Bounce averaged trapped electron fluid equations for plasma turbulence

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Description

A novel set of nonlinear fluid equations for mirror-trapped electrons is developed which differs from conventional fluid equations in two main respects: (1) the trapped-fluid moments average over only two of three velocity space dimensions, retaining the full pitch angle dependence of the traped electron dynamics, and (2) closure approximations include the effects of collisionless wave-particle resonances with the toroidal precession drift. By speeding up calculations by at least {radical} m{sub i}/m{sub e}, these bounce averaged fluid equations make possible realistic nonlinear simulations of turbulent particle transport and electron heat transport in tokamaks and other magnetically confined plasmas.

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11 p.

Creation Information

Beer, M.A. & Hammett, G. May 1, 1996.

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Description

A novel set of nonlinear fluid equations for mirror-trapped electrons is developed which differs from conventional fluid equations in two main respects: (1) the trapped-fluid moments average over only two of three velocity space dimensions, retaining the full pitch angle dependence of the traped electron dynamics, and (2) closure approximations include the effects of collisionless wave-particle resonances with the toroidal precession drift. By speeding up calculations by at least {radical} m{sub i}/m{sub e}, these bounce averaged fluid equations make possible realistic nonlinear simulations of turbulent particle transport and electron heat transport in tokamaks and other magnetically confined plasmas.

Physical Description

11 p.

Notes

INIS; OSTI as DE96010511

Source

  • Other Information: PBD: May 1996

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  • Other: DE96010511
  • Report No.: PPPL--3176
  • Grant Number: AC02-76CH03073
  • DOI: 10.2172/238593 | External Link
  • Office of Scientific & Technical Information Report Number: 238593
  • Archival Resource Key: ark:/67531/metadc669832

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • May 1, 1996

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • April 15, 2016, 7:04 p.m.

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Beer, M.A. & Hammett, G. Bounce averaged trapped electron fluid equations for plasma turbulence, report, May 1, 1996; Princeton, New Jersey. (digital.library.unt.edu/ark:/67531/metadc669832/: accessed September 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.