Phys. Rev. E 89, 033002 (2014) - Transition to two-dimensionality in magnetohydrodynamic turbulent Taylor-Couette flow

Transition to two-dimensionality in magnetohydrodynamic turbulent Taylor-Couette flow

Yurong Zhao, Jianjun Tao, and Oleg Zikanov

Phys. Rev. E 89, 033002 – Published 4 March 2014

Abstract

Transition from a Taylor-Couette turbulent flow to a completely two-dimensional axisymmetric turbulent state is realized numerically by increasing gradually the strength of the azimuthal magnetic field produced by electric current flowing through the axial rod. With the increase of the Hartmann number, the Taylor-vortex-like structures shrink, move closer to the inner cylinder, and turn into unsteady but perfect tori at sufficiently high Hartmann numbers.

Received 22 September 2013

DOI:https://doi.org/10.1103/PhysRevE.89.033002

©2014 American Physical Society

Authors & Affiliations

Yurong Zhao and Jianjun Tao^*

Department of Mechanics and Engineering Science, College of Engineering, Peking University, Beijing 100871, People's Republic of China

Department of Mechanical Engineering, University of Michigan - Dearborn, Dearborn, Michigan 48128, USA

^*jjtao@pku.edu.cn

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Issue

Vol. 89, Iss. 3 — March 2014

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