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  Lagrangian acceleration statistics in 2D and 3D turbulence

Kamps, O., Wilczek, M., & Friedrich, R. (2012). Lagrangian acceleration statistics in 2D and 3D turbulence. In M. Oberlack, J. Peinke, A. Talamelli, L. Castillo, & M. Holling (Eds.), Progress in Turbulence and Wind Energy IV. Berlin: Springer-Verlag.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0003-E092-A Version Permalink: https://hdl.handle.net/21.11116/0000-0003-E093-9
Genre: Conference Paper

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 Creators:
Kamps, Oliver, Author
Wilczek, Michael1, Author           
Friedrich, Rudolf, Author
Affiliations:
1Max Planck Research Group Theory of Turbulent Flows, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2266693              

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 Abstract: In this paper we compare Lagrangian statistical quantities in the direct
energy cascade of three-dimensional turbulence and the corresponding
observables for the case of the inverse energy cascade in two
dimensions. We focus on the acceleration of a tracer particle along its
trajectory. Interpreting the acceleration as a stochastic process we
show that for both systems the Markov time scale, which is an indicator
for the length of the memory of a stochastic process, is in the order of
magnitude of the Lagrangian integral time scale.

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Language(s): eng - English
 Dates: 2012
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: BibTex Citekey: ISI:000392536300014
 Degree: -

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Title: Progress in Turbulence and Wind Energy IV
Source Genre: Proceedings
 Creator(s):
Oberlack, M, Editor
Peinke, J, Editor
Talamelli, A, Editor
Castillo, L, Editor
Holling, M, Editor
Affiliations:
-
Publ. Info: Berlin : Springer-Verlag
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: - Identifier: ISBN: 978-3-642-28968-2; 978-3-642-28967-5

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Title: Springer Proceedings in Physics
Source Genre: Series
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Pages: - Volume / Issue: 141 Sequence Number: - Start / End Page: 67 - 70 Identifier: -