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Experimental studies of field‐reversed configuration translation
In the FRX‐C/T experiment [P r o c e e d i n g s o f t h e 9 t h S y m p o s i u m f o r E n g i n e e r i n g P r o b l e m s o f F u s i o n R e s e a r c h (IEEE, New York, 1981), p. 1751], field‐reversed configuration (FRC) plasmas have been formed in, and launched from, a field‐reversed theta‐p...
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Published in: | The Physics of fluids (1958) 1986-03, Vol.29 (3), p.852-862 |
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Main Authors: | , , , , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | In the FRX‐C/T experiment [P
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h (IEEE, New York, 1981), p. 1751], field‐reversed configuration (FRC) plasmas have been formed in, and launched from, a field‐reversed theta‐pinch source and subsequently trapped in an adjacent confinement region. No destructive instabilities or enhanced losses of poloidal flux, particles, or thermal energy are observed for FRC total trajectories of up to 16 m. The observed translation dynamics agree with two‐dimensional magnetohydrodynamic (MHD) simulations. When translated into reduced external magnetic fields, FRC’s are observed to accelerate, expand, and cool in partial agreement with adiabatic theory. The plasmas reflect from an external mirror and after each reflection, the axial kinetic energy is reduced by approximately 50%. Because of this reduction, FRC’s are readily trapped without the need of pulsed gate magnet coils. |
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ISSN: | 0031-9171 2163-4998 |
DOI: | 10.1063/1.865887 |