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Full text (en) Effect of destabilized Alfven eigenmodes on alpha particles in a Helias reactor
Ya. I. Kolesnichenko1, V. V. Lutsenko1, H. Wobig2, Yu. V. Yakovenko1
1Institute for Nuclear Research of the National Academy of Sciences of Ukraine
2Max-Planck Institut für Plasmaphysik, IPP-EURATOM Association, Garching bei München, Germany
Abstract: The upper limits of the local energy losses of circulating α-particles caused by the various instabilities of Alfvén eigenmodes in a four-period Helias reactor are evaluated. It is found that certain destabilized Alfvén eigenmodes will affect only alphas with the energy well below 3.5 MeV, which seems to open a possibility to remove the helium ash by exciting the corresponding Alfvén eigenmodes by either energetic particles or an antenna system.
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