Dynamics of density fluctuations in a turbulent flow

Alejandro M. Yacomotti; Pascale Hennequin; Cyrille Honoré; Jean Luc Raimbault; Dominique Grésillon

doi:10.1016/j.physd.2004.10.005

Dynamics of density fluctuations in a turbulent flow

Alejandro M. Yacomotti
, Pascale Hennequin
, Cyrille Honoré
, Jean Luc Raimbault
, Dominique Grésillon

Résultats de recherche: Contribution à un journal › Article › Revue par des pairs

Résumé

Using a light scattering technique, we find that large density fluctuations in an air jet are clustered in time. A phase-space embedding allows us to propose a simple (S-shaped) manifold underlying the phase-space structure. In this context the temporal complexity naturally arises as stochastic fluctuations are added to the deterministic part of the model.

langue originale	Anglais
Pages (de - à)	165-170
Nombre de pages	6
journal	Physica D: Nonlinear Phenomena
Volume	200
Numéro de publication	1-2
Les DOIs	https://doi.org/10.1016/j.physd.2004.10.005
état	Publié - 1 janv. 2005

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10.1016/j.physd.2004.10.005

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title = "Dynamics of density fluctuations in a turbulent flow",

abstract = "Using a light scattering technique, we find that large density fluctuations in an air jet are clustered in time. A phase-space embedding allows us to propose a simple (S-shaped) manifold underlying the phase-space structure. In this context the temporal complexity naturally arises as stochastic fluctuations are added to the deterministic part of the model.",

keywords = "Clustering, Coherent structures, Light scattering, Long time correlations, Phase-space embedding, Stochastic non-linear dynamics, Turbulence",

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AU - Hennequin, Pascale

AU - Honoré, Cyrille

AU - Raimbault, Jean Luc

AU - Grésillon, Dominique

PY - 2005/1/1

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N2 - Using a light scattering technique, we find that large density fluctuations in an air jet are clustered in time. A phase-space embedding allows us to propose a simple (S-shaped) manifold underlying the phase-space structure. In this context the temporal complexity naturally arises as stochastic fluctuations are added to the deterministic part of the model.

AB - Using a light scattering technique, we find that large density fluctuations in an air jet are clustered in time. A phase-space embedding allows us to propose a simple (S-shaped) manifold underlying the phase-space structure. In this context the temporal complexity naturally arises as stochastic fluctuations are added to the deterministic part of the model.

KW - Clustering

KW - Coherent structures

KW - Light scattering

KW - Long time correlations

KW - Phase-space embedding

KW - Stochastic non-linear dynamics

KW - Turbulence

UR - https://www.scopus.com/pages/publications/10844249150

U2 - 10.1016/j.physd.2004.10.005

DO - 10.1016/j.physd.2004.10.005

M3 - Article

AN - SCOPUS:10844249150

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JO - Physica D: Nonlinear Phenomena

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ER -

Dynamics of density fluctuations in a turbulent flow

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