Simulation of high-harmonic fast-wave heating on the national spherical tokamak experiment

David L. Green, Erwin F. Jaeger, Guangye Chen, Lee A. Berry, David Pugmire, John M. Canik, Philip M. Ryan

Research output: Contribution to journalArticlepeer-review

Abstract

Images associated with radio-frequency heating of low-confinement mode plasmas in the National Spherical Tokamak Experiment, as calculated by computer simulation, are presented. The AORSA code has been extended to simulate the whole antenna-to-plasma heating system by including both the kinetic physics of the well-confined core plasma and a poorly confined scrape-off plasma and vacuum vessel structure. The images presented show the 3-D electric wave field amplitude for various antenna phasings. Visualization of the simulation results in 3-D makes clear that -30° phasing excites kilo-volt per meter coaxial standing modes in the scrape-off plasma and shows magnetic-field-aligned whispering-gallery type modes localized to the plasma edge.

Original languageEnglish
Article number5960794
Pages (from-to)3020-3021
Number of pages2
JournalIEEE Transactions on Plasma Science
Volume39
Issue number11 PART 1
DOIs
StatePublished - Nov 2011

Funding

Manuscript received December 1, 2010; revised June 8, 2011; accepted June 16, 2011. Date of publication July 25, 2011; date of current version November 9, 2011. This work was supported by the U.S. DOE under Contract DE-AC05-00OR22725 with UT-Battelle, LLC.

Keywords

  • Electromagnetic propagation in plasma media
  • plasma heating
  • plasma waves
  • simulation

Fingerprint

Dive into the research topics of 'Simulation of high-harmonic fast-wave heating on the national spherical tokamak experiment'. Together they form a unique fingerprint.

Cite this