Experimental observation and characterization of the magnetorotational instability

Daniel R. Sisan; Nicolás Mujica; W. Andrew Tillotson; Yi Min Huang; William Dorland; Adil B. Hassam; Thomas M. Antonsen; Daniel P. Lathrop

doi:10.1103/PhysRevLett.93.114502

Experimental observation and characterization of the magnetorotational instability

Daniel R. Sisan, Nicolás Mujica, W. Andrew Tillotson, Yi Min Huang, William Dorland, Adil B. Hassam, Thomas M. Antonsen, Daniel P. Lathrop

Physics

Research output: Contribution to journal › Article › peer-review

Abstract

Magnetorotational instability was experimentally observed and characterized. A system consisting of liquid sodium between differentially rotating spheres, with an imposed coaxial magnetic field was used. The observed patterns and torque increases were characterized and it was demonstrated that such instability could occur from a hydrodynamic turbulent background. The nonlinear saturated amplitude of the angular momentum transport and the patterns and saturated values of magnetic field over a range of parameter values were also quantified.

Original language	English (US)
Article number	114502
Pages (from-to)	114502-1-114502-4
Journal	Physical Review Letters
Volume	93
Issue number	11
DOIs	https://doi.org/10.1103/PhysRevLett.93.114502
State	Published - Sep 10 2004

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.93.114502

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title = "Experimental observation and characterization of the magnetorotational instability",

abstract = "Magnetorotational instability was experimentally observed and characterized. A system consisting of liquid sodium between differentially rotating spheres, with an imposed coaxial magnetic field was used. The observed patterns and torque increases were characterized and it was demonstrated that such instability could occur from a hydrodynamic turbulent background. The nonlinear saturated amplitude of the angular momentum transport and the patterns and saturated values of magnetic field over a range of parameter values were also quantified.",

author = "Sisan, {Daniel R.} and Nicol{\'a}s Mujica and Tillotson, {W. Andrew} and Huang, {Yi Min} and William Dorland and Hassam, {Adil B.} and Antonsen, {Thomas M.} and Lathrop, {Daniel P.}",

note = "Funding Information: We would like to acknowledge helpful discussions with and assistance from John Rodgers, Donald Martin, Yasushi Takeda, James Stone, Eve Ostriker, James Drake, Edward Ott, and Rainer Hollerbach. This work was supported by the National Science Foundation and the Department of Energy of the United States of America.",

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doi = "10.1103/PhysRevLett.93.114502",

language = "English (US)",

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T1 - Experimental observation and characterization of the magnetorotational instability

AU - Sisan, Daniel R.

AU - Mujica, Nicolás

AU - Tillotson, W. Andrew

AU - Huang, Yi Min

AU - Dorland, William

AU - Hassam, Adil B.

AU - Antonsen, Thomas M.

AU - Lathrop, Daniel P.

N1 - Funding Information: We would like to acknowledge helpful discussions with and assistance from John Rodgers, Donald Martin, Yasushi Takeda, James Stone, Eve Ostriker, James Drake, Edward Ott, and Rainer Hollerbach. This work was supported by the National Science Foundation and the Department of Energy of the United States of America.

PY - 2004/9/10

Y1 - 2004/9/10

N2 - Magnetorotational instability was experimentally observed and characterized. A system consisting of liquid sodium between differentially rotating spheres, with an imposed coaxial magnetic field was used. The observed patterns and torque increases were characterized and it was demonstrated that such instability could occur from a hydrodynamic turbulent background. The nonlinear saturated amplitude of the angular momentum transport and the patterns and saturated values of magnetic field over a range of parameter values were also quantified.

AB - Magnetorotational instability was experimentally observed and characterized. A system consisting of liquid sodium between differentially rotating spheres, with an imposed coaxial magnetic field was used. The observed patterns and torque increases were characterized and it was demonstrated that such instability could occur from a hydrodynamic turbulent background. The nonlinear saturated amplitude of the angular momentum transport and the patterns and saturated values of magnetic field over a range of parameter values were also quantified.

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Experimental observation and characterization of the magnetorotational instability

Abstract

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