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Low Dimensional Model for the Fluctuations observed in the Maryland Centrifugal Experiment
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Date
2010-01-01
Author
Guzdar, P. N.
Uzun Kaymak, İlker Ümit
Hassam, A. B.
Teodorescu, C.
Ellis, R. F.
Clary, R.
Romero-Talamas, C.
Young, W.
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The Maryland Centrifugal eXperiment (MCX) is a novel rotating mirror plasma, which is axially confined by the centrifugal force. The interchange modes can be stabilized by the shear in the azimuthal rotation velocity. Both these goals can be accomplished if the rotation speeds are supersonic with a Mach number~5. So far Mach numbers~2 have been accomplished. Thus residual interchange fluctuations are observed on sixteen magnetic pick-up coils placed azimuthally at an axial location mid-way between the central section and the mirror throat. The fluctuations are analyzed and modeled using a low-dimensional system of equations for the interchange mode coupled to zonal flows.
Subject Keywords
Rotating mirror plasma
,
Fluctuations
,
Stabilization
URI
https://hdl.handle.net/11511/35896
DOI
https://doi.org/10.1063/1.3526152
Collections
Department of Physics, Conference / Seminar
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Observations and analysis of magnetic fluctuations in the Maryland centrifugal experiment
Choi, S.; Guzdar, P. N.; Case, A.; Ellis, R.; Hassam, A. B.; Lunsford, R.; Teodorescu, C.; Uzun Kaymak, İlker Ümit (AIP Publishing, 2008)
Initial results from magnetic probes on the Maryland Centrifugal eXperiment (MCX) [R. F. Ellis , Phys. Plasmas 8, 2057 (2001)] provide details of the propagation and azimuthal mode structure of magnetic fluctuations in the edge region. Magnetic coils placed azimuthally along the edge measure changes in the axial magnetic field during the time history of the plasma discharge. The eight evenly spaced coils can resolve azimuthal modes up to m=3. The plasma rotates azimuthally in MCX due to an applied radial el...
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P. N. Guzdar et al., “Low Dimensional Model for the Fluctuations observed in the Maryland Centrifugal Experiment,” 2010, vol. 1308, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/35896.