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Wang, H. Q. [Author]; Xu, G. S. [Author]; Naulin, V. [Author]; Nielsen, A. H. [Author]; Rasmussen, J. Juul [Author]; Candy, J. [Author]; Bravenec, R. [Author]; Sun, Y. W. [Author]; Shi, T. H. [Author]; Liang, Yunfeng [Author]; Chen, R. [Author]; Zhang, W. [Author]; Wan, B. N. [Author]; Wang, L. [Author]; Chen, L. [Author]; Zhao, N. [Author]; Li, Y. L. [Author]; Liu, Y. L. [Author]; Hu, G. H. [Author]; Gong, X. Z. [Author]; Ding, S. Y. [Author]; Guo, H. Y. [Author]; Shao, L. M. [Author]; Liu, S. C. [Author]; [...]

New Edge Coherent Mode Providing Continuous Transport in Long-Pulse H-mode Plasmas

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  • Media type: E-Article
  • Title: New Edge Coherent Mode Providing Continuous Transport in Long-Pulse H-mode Plasmas
  • Contributor: Wang, H. Q. [Author]; Xu, G. S. [Author]; Naulin, V. [Author]; Nielsen, A. H. [Author]; Rasmussen, J. Juul [Author]; Candy, J. [Author]; Bravenec, R. [Author]; Sun, Y. W. [Author]; Shi, T. H. [Author]; Liang, Yunfeng [Author]; Chen, R. [Author]; Zhang, W. [Author]; Wan, B. N. [Author]; Wang, L. [Author]; Chen, L. [Author]; Zhao, N. [Author]; Li, Y. L. [Author]; Liu, Y. L. [Author]; Hu, G. H. [Author]; Gong, X. Z. [Author]; Ding, S. Y. [Author]; Guo, H. Y. [Author]; Shao, L. M. [Author]; Liu, S. C. [Author]; [...]
  • Published: APS, 2014
  • Published in: Physical review letters 112(18), 185004 (2014). doi:10.1103/PhysRevLett.112.185004
  • Language: English
  • DOI: https://doi.org/10.1103/PhysRevLett.112.185004
  • ISSN: 0031-9007; 1079-7114; 1092-0145
  • Origination:
  • Footnote: Diese Datenquelle enthält auch Bestandsnachweise, die nicht zu einem Volltext führen.
  • Description: An electrostatic coherent mode near the electron diamagnetic frequency (20–90 kHz) is observed in the steep-gradient pedestal region of long pulse H-mode plasmas in the Experimental Advanced Superconducting Tokamak, using a newly developed dual gas-puff-imaging system and diamond-coated reciprocating probes. The mode propagates in the electron diamagnetic direction in the plasma frame with poloidal wavelength of ∼8 cm. The mode drives a significant outflow of particles and heat as measured directly with the probes, thus greatly facilitating long pulse H-mode sustainment. This mode shows the nature of dissipative trapped electron mode, as evidenced by gyrokinetic turbulence simulations.
  • Access State: Open Access