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Control volume finite element solution of confined turbulent swirling flows
Author(s) -
Elkaïm D.,
McKenty F.,
Reggio M.,
Camarero R.
Publication year - 1994
Publication title -
international journal for numerical methods in fluids
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.938
H-Index - 112
eISSN - 1097-0363
pISSN - 0271-2091
DOI - 10.1002/fld.1650190204
Subject(s) - vorticity , finite volume method , control volume , discretization , stream function , interpolation (computer graphics) , turbulence , mathematics , finite element method , mechanics , computational fluid dynamics , pressure correction method , mathematical analysis , classical mechanics , physics , vortex , compressibility , motion (physics) , thermodynamics
A control volume finite element method that uses a triangular grid has been applied for solving confined turbulent swirling flows. To treat the velocity‐pressure coupling, the vorticity‐streamfunction formulation has been used. For turbulence effects the k ‐ϵ model has been adopted. Consistent with the use of wall functions in the near‐wall regions, a boundary condition for the calculation of the vorticity at computational boundaries is proposed and used effectively. The discretized equations are obtained by making use of an exponential interpolation function. Its use has been beneficial in reducing numerical diffusion. Comparisons of the current predictions with available experimental and numerical data from the literature showed generally fair agreement.