Calculation of rf current drive in tokamaks Combined RF current drive and bootstrap current in tokamaks Calculation of rf current drive in tokamaks

  • Peysson Y
  • Decker J
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Abstract

The toroidal plasma current is a key parameter for controlling MHD stability and fusion performances in tokamaks. Among the various methods for driving current, rf waves are a flexible and powerful tool. Therefore, their role in the design and optimization of advanced scenarios is considerable. The universal ray-tracing code C3P0 coupled with the fully implicit linearized 3-D bounce-averaged relativistic electron Fokker-Planck solver LUKE is an illustration of the present day effort for performing fast and realistic calculations of the rf driven plasma current. The versatility of this tool is highlighted by simulations concerning the lower hybrid and electron cyclotron waves.

Author-supplied keywords

  • Electron cyclotron waves
  • Lower Hybrid waves
  • arbitrary magnetic equilibrium
  • quasilinear self-consistency
  • ray-tracing
  • rf current drive

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Authors

  • Y Peysson

  • J Decker

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