Trapped particle dynamics in toroidally rotating plasmas

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A detailed single particle orbit analysis is toroidally rotating plasma yields new analytical formulas for the second adiabatic invariant, the bounce frequency, and the precession frequency up to the first order correction in {rho}{sub pi}(poloidal ion gyroradium)/L{sub v}(scale length of rotation velocity), for toroidal flow values of the order of ion thermal velocity. Toroidal plasma rotation effects on the trapped ion instabilities in tokamaks are investigated in the context of local theory. Toroidal plasma rotation increases both the fraction of trapped particles and their precession drift velocity. Consequently, the growth rate of trapped ion instability increases in both dissipative and ... continued below

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Pages: (20 p)

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Hahm, T.S. June 1, 1992.

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Description

A detailed single particle orbit analysis is toroidally rotating plasma yields new analytical formulas for the second adiabatic invariant, the bounce frequency, and the precession frequency up to the first order correction in {rho}{sub pi}(poloidal ion gyroradium)/L{sub v}(scale length of rotation velocity), for toroidal flow values of the order of ion thermal velocity. Toroidal plasma rotation effects on the trapped ion instabilities in tokamaks are investigated in the context of local theory. Toroidal plasma rotation increases both the fraction of trapped particles and their precession drift velocity. Consequently, the growth rate of trapped ion instability increases in both dissipative and collisionless regimes.

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Pages: (20 p)

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OSTI; NTIS; INIS; GPO Dep.

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  • Other: DE92015163
  • Report No.: PPPL-2843
  • Grant Number: AC02-76CH03073
  • DOI: 10.2172/5257144 | External Link
  • Office of Scientific & Technical Information Report Number: 5257144
  • Archival Resource Key: ark:/67531/metadc1064720

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  • June 1, 1992

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  • Feb. 4, 2018, 10:51 a.m.

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  • May 11, 2018, 6:32 p.m.

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Hahm, T.S. Trapped particle dynamics in toroidally rotating plasmas, report, June 1, 1992; New Jersey. (digital.library.unt.edu/ark:/67531/metadc1064720/: accessed July 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.