Proposal of Damping Function for Low-Reynolds-Number 𝑘-𝜀 Model Applicable in Prediction of Turbulent Viscoelastic-Fluid Flow

Table 2

Effective wall viscosity normalized by 𝜇₀.

Reynolds number Re𝜏	150	150	150	150	150	395	395
Weissenberg number Wi𝜏	10	11	30	30	40	11	30
Shear-viscosity ratio 𝛽	0.8	0.5	0.5	0.3	0.5	0.5	0.5
Present model	0.961	0.880	0.697	0.527	0.654	0.880	0.697
DNS [18]	0.962	0.870	0.690	0.518	0.654	0.870	0.690