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The structure of spatio-temporal defects in a spiral pattern in the Couette-Taylor flow
- Source :
- Physics Letters A, Physics Letters A, Elsevier, 2010, 374, pp.3297-3303. 〈10.1016/j.physleta.2010.06.019〉, Physics Letters A, Elsevier, 2010, 374, pp.3297-3303. ⟨10.1016/j.physleta.2010.06.019⟩
- Publication Year :
- 2010
- Publisher :
- HAL CCSD, 2010.
-
Abstract
- International audience; 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.
- Subjects :
- Physics
[SDE.MCG]Environmental Sciences/Global Changes
Ginzburg landau equation
General Physics and Astronomy
Mechanics
01 natural sciences
010305 fluids & plasmas
Flow control (fluid)
[ SDE.MCG ] Environmental Sciences/Global Changes
Classical mechanics
Spatio-temporal patterns Defect Couette-Taylor flow Ginzburg-Landau equation
Spiral wave
0103 physical sciences
[ SDU.ENVI ] Sciences of the Universe [physics]/Continental interfaces, environment
010306 general physics
[SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces, environment
Subjects
Details
- Language :
- English
- ISSN :
- 03759601 and 18732429
- Database :
- OpenAIRE
- Journal :
- Physics Letters A, Physics Letters A, Elsevier, 2010, 374, pp.3297-3303. 〈10.1016/j.physleta.2010.06.019〉, Physics Letters A, Elsevier, 2010, 374, pp.3297-3303. ⟨10.1016/j.physleta.2010.06.019⟩
- Accession number :
- edsair.doi.dedup.....03ae57479ea2e02cf3bbe3d437eea226