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

Yurong Zhao; Jianjun Tao; Oleg Zikanov

doi:10.1103/PhysRevE.89.033002

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

Phys Rev E Stat Nonlin Soft Matter Phys. 2014 Mar;89(3):033002. doi: 10.1103/PhysRevE.89.033002. Epub 2014 Mar 4.

Authors

Yurong Zhao¹, Jianjun Tao¹, Oleg Zikanov²

Affiliations

¹ Department of Mechanics and Engineering Science, College of Engineering, Peking University, Beijing 100871, People's Republic of China.
² Department of Mechanical Engineering, University of Michigan - Dearborn, Dearborn, Michigan 48128, USA.

PMID: 24730932
DOI: 10.1103/PhysRevE.89.033002

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.

Publication types

Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.