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nonlocal closure

A method of approximating unknown turbulence quantities, such as covariances, by sums or integrals (over the whole domain of turbulence) of known quantities. This mimics the effects of a spectrum of eddy sizes causing mixing from various distances. Examples are transilient turbulence theory and spectral diffusivity theory. See nonlocal flux, nonlocal mixing.

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  • Kevin Bowles
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