Skip to main content

Effects of axial boundary conductivity on a free Stewartson-Shercliff layer

Author(s): Caspary, Kyle J; Choi, Dahan; Ebrahimi, Fatima; Gilson, Erik P; Goodman, Jeremy J.; et al

To refer to this page use:
Abstract: The effects of axial boundary conductivity on the formation and stability of a magnetized free Stewartson-Shercliff layer (SSL) in a short Taylor-Couette device are reported. As the axial field increases with insulating endcaps, hydrodynamic Kelvin-Helmholtz-type instabilities set in at the SSLs of the conducting fluid, resulting in a much reduced flow shear. With conducting endcaps, SSLs respond to an axial field weaker by the square root of the conductivity ratio of endcaps to fluid. Flow shear continuously builds up as the axial field increases despite the local violation of the Rayleigh criterion, leading to a large number of hydrodynamically unstable modes. Numerical simulations of both the mean flow and the instabilities are in agreement with the experimental results.
Publication Date: Jun-2018
Electronic Publication Date: 20-Jun-2018
Citation: Caspary, Kyle J, Choi, Dahan, Ebrahimi, Fatima, Gilson, Erik P, Goodman, Jeremy, Ji, Hantao. (2018). Effects of axial boundary conductivity on a free Stewartson-Shercliff layer. PHYSICAL REVIEW E, 97 (10.1103/PhysRevE.97.063110
DOI: doi:10.1103/PhysRevE.97.063110
ISSN: 2470-0045
EISSN: 2470-0053
Type of Material: Journal Article
Journal/Proceeding Title: PHYSICAL REVIEW E
Version: Final published version. Article is made available in OAR by the publisher's permission or policy.

Items in OAR@Princeton are protected by copyright, with all rights reserved, unless otherwise indicated.