A new evolution equation for C_epsilon2 in k-epsilon modeling that incorporates Reynolds-number dependence and finite cascade time effects, shown to match simulation data for forced and decaying isotropic turbulence across a range of Reynolds numbers.
Launder and D.B
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physics.flu-dyn 3years
2026 3verdicts
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A URANS-based three-phase mixture model simulates hydraulic jumps and air entrainment for Froude numbers 1.98-8.48, matching experimental data and IDDES accuracy at roughly 300 times lower computational cost.
Eddy viscosity in wall turbulence varies with outer boundary conditions across configurations, and a parametric outer correction embedded in a Cess-van Driest framework improves mean-flow accuracy for open channels while matching classical results elsewhere.
citing papers explorer
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A variable-coefficient model for decay of isotropic turbulence capturing effects of finite cascade time and Reynolds number
A new evolution equation for C_epsilon2 in k-epsilon modeling that incorporates Reynolds-number dependence and finite cascade time effects, shown to match simulation data for forced and decaying isotropic turbulence across a range of Reynolds numbers.
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Numerical Modeling of Flow and Air Entrainment in Hydraulic Jumps for a Wide Range of Froude Numbers
A URANS-based three-phase mixture model simulates hydraulic jumps and air entrainment for Froude numbers 1.98-8.48, matching experimental data and IDDES accuracy at roughly 300 times lower computational cost.
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Revisit eddy viscosity in pressure-driven wall turbulence at high Reynolds number
Eddy viscosity in wall turbulence varies with outer boundary conditions across configurations, and a parametric outer correction embedded in a Cess-van Driest framework improves mean-flow accuracy for open channels while matching classical results elsewhere.