Affine turbulence |
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| Authors: | B. Dubrulle |
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| Affiliation: | (1) NCAR, P.O. Box 3000, Boulder, CO 80307-3000, USA and Observatoire Midi-Pyrénées (UMR 5572 du CNRS), 14 avenue Belin, 31400 Toulouse, France, FR |
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| Abstract: | We present a generalization of the multiplicative model for velocity increments involving an affine process. The consequences on the shape of the probability distribution functions for the velocity increments are explored, and shown to be better compatible with the existence of a scale variation of the skewness. Received 29 March 1999 and Received in final form 14 September 1999 |
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| Keywords: | PACS. 02.50.-r Probability theory, stochastic processes, and statistics - 11.30.-j Symmetry and conservation laws - 47.27.Gs Isotropic turbulence homogeneous turbulence - 47.27.Jv High-Reynolds-number turbulence |
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