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          Institute: MPI für Dynamik und Selbstorganisation     Collection: Hydrodynamik und Strukturbildung     Display Documents



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ID: 262366.0, MPI für Dynamik und Selbstorganisation / Hydrodynamik und Strukturbildung
On the distribution of Lagrangian accelerations in turbulent flows
Authors:Reynolds, A. M.; Mordant, N.; Crawford, A. M.; Bodenschatz, E.
Language:English
Date of Publication (YYYY-MM-DD):2005-02-16
Title of Journal:New Journal of Physics
Volume:7
Start Page:58-1
End Page:58-9
Review Status:not specified
Audience:Experts Only
Abstract / Description:Superstatistical Lagrangian stochastic models are shown to predict accurately the distribution of the magnitude of the acceleration vector in three-dimensional high Reynolds-number turbulence. Distributions are closely log-normal having high tails that are nearly coincident with measured distributions of enstrophy. The findings support the view that the dominant contribution to extreme accelerations comes from centripetal accelerations induced by vortex filaments.
External Publication Status:published
Document Type:Article
Communicated by:Folkert Müller-Hoissen
Affiliations:MPI für Dynamik und Selbstorganisation/Hydrodynamik und Strukturbildung
External Affiliations:Rothamsted Research, Harpenden, Hertfordshire, AL5 2JQ, UK
LASSP, Cornell University, Ithaca, NY 14853, USA
LPS, Ecole Normale Superieure, Paris, France
Identifiers:DOI:10.1088/1367-2630/7/1/058
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