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Universal intermittent properties of particle trajectories in highly turbulent flows

Universal intermittent properties of particle trajectories in highly turbulent flows
Universal intermittent properties of particle trajectories in highly turbulent flows
We present a collection of eight data sets from state-of-the-art experiments and numerical simulations on turbulent velocity statistics along particle trajectories obtained in different flows with Reynolds numbers in the range R??[120?740]. Lagrangian structure functions from all data sets are found to collapse onto each other on a wide range of time lags, pointing towards the existence of a universal behavior, within present statistical convergence, and calling for a unified theoretical description. Parisi-Frisch multifractal theory, suitably extended to the dissipative scales and to the Lagrangian domain, is found to capture the intermittency of velocity statistics over the whole three decades of temporal scales investigated here
254504-[5pp]
Arneodo, A.
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Benzi, R.
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Berg, J.
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Biferale, L.
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Bodenschatz, E.
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Busse, A.E.
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Calzavarini, E.
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Castaign, B.
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Cencini, M.
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Chevillard, L.
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Fisher, R.T.
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Grauer, R.
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Homann, H.
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Lambkin, D.O.
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Lanotte, A.S.
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Leveque, E.
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Luthi, B.
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Mann, J.
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Mordant, N.
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Müller, W.C.
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Ott, S.
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Ouellette, N.T.
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Pinton, J.F.
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Pope, S.B.
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Roux, S.G.
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Toschi, F.
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Xu, H.
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Yeung, P.K.
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Arneodo, A.
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Benzi, R.
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Berg, J.
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Biferale, L.
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Bodenschatz, E.
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Busse, A.E.
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Calzavarini, E.
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Castaign, B.
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Cencini, M.
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Chevillard, L.
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Fisher, R.T.
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Grauer, R.
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Homann, H.
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Lambkin, D.O.
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Lanotte, A.S.
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Leveque, E.
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Luthi, B.
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Mann, J.
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Mordant, N.
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Müller, W.C.
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Ott, S.
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Ouellette, N.T.
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Pinton, J.F.
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Pope, S.B.
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Roux, S.G.
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Toschi, F.
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Xu, H.
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Yeung, P.K.
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Arneodo, A., Benzi, R. and Berg, J. et al. (2008) Universal intermittent properties of particle trajectories in highly turbulent flows. Physical Review Letters, 100 (25), 254504-[5pp]. (doi:10.1103/PhysRevLett.100.254504).

Record type: Article

Abstract

We present a collection of eight data sets from state-of-the-art experiments and numerical simulations on turbulent velocity statistics along particle trajectories obtained in different flows with Reynolds numbers in the range R??[120?740]. Lagrangian structure functions from all data sets are found to collapse onto each other on a wide range of time lags, pointing towards the existence of a universal behavior, within present statistical convergence, and calling for a unified theoretical description. Parisi-Frisch multifractal theory, suitably extended to the dissipative scales and to the Lagrangian domain, is found to capture the intermittency of velocity statistics over the whole three decades of temporal scales investigated here

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Published date: June 2008
Organisations: Aerodynamics & Flight Mechanics Group

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Local EPrints ID: 342444
URI: https://eprints.soton.ac.uk/id/eprint/342444
PURE UUID: b56cf71b-87d7-4c02-bb70-f4775db33db1

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Date deposited: 30 Aug 2012 08:15
Last modified: 18 Jul 2017 05:29

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Contributors

Author: A. Arneodo
Author: R. Benzi
Author: J. Berg
Author: L. Biferale
Author: E. Bodenschatz
Author: A.E. Busse
Author: E. Calzavarini
Author: B. Castaign
Author: M. Cencini
Author: L. Chevillard
Author: R.T. Fisher
Author: R. Grauer
Author: H. Homann
Author: D.O. Lambkin
Author: A.S. Lanotte
Author: E. Leveque
Author: B. Luthi
Author: J. Mann
Author: N. Mordant
Author: W.C. Müller
Author: S. Ott
Author: N.T. Ouellette
Author: J.F. Pinton
Author: S.B. Pope
Author: S.G. Roux
Author: F. Toschi
Author: H. Xu
Author: P.K. Yeung

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