Realisable k-epsilon model
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==Model Constants == | ==Model Constants == | ||
- | <math> C_{1 \epsilon} = 1.44, \;\; C_2 = 1. | + | <math> C_{1 \epsilon} = 1.44, \;\; C_2 = 1.9, \;\; \sigma_k = 1.0, \;\; \sigma_{\epsilon} = 1.2 </math> |
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+ | == References == | ||
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+ | See section [[K-epsilon_models#References|References]] in the parent page [[K-epsilon models]]. | ||
[[Category:Turbulence models]] | [[Category:Turbulence models]] |
Latest revision as of 19:57, 16 December 2014
Contents |
Transport Equations
Where
In these equations, represents the generation of turbulence kinetic energy due to the mean velocity gradients, calculated in same manner as standard k-epsilon model. is the generation of turbulence kinetic energy due to buoyancy, calculated in same way as standard k-epsilon model.
Modelling Turbulent Viscosity
where
;
;
where is the mean rate-of-rotation tensor viewed in a rotating reference frame with the angular velocity . The model constants and are given by:
Model Constants
References
See section References in the parent page K-epsilon models.