A complete turbulence model, where the turbulent Prandtl and Schmidt numbers are calculated as part of the solution and where averages involving chemical source terms are modeled, is presented. The ability of avoiding the use of assumed or evolution Probability Distribution Functions (PDF's) results in a highly efficient algorithm for reacting flows. The predictions of the model are compared with two sets of experiments involving supersonic mixing and one involving supersonic combustion. The results demonstrate the need for consideration of turbulence/chemistry interactions in supersonic combustion. In general, good agreement with experiment is indicated.
Modeling Scramjet Flows with Variable Turbulent Prandtl and Schmidt Numbers
44th AIAA Aerospace Sciences Meeting and Exhibit ; 2006 ; Reno, NV, United States
2006-01-01
Preprint
Keine Angabe
Englisch
Modeling scramjet flows with variable turbulent Prandtl and Schmidt numbers
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