Microtearing Instability In The ITER Pedestal

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Description

Unstable microtearing modes are discovered by the GS2 gyrokinetic siimulation code, in the pedestal region of a simulated ITER H-mode plasma with approximately 400 WM DT fusion power. Existing nonlinear theory indicates that these instabilities should produce stochastic magnetic fields and broaden the pedestal. The resulted electron thermal conductivity is estimated and the implications of these findings are discussed.

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5.51MB

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Wong, K. L.; Mikkelsen, D. R.; Rewoldt, G. M. & Budny, R. December 1, 2010.

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Description

Unstable microtearing modes are discovered by the GS2 gyrokinetic siimulation code, in the pedestal region of a simulated ITER H-mode plasma with approximately 400 WM DT fusion power. Existing nonlinear theory indicates that these instabilities should produce stochastic magnetic fields and broaden the pedestal. The resulted electron thermal conductivity is estimated and the implications of these findings are discussed.

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5.51MB

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  • Nuclear Fusion (December 2010)

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  • Report No.: PPPL-4579
  • Grant Number: DE-ACO2-09CH11466
  • Office of Scientific & Technical Information Report Number: 1001670
  • Archival Resource Key: ark:/67531/metadc833718

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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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Creation Date

  • December 1, 2010

Added to The UNT Digital Library

  • May 19, 2016, 3:16 p.m.

Description Last Updated

  • June 30, 2016, 6:42 p.m.

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Wong, K. L.; Mikkelsen, D. R.; Rewoldt, G. M. & Budny, R. Microtearing Instability In The ITER Pedestal, report, December 1, 2010; Princeton, New Jersey. (https://digital.library.unt.edu/ark:/67531/metadc833718/: accessed May 21, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.