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Mancha3D Code: Multipurpose Advanced Nonideal MHD Code for High-Resolution Simulations in Astrophysics. [PDF]
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On the 2D dynamics of the magnetoacoustic cyclotron instability driven by fusion-born ions
Physics of Plasmas, 2021In this work, we present advances in the numerical modeling of the non-linear magnetoacoustic cyclotron instability (MCI) in relation to ion cyclotron emission (ICE) in fusion plasmas. We present the results of first 2D hybrid simulations of the MCI showing that only when excited waves propagate obliquely to the background magnetic field, the ...
L Carbajal +2 more
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Finite banana width effect on magnetoacoustic cyclotron instability
Physics of Plasmas, 1995The finite banana width (FBW) effect on the coupling between magnetoacoustic waves and the near harmonic gyro-oscillations of the energetic ions/α particles in tokamaks are studied. The gyrokinetic equation with FBW effect is rederived for the energetic trapped ions.
Yan Ping Chen, Shih Tung Tsai
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The magnetoacoustic cyclotron instability of an extended shell distribution of energetic ions
Physics of Fluids B, 1993The magnetoacoustic cyclotron instability is a mechanism by which waves on the perpendicular fast Alfvén-ion Bernstein branch can be excited through cyclotron resonance with an energetic ion population. It is a candidate emission mechanism for the superthermal ion cyclotron radiation, apparently associated with the products of fusion reactions, that ...
R. O. Dendy +2 more
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Physics of Plasmas, 2014
The magnetoacoustic cyclotron instability (MCI) probably underlies observations of ion cyclotron emission (ICE) from energetic ion populations in tokamak plasmas, including fusion-born alpha-particles in JET and TFTR [Dendy et al., Nucl. Fusion 35, 1733 (1995)].
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The magnetoacoustic cyclotron instability (MCI) probably underlies observations of ion cyclotron emission (ICE) from energetic ion populations in tokamak plasmas, including fusion-born alpha-particles in JET and TFTR [Dendy et al., Nucl. Fusion 35, 1733 (1995)].
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Superthermal radiation from tokamak plasmas caused by cyclotron magnetoacoustic instability
Nuclear Fusion, 2000The electromagnetic power in the ion cyclotron frequency range radiated by a tokamak plasma with energetic ions is considered. It is found that the radiation may result from plasma fluctuations which are associated with the edge localized fast magnetoacoustic eigenmodes and strongly enhanced by interaction with the energetic ions.
Ya.I Kolesnichenko, M Lisak, D Anderson
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Edge-Localized Thermonuclear Magnetoacoustic-Cyclotron Instability in Tokamaks
Fusion Science and Technology, 1994The distribution function of fast alpha particles in a tokamak plasma near the outer circumference of the torus is obtained. Calculations are carried out for an axisymmetric tokamak for which the alpha-particle banana width is small in comparison with the plasma radius but sufficiently large to provide the presence of trapped alpha particles, produced ...
V. S. Belikov, Ya. I. Kolesnichenko
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Plasma Physics and Controlled Fusion, 2013
Ion cyclotron emission (ICE) is the only collective radiative instability, driven by confined fusion-born alpha-particles, observed from deuterium–tritium (DT) plasmas in both JET and TFTR. Using first principles particle-in-cell simulations of the magnetoacoustic cyclotron instability (MCI), we elucidate some of the fully kinetic nonlinear processes ...
Sandra C Chapman, Richard Dendy
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Ion cyclotron emission (ICE) is the only collective radiative instability, driven by confined fusion-born alpha-particles, observed from deuterium–tritium (DT) plasmas in both JET and TFTR. Using first principles particle-in-cell simulations of the magnetoacoustic cyclotron instability (MCI), we elucidate some of the fully kinetic nonlinear processes ...
Sandra C Chapman, Richard Dendy
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