If ν is the kinematic viscosity and ε is the rate of dissipation of turbulent energy, to which of these terms is the spectral energy of Kolmogorov micro-scale eddies proportional to?
If ν is the kinematic viscosity and ε is the rate of dissipation of turbulent energy, to which of these terms is the spectral energy of Kolmogorov micro-scale eddies proportional to? Correct Answer ν5/4 ε1/4
Kolmogorov argued that the behaviour of the smallest turbulent eddies depends on the rate of dissipation of turbulent energy. But, later studies revealed that only the spectral energy of the smallest turbulent eddies depends on the rate of dissipation of turbulent energy and the relationship is given by spectral energy ∝ ν5/4 ε1/4.
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Feb 20, 2025