http://www.cnr.it/ontology/cnr/individuo/prodotto/ID287901
Inverse velocity statistics in two-dimensional turbulence (Articolo in rivista)
- Type
- Label
- Inverse velocity statistics in two-dimensional turbulence (Articolo in rivista) (literal)
- Anno
- 2003-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1063/1.1557527 (literal)
- Alternative label
Biferale, L; Cencini, M; Lanotte, AS; Vergni, D (2003)
Inverse velocity statistics in two-dimensional turbulence
in Physics of fluids (1994)
(literal)
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- Biferale, L; Cencini, M; Lanotte, AS; Vergni, D (literal)
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- ISI Web of Science (WOS) (literal)
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- University of Rome Tor Vergata; Dipartimento di Fisica, Università di Roma \"La Sapienza\" and INFM; Centre National de la Recherche Scientifique (CNRS);CNR, ISAC - Sezione di Lecce;Dipartimento di Fisica, Università di Roma \"La Sapienza\" and INFM (literal)
- Titolo
- Inverse velocity statistics in two-dimensional turbulence (literal)
- Abstract
- We present a numerical study of two-dimensional turbulent flows in the enstropy cascade regime, with different large-scale energy sinks. In particular, we study the statistics of more-than-differentiable velocity fluctuations by means of two sets of statistical estimators, namely inverse statistics and second-order differences. In this way, we are able to probe statistical fluctuations that are not captured by the usual spectral analysis. We show that a new set of exponents associated to more-than-differentiable fluctuations of the velocity field exists. We also present a numerical investigation of the temporal properties of u measured in different spatial locations. (C) 2003 American Institute of Physics. (literal)
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