Particle trapping in three-dimensional fully developed turbulence (Articolo in rivista)

Type
Label
  • Particle trapping in three-dimensional fully developed turbulence (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.1846771 (literal)
Alternative label
  • Biferale L., Boffetta G., Celani A., Lanotte A., Toschi F. (2005)
    Particle trapping in three-dimensional fully developed turbulence
    in Physics of fluids (1994)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Biferale L., Boffetta G., Celani A., Lanotte A., Toschi F. (literal)
Pagina inizio
  • 021701 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 17 (literal)
Rivista
Note
  • Scopus (literal)
  • Google Scholar (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Dipartimento di Fisica and INFN, Università degli Studi di Roma \"Tor Vergata,\" Via della Ricerca Scientifica 1, 00133 Roma, Italy Dipartimento di Fisica Generale and INFN, Università degli Studi di Torino, Via Pietro Giuria 1, 10125 Torino, Italy CNRS, INLN, 1361 Route des Lucioles, 06560 Valbonne, France CNR-ISAC, Str. Prov. Lecce-Monteroni km. 1200, 73100 Lecce, Italy Istituto per le Applicazioni del Calcolo, CNR, Viale del Policlinico 137, 00161 Roma, Italy (literal)
Titolo
  • Particle trapping in three-dimensional fully developed turbulence (literal)
Abstract
  • The statistical properties of fluid particles transported by a three-dimensional fully developed turbulent flow are investigated by means of high resolution direct numerical simulations. Single trajectory statistics are investigated in a time range spanning more than three decades, from less than a tenth of the Kolmogorov time scale, taueta, up to one large-eddy turnover time. Our analysis reveals the existence of relatively rare trapping events in vortex filaments which give rise to enhanced intermittency on Lagrangian observables up to 10taueta. Lagrangian velocity structure function attain scaling properties in agreement with the multifractal prediction only for time lags larger than those affected by trapping. (literal)
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