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Turbulence Heat and Mass Transfer 6. Proceedings of the Sixth International Symposium On Turbulence Heat and Mass Transfer
September, 14-18, 2009, Rome, Italy

DOI: 10.1615/ICHMT.2009.TurbulHeatMassTransf


ISBN Print: 978-1-56700-262-1

ISSN: 2377-2816

Influence of helicity on anomalous scaling of a passive scalar advected by the Navier-Stokes velocity field

page 4
DOI: 10.1615/ICHMT.2009.TurbulHeatMassTransf.1230
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要約

The influence of helicity on the anomalous scaling of the single-time structure functions of a passive scalar advected by a non-Gaussian velocity field driven by the stochastic Navier-Stokes equation is investigated by the field theoretic renormalization group and operator-product expansion within two-loop approximation. The composite operators with the minimal critical dimensions are identified and their critical dimensions are calculated as functions of helicity parameter.

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