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Title: Observation of Magnetocoriolis Waves in a Liquid Metal Taylor-Couette Experiment

Abstract

The first observation of fast and slow magnetocoriolis (MC) waves in a laboratory experiment is reported. Rotating nonaxisymmetric modes arising from a magnetized turbulent Taylor-Couette flow of liquid metal are identified as the fast and slow MC waves by the dependence of the rotation frequency on the applied field strength. The observed slow MC wave is marginally damped but will become destabilized by the magnetorotational instability with a modest increase in rotation rate.

Authors:
; ; ; ;
Publication Date:
Research Org.:
Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
963987
Report Number(s):
PPPL-4448
TRN: US0904030
DOE Contract Number:  
DE-ACO2-09CH11466
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; INSTABILITY; LIQUID METALS; ROTATION; MHD , Rotating Plasmas,

Citation Formats

Nornberg, M. D., Ji, H., Schartman, E., Roach, A., and Goodman, J. Observation of Magnetocoriolis Waves in a Liquid Metal Taylor-Couette Experiment. United States: N. p., 2009. Web. doi:10.2172/963987.
Nornberg, M. D., Ji, H., Schartman, E., Roach, A., & Goodman, J. Observation of Magnetocoriolis Waves in a Liquid Metal Taylor-Couette Experiment. United States. https://doi.org/10.2172/963987
Nornberg, M. D., Ji, H., Schartman, E., Roach, A., and Goodman, J. 2009. "Observation of Magnetocoriolis Waves in a Liquid Metal Taylor-Couette Experiment". United States. https://doi.org/10.2172/963987. https://www.osti.gov/servlets/purl/963987.
@article{osti_963987,
title = {Observation of Magnetocoriolis Waves in a Liquid Metal Taylor-Couette Experiment},
author = {Nornberg, M. D. and Ji, H. and Schartman, E. and Roach, A. and Goodman, J.},
abstractNote = {The first observation of fast and slow magnetocoriolis (MC) waves in a laboratory experiment is reported. Rotating nonaxisymmetric modes arising from a magnetized turbulent Taylor-Couette flow of liquid metal are identified as the fast and slow MC waves by the dependence of the rotation frequency on the applied field strength. The observed slow MC wave is marginally damped but will become destabilized by the magnetorotational instability with a modest increase in rotation rate.},
doi = {10.2172/963987},
url = {https://www.osti.gov/biblio/963987}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Mon Sep 14 00:00:00 EDT 2009},
month = {Mon Sep 14 00:00:00 EDT 2009}
}