LeHavreV1, Main, Exploration, bibRecord, 000921

The structure of spatio-temporal defects in a spiral pattern in the Couette-Taylor ﬂow

Identifieur interne : 000921 ( Main/Exploration ); précédent : 000920; suivant : 000922

The structure of spatio-temporal defects in a spiral pattern in the Couette-Taylor ﬂow

Auteurs : A. B. Ezersky [France] ; N. Abcha [France] ; I. Mutabazi [France]

Source :

Physics Letters A [ 0375-9601 ] ; 2010-02-18.

RBID : Hal:hal-00665623

Descripteurs français

mix :
- Spatio-temporal patterns Defect Couette-Taylor ﬂow Ginzburg-Landau equation.

Abstract

Disorder in spiral pattern arising in the counter-rotating Couette-Taylor ﬂow has been investigated. It was revealed that in a certain range of ﬂow control parameters, defects may be generated on the background of spirals periodically in time. Spatio-temporal structure of a single defect has been investigated in detail. A simple theoretical model based on asymptotic solution of the complex Ginzburg-Landau equation was proposed to explain characteristics of a defect. We found that, for a given super-criticality, defects appear at a deﬁnite value of the spiral wave phase.

Url:

https://hal.archives-ouvertes.fr/hal-00665623

DOI: 10.1016/j.physleta.2010.06.019

Affiliations:

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Le document en format XML

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The structure of spatio-temporal defects in a spiral pattern in the Couette-Taylor ﬂow

The structure of spatio-temporal defects in a spiral pattern in the Couette-Taylor ﬂow

Source :

Descripteurs français

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri