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Pdf prediction of supersonic hydrogen flamesA hybrid method for the prediction of supersonic turbulent flows with combustion is developed consisting of a second order closure for the velocity field and a multi-scalar pdf method for the local thermodynamic state. It is shown that for non-premixed flames and chemical equilibrium mixture fraction, the logarithm of the (dimensionless) density, internal energy per unit mass and the divergence of the velocity have several advantages over other sets of scalars. The closure model is applied to a supersonic non-premixed flame burning hydrogen with air supplied by a supersonic coflow and the results are compared with a limited set of experimental data.
Document ID
19930039361
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Eifler, P.
(NASA Lewis Research Center Cleveland, OH, United States)
Kollmann, W.
(California Univ. Davis, United States)
Date Acquired
August 16, 2013
Publication Date
January 1, 1993
Subject Category
Inorganic And Physical Chemistry
Report/Patent Number
AIAA PAPER 93-0448
Meeting Information
Meeting: AIAA, Aerospace Sciences Meeting and Exhibit
Location: Reno, NV
Country: United States
Start Date: January 11, 1993
End Date: January 14, 1993
Sponsors: AIAA
Accession Number
93A23358
Funding Number(s)
CONTRACT_GRANT: NAG3-836
Distribution Limits
Public
Copyright
Other

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