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Which of these is highly energetic?

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Which of these is highly energetic?

(a) Kolmogorov micro-scale eddies

(b) Small eddies

(c) Medium eddies

(d) Large eddies

The question was asked by my school teacher while I was bunking the class.

I'd like to ask this question from Turbulence Modelling in chapter Turbulence Modelling of Computational Fluid Dynamics

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Correct choice is (d) Large eddies

For explanation I would say: Energy content peaks at low wavenumber. At low wave numbers, eddies are large. The larger eddies are the most energetic as they acquire energy from the mean flow through direct interaction.

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