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Turbulence model predictions of the radial jet — A comparison of κ‐ϵ models
Author(s) -
Wood P. E.,
Chen C. P.
Publication year - 1985
Publication title -
the canadian journal of chemical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 67
eISSN - 1939-019X
pISSN - 0008-4034
DOI - 10.1002/cjce.5450630201
Subject(s) - turbulence , conservative vector field , jet (fluid) , turbulence kinetic energy , mechanics , rotational symmetry , physics , k epsilon turbulence model , plane (geometry) , closure (psychology) , k omega turbulence model , kinetic energy , turbulence modeling , radial velocity , statistical physics , classical mechanics , mathematics , compressibility , geometry , stars , astronomy , economics , market economy
The (κ‐ϵ) turbulence closure model has become a widely used means of predicting turbulent fluid flows. In this paper the turbulent radial jet, the round jet and the plane jet are calculated in their similarity regions using various versions of the (κ‐ϵ) model to determine which is the most satisfactory for both plane and axisymmetric flows. The most general predictions were obtained using a model which contained additional terms to account for the effect of irrotational strains on the production of turbulence energy. Additionally, detailed mean velocity profiles and turbulence kinetic energy profiles of the radial jet are compared to the available experimental data.