https://doi.org/10.1140/epjb/e2008-00383-6
The phase dynamics of spiral turbulence in the Couette-Taylor system
1
The Petroleum Institute, Mechanical Engineering Department, P.O. Box 2533, Abu Dhabi, UAE
2
Laboratoire d'Ondes et Milieux Complexes (LOMC), FRE 3102, CNRS-Université du Havre, B.P. 540, 25, rue Philippe Lebon, 76058 Le Havre Cedex, France
Corresponding author: a mutabazi@univ-lehavre.fr
Received:
6
March
2008
Revised:
3
September
2008
Published online:
11
October
2008
Spiral turbulence observed in Couette-Taylor system has been characterized using the phase diffusion equation suggested by Hegseth et al. [Phys. Rev. Lett. 62, 257 (1989)]. From space-time diagrams, we have measured the diffusion coefficient, the diffusion velocity, and the turbulent spiral pitch.
PACS: 47.20.Ky – Nonlinearity, bifurcation, and symmetry breaking / 47.27.Cn – Transition to turbulence
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag, 2008
