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Efficient Multi-Scale Radiation Transport Modeling

Award Information
Agency: Department of Defense
Branch: Air Force
Contract: FA9550-09-C-0010
Agency Tracking Number: F08A-020-0170
Amount: $99,992.00
Phase: Phase I
Program: STTR
Solicitation Topic Code: AF08-T020
Solicitation Number: 2008.A
Solicitation Year: 2008
Award Year: 2009
Award Start Date (Proposal Award Date): 2008-07-01
Award End Date (Contract End Date): 2009-03-01
Small Business Information
2629 Townsgate Road Suite 105
Westlake Village, CA 91361
United States
DUNS: 005100560
HUBZone Owned: No
Woman Owned: Yes
Socially and Economically Disadvantaged: Yes
Principal Investigator
 Shashi Aithal
 Member Technical Staff
 (805) 371-7500
Business Contact
 Vijaya Shankar
Title: Vice-President
Phone: (805) 371-7500
Research Institution
 Lawrence Livermore National Lab
 Barna Bihari
Box 808, L-560
Livermore, CA 94551
United States

 (925) 423-7002
 Federally Funded R&D Center (FFRDC)

Radiative transfer is of special importance in several applications from re-entry flows to rocket engines and air-breathing engines. Solution of the Radiative Transfer Equation (RTE), which is a complex integro-differential equation, places stringent requirements on the computational resources. Additionally, radiative transfer can occur over widely differing spatial scales further increasing the computational complexity. Hence efforts have to be made to develop efficient numerical algorithms and solvers to address issues of accuracy and computational time. Furthermore, there is a need to develop accurate physical models that include real gas effects such as non-ideal equations of state and frequency-dependent radiative properties for the participating medium. In this research, HyPerComp proposes to develop a high-performance, multi-physics, multi-scale computational platform to address a large class of problems involving radiative transfer. PWRFlow, an in-house unstructured, parallel continuum flow solver currently solves the RTE for turbulent reacting flows. This capability will be extended to solve the RTE from the optically thin to thick limits. Use of computationally efficient hybrid methods and accurate physical models will be developed as a part of this research effort. BENEFIT: The main focus of this STTR is to develop an understanding of the role of multi-scale radiative transport in turbulent reacting flows. Work done under this research will have applications in several technologies critical in aerospace propulsion, automobile engines and plasma processing reactors. Additionally, manufacturers of gas turbines and combustors along with the energy industry using coal/oil-fired furnaces will benefit from this research. HyPerComp envisions the development of a commercial suite of software tools to assist in combustion-based applications for general propulsive and chemical engineering applications. It is anticipated that such a commercial tool will be ready for marketing on the successful completion of Phase II of this STTR.

* Information listed above is at the time of submission. *

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