Davidson, PA (2011) Long-range interactions in turbulence and the energy decay problem. Philos Trans A Math Phys Eng Sci, 369. pp. 796-810. ISSN 1364-503XFull text not available from this repository.
We discuss the long-range interactions that arise in homogeneous turbulence as a consequence of the Biot-Savart law. We note that, somewhat surprisingly, these long-range correlations are very weak in decaying, isotropic turbulence, and we argue that this should also be true for magnetohydrodynamic, rotating and stratified turbulence. If this is indeed the case, it is possible to make explicit predictions for the rate of decay of energy in these anisotropic systems, and it turns out that these predictions are consistent with the available numerical and experimental evidence.
|Divisions:||Div A > Fluid Mechanics|
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|Date Deposited:||15 Dec 2015 13:15|
|Last Modified:||08 Feb 2016 00:04|