 060352
Amount: $99,827.00
Phase: Phase I
Program: STTR
Awards Year: 2007
Solicitation Year: 2006
Solicitation Topic Code: T8.02
Solicitation Number: N/A
Small Business Information
Streamline Numerics, Inc.
3221 NW 13th Street, Suite A, Gainesville, FL, 32609-2189
DUNS: 090574786
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Siddharth Thakur
 Principal Investigator
 (352) 271-8841
 st@snumerics.com
Business Contact
 Siddharth Thakur
Title: Business Official
Phone: (352) 271-8841
Email: st@snumerics.com
Research Institution
 Auburn University
 Not Available
 310 Samford Hall
Auburn University, AL, 36849
 (334) 844-4438
 Domestic nonprofit research organization
Abstract
The innovation proposed here is a computational framework for high performance, high fidelity computational fluid dynamics (CFD) to enable accurate, fast and robust simulation of unsteady turbulent, reacting or non-reacting flows involving real or ideal fluids. This framework will provide a state-of-the-art unsteady turbulent flow simulation capability by laying the foundation for the incorporation of Hybrid RANS-LES (HRLES) methods which are a blend of Reynolds Averaged Navier-Stokes (RANS) and Large Eddy Simulation (LES) approaches. This design and analysis tool will be built on a currently existing solver called Loci-STREAM which has been developed by the proposing firm under funding from NASA over the last four years. The work proposed here will result in a state-of-the-art design and analysis tool to enable the accurate modeling of small valves, turbopumps, combustion devices, etc. which constitute critical components of versatile space propulsion engines with deep throttling capability as part of NASA's Vision for Space Exploration Mission. Of particular relevance to NASA, this design and analysis tool will provide improved understanding and quantification of the time-varying, reacting flow environments in the thrust chamber assembly of space propulsion engines.

* information listed above is at the time of submission.

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