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The MHD Stability of Global Modes and Fast Particle Confinement in a Quasi-Axisymmetric Tokamak–Stellarator Hybrid

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Abstract—

The compatibility of global MHD modes stability and good collisionless confinement of fast particles is studied in a quasi-axisymmetric tokamak–stellarator hybrid. It is shown that both of these requirements can be satisfied at a relative plasma pressure up to \(\left\langle \beta \right\rangle \) ~ 0.02.

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ACKNOWLEDGMENTS

We are grateful to Professors S. Günter and P. Helander for their support. We thank Carolin Nührenberg for technical help with using the CAS3D code.

Funding

This work was carried out for the Eurofusion consortium. It was supported by the Euratom research and training Work Program for 2014–2018 and 2019–2020 under Agreement no. 633053. The reasoning and opinions presented in this work do not necessarily reflect the position of the European commission.

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Authors and Affiliations

  1. National Research Center Kurchatov Institute, 123182, Moscow, Russia

    M. I. Mikhailov

  2. Max-Planck-Institut für Plasmaphysik, D-17491, Greifswald, Germany

    J. Nührenberg

  3. Max-Planck-Institut für Plasmaphysik, D-85748, Garching, Germany

    R. Zille

Authors
  1. M. I. Mikhailov
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  2. J. Nührenberg
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  3. R. Zille
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Correspondence to M. I. Mikhailov.

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Translated by E. Voronova

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Mikhailov, M.I., Nührenberg, J. & Zille, R. The MHD Stability of Global Modes and Fast Particle Confinement in a Quasi-Axisymmetric Tokamak–Stellarator Hybrid. Plasma Phys. Rep. 45, 1171–1176 (2019). https://doi.org/10.1134/S1063780X19120055

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  • DOI: https://doi.org/10.1134/S1063780X19120055

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