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Abstract <p>A new ray tracing code, Fast_mp_ECH_startup, for calculating the multipass electron cyclotron (EC) absorption of injected radiation in plasma at the initial stage of discharge in tokamaks has been presented. For conditions close to the initial stage of discharge in tokamak reactors, the EC absorption efficiency calculated by the new code has been compared with calculations using the ray-tracing code GENRAY and with calculations based on the model of isotropic and homogeneous mixing of the injected radiation after one or more reflections from the vacuum chamber wall.</p>

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Modeling of Electron Cyclotron Absorption of Injected Radiation in Plasma at the Initial Stage of Discharge in Tokamaks

  • 期刊论文

  • 发表日期：

    2025年7月1日

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  • P. V. Minashin,
  • D. R. Filipenko,
  • A. B. Kukushkin

摘要

Abstract

A new ray tracing code, Fast_mp_ECH_startup, for calculating the multipass electron cyclotron (EC) absorption of injected radiation in plasma at the initial stage of discharge in tokamaks has been presented. For conditions close to the initial stage of discharge in tokamak reactors, the EC absorption efficiency calculated by the new code has been compared with calculations using the ray-tracing code GENRAY and with calculations based on the model of isotropic and homogeneous mixing of the injected radiation after one or more reflections from the vacuum chamber wall.