A near wall k—ε formulation for high Prandtl number heat transfer
J. Herrero F.X. Grau J. Grifoll Francesc Giralt
A near wall k—ε formulation for high Prandtl number heat transfer - 711-721 p.
An improved form of the so-called ‘near-wall’ k—ε turbulence model is proposed. The damping functions accounting for viscous effects at low Reynolds numbers are modified to yield a turbulent viscosity that properly predicts heat transfer rates over a wide range of Prandtl numbers, using a constant turbulent Prandtl number Prt = 0.9. These modifications aimed at improving the prediction of wall fluxes, also yield a better description of mean velocity and temperature profiles as well as of mean turbulent properties.
0017-9310
High Prandtl Number
Heat Transfer
Damping Functions Accounting
A near wall k—ε formulation for high Prandtl number heat transfer - 711-721 p.
An improved form of the so-called ‘near-wall’ k—ε turbulence model is proposed. The damping functions accounting for viscous effects at low Reynolds numbers are modified to yield a turbulent viscosity that properly predicts heat transfer rates over a wide range of Prandtl numbers, using a constant turbulent Prandtl number Prt = 0.9. These modifications aimed at improving the prediction of wall fluxes, also yield a better description of mean velocity and temperature profiles as well as of mean turbulent properties.
0017-9310
High Prandtl Number
Heat Transfer
Damping Functions Accounting