Particle-confinement criteria for axisymmetric field-reversed magnetic configurations

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The general conditions for particle confinement are derived for an axisymmetric system and specialized to a general class of vortex-type field-reversed magnetic configurations. The criteria for closed-field and open-field confinements are obtained, including both the lower and upper bounds of P/sub theta//q where q is the charge of the particle. The constraint on P/sub theta//q represents a necessary condition for particle confinement. In certain limits, the commonly used criterion for Hamiltonian, H < ..omega../sub 0/P/sub theta/, where ..omega../sub 0/ identical with qB/sub 0//mc, is deduced from a more general form as a special case. In addition, a new criterion, -B/sub ... continued below

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Pages: 19

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Hsiao, M.Y. & Miley, G.H. January 1, 1981.

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Description

The general conditions for particle confinement are derived for an axisymmetric system and specialized to a general class of vortex-type field-reversed magnetic configurations. The criteria for closed-field and open-field confinements are obtained, including both the lower and upper bounds of P/sub theta//q where q is the charge of the particle. The constraint on P/sub theta//q represents a necessary condition for particle confinement. In certain limits, the commonly used criterion for Hamiltonian, H < ..omega../sub 0/P/sub theta/, where ..omega../sub 0/ identical with qB/sub 0//mc, is deduced from a more general form as a special case. In addition, a new criterion, -B/sub 0/R/sub w//sup 2//2c < P/sub theta//q < 0, where R/sub w/ = wall radius, and B/sub 0/ = vacuum field, is found necessary to be imposed, which reduces the confined region in (E, P/sub theta) space. These results can be applied to calculations for Field-Reversed Mirrors and Field-Reversed Theta Pinches.

Physical Description

Pages: 19

Notes

NTIS, PC A02/MF A01.

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  • Controlled fusion theory conference, Austin, TX, USA, 8 Apr 1981

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  • Report No.: CONF-810450-1
  • Report No.: COO-2218-214
  • Grant Number: AS02-76ET52040
  • Office of Scientific & Technical Information Report Number: 6477639
  • Archival Resource Key: ark:/67531/metadc1211061

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • January 1, 1981

Added to The UNT Digital Library

  • July 5, 2018, 11:11 p.m.

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  • Sept. 6, 2018, 7:44 p.m.

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Hsiao, M.Y. & Miley, G.H. Particle-confinement criteria for axisymmetric field-reversed magnetic configurations, article, January 1, 1981; United States. (digital.library.unt.edu/ark:/67531/metadc1211061/: accessed December 11, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.