Transport of Parallel Momentum by Toroidal Ion Temperature Gradient Instability near Marginality

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The turbulent angular momentum flux carried by ions resonant with toroidal ion temperature gradient(ITG) instability is calculated via quasilinear calculation using the phase-space conserving gyrokinetic equation in the laboratory frame. The results near ITG marginality indicate that the inward turbulent equipartition (TEP) momentum pinch [Hahm T.S. et al 2007 Phys. Plasmas 14 072302] remains as the most robust part of pinch. In addition, ion temperature gradient driven momentum flux is inward for typical parameters, while density gradient driven momentum flux is outward as in the previous kinetic result in slab geometry [Diamond P.H. et al 2008 Phys. Plasmas 15 012303].

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Yoon, E. S. & Hahm, T. S. October 20, 2009.

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The turbulent angular momentum flux carried by ions resonant with toroidal ion temperature gradient(ITG) instability is calculated via quasilinear calculation using the phase-space conserving gyrokinetic equation in the laboratory frame. The results near ITG marginality indicate that the inward turbulent equipartition (TEP) momentum pinch [Hahm T.S. et al 2007 Phys. Plasmas 14 072302] remains as the most robust part of pinch. In addition, ion temperature gradient driven momentum flux is inward for typical parameters, while density gradient driven momentum flux is outward as in the previous kinetic result in slab geometry [Diamond P.H. et al 2008 Phys. Plasmas 15 012303].

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594Kb

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  • Report No.: PPPL-4467
  • Grant Number: DE-ACO2-09CH11466
  • DOI: 10.2172/968005 | External Link
  • Office of Scientific & Technical Information Report Number: 968005
  • Archival Resource Key: ark:/67531/metadc927323

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  • October 20, 2009

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 13, 2016, 7:36 p.m.

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Yoon, E. S. & Hahm, T. S. Transport of Parallel Momentum by Toroidal Ion Temperature Gradient Instability near Marginality, report, October 20, 2009; Princeton, New Jersey. (digital.library.unt.edu/ark:/67531/metadc927323/: accessed December 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.