Extreme Events for Two-Particles Separations in Turbulent Flows (Contributo in atti di convegno)

Type
Label
  • Extreme Events for Two-Particles Separations in Turbulent Flows (Contributo in atti di convegno) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Alternative label
  • Luca Biferale 1, Alessandra S Lanotte 2, Riccardo Scatamacchia 1 & 3, Federico Toschi 3 & 4 (2014)
    Extreme Events for Two-Particles Separations in Turbulent Flows
    in iTi Conference in Turbulence 2012, Bertinoro (Italia)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Luca Biferale 1, Alessandra S Lanotte 2, Riccardo Scatamacchia 1 & 3, Federico Toschi 3 & 4 (literal)
Pagina inizio
  • 9 (literal)
Pagina fine
  • 16 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#titoloVolume
  • Progress in Turbulence V (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#volumeInCollana
  • 149 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1 Universita' di Tor Vergata; 2 CNR ISAC; 3 Technical University of Eindhoven, 4 CNR IAC (literal)
Titolo
  • Extreme Events for Two-Particles Separations in Turbulent Flows (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#curatoriVolume
  • Alessandro Talamelli, Martin Oberlack, Joachim Peinke (literal)
Abstract
  • Results from high resolution numerical simulations of tracer particles emitted from localised sources in homogeneous and isotropic flows are presented. A huge number of tracers are emitted in order to reach an unprecedented statistics concerning particles pairs motion. We show that the far tails of the particles pair separation Probability Distribution Function can not be described by a Richardsonlike distribution, even if finite Reynolds effects are introduced. We argue that to describe extreme event statistics, velocity temporal correlations and non-Gaussian fluctuations must be taken into account. (literal)
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