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Radiation transport around axisymmetric blunt body vehicles using a modified differential approximationA moment method for computing 3D radiative transport in axisymmetric thermochemical nonequilibrium flows is developed. The method uses the P-1 approximation to reduce the governing system of integro-differential equations to a coupled set of partial differential equations. The numerical solution of these equations for realistic variations of the radiation properties is discussed. Representative results from the method are shown and compared to tangent slab calculations. The agreement between the transport methods is found to be about 10 percent in the stagnation region, with the difference increasing along the flank of the vehicle.
Document ID
19920041117
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Hartung, Lin C.
(NASA Langley Research Center Hampton, VA, United States)
Hassan, H. A.
(North Carolina State University Raleigh, United States)
Date Acquired
August 15, 2013
Publication Date
January 1, 1992
Subject Category
Fluid Mechanics And Heat Transfer
Report/Patent Number
AIAA PAPER 92-0119
Accession Number
92A23741
Funding Number(s)
CONTRACT_GRANT: NAGW-1022
CONTRACT_GRANT: NCC1-112
CONTRACT_GRANT: NAGW-1331
Distribution Limits
Public
Copyright
Other

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