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A model for the fast evaluation of prompt losses of energetic ions in stellarators

  • J. L. Velasco
  • , I. Calvo
  • , S. Mulas
  • , E. Sánchez
  • , F. I. Parra
  • , A. Cappa

Research output: Contribution to journalArticlepeer-review

Abstract

A good understanding of the confinement of energetic ions in non-axisymmetric magnetic fields is key for the design of reactors based on the stellarator concept. In this work, we develop a model that, based on the radially-local bounce-averaged drift-kinetic equation, classifies orbits and succeeds in predicting configuration-dependent aspects of the prompt losses of energetic ions in stellarators. Such a model could in turn be employed in the optimization stage of the design of new devices.

Original languageEnglish (US)
Article number116059
JournalNuclear Fusion
Volume61
Issue number11
DOIs
StatePublished - Nov 2021
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Condensed Matter Physics

Keywords

  • energetic particles
  • neoclassical theory
  • optimization
  • stellarators

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