On the Theory of ICR Heating by the Magnetic Beach Method
- Авторлар: Timofeev A.V.1, Gospodchikov E.D.2
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Мекемелер:
- National Research Center “Kurchatov Institute”
- Institute of Applied Physics, Russian Academy of Sciences
- Шығарылым: Том 45, № 8 (2019)
- Беттер: 741-752
- Бөлім: Methods of Plasma Heating
- URL: https://journals.rcsi.science/1063-780X/article/view/187206
- DOI: https://doi.org/10.1134/S1063780X19080105
- ID: 187206
Дәйексөз келтіру
Аннотация
Current interest in ion cyclotron resonance (ICR) heating by the magnetic beach method is motivated by the experiments carried out with the VASIMR plasma thruster. The method implies excitation of Alfvén eigenmodes of a plasma column (or a plasma jet in the case of plasma thruster) outside the ICR zone. In the present work, it is shown that, under conditions typical of, e.g., plasma thrusters, most of the electromagnetic energy deposited in the plasma can be transferred to the so-called Alfvén continuum, rather than to the discrete spectrum of Alfvén eigenmodes. Due to the phenomenon of the Alfvén resonance, continuous-spectrum oscillations transform into short-wavelength lower hybrid oscillations, which differ from the Alfvén oscillations in their polarization. These oscillations efficiently interact with electrons, thereby heating them.
Авторлар туралы
A. Timofeev
National Research Center “Kurchatov Institute”
Хат алмасуға жауапты Автор.
Email: Timofeev_AV@nrcki.ru
Ресей, Moscow, 123098
E. Gospodchikov
Institute of Applied Physics, Russian Academy of Sciences
Хат алмасуға жауапты Автор.
Email: egos@appl.sci-nnov.ru
Ресей, Nizhny Novgorod, 603950
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