Investigation of supersonic jet plumes using an improved two-equation turbulence model | Zendy

B. Lakshmanan | Zendy; Khaled S. Abdol-Hamid | Zendy

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Investigation of supersonic jet plumes using an improved two-equation turbulence model

Author(s) -

B. Lakshmanan,

Khaled S. Abdol-Hamid

Publication year - 1994

Publication title -

journal of propulsion and power

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.913

H-Index - 101

eISSN - 1533-3876

pISSN - 0748-4658

DOI - 10.2514/3.23787

Subject(s) - turbulence , supersonic speed , mechanics , jet (fluid) , compressibility , compressible flow , dissipation , k epsilon turbulence model , k omega turbulence model , physics , turbulence modeling , computational fluid dynamics , upwind scheme , inflow , turbulence kinetic energy , classical mechanics , mathematics , thermodynamics , mathematical analysis , discretization

Supersonic jet plumes were studied using a two-equation turbulence model employing corrections for compressible dissipation and pressure-dilatation. A space-marching procedure based on an upwind numerical scheme was used to solve the governing equations and turbulence transport equations. The computed results indicate that two-equation models employing corrections for compressible dissipation and pressure-dilatation yield improved agreement with the experimental data. In addition, the numerical study demonstrates that the computed results are sensitive to the effect of grid refinement and insensitive to the type of velocity profiles used at the inflow boundary for the cases considered in the present study.

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