Studies of the fast ion energy spectra in TJ-II

Journal Article · Fri Feb 15 00:00:00 EST 2013 · Physics of Plasmas

DOI:https://doi.org/10.1063/1.4793731· OSTI ID:22113450

Bustos, A. ^[1]; Fontdecaba, J. M.; Arevalo, J. ^[1]; Castejon, F.; Velasco, J. L. ^[1]; Tereshchenko, M. ^[2]

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1. Laboratorio Nacional de Fusion, EURATOM-CIEMAT, 28040 Madrid (Spain)
2. Instituto de Biocomputacion y Fisica de los Sistemas Complejos (BIFI), Universidad de Zaragoza, 50018 Zaragoza (Spain)

The dynamics of the neutral beam injection fast ions in the TJ-II stellarator is studied in this paper from both the theoretical and experimental points of view. The code Integrator of Stochastic Differential Equations for Plasmas (ISDEP) is used to estimate the fast ion distribution function in 3D:1D in real space and 2D in velocity space, considering the 3D structure of TJ-II, the electrostatic potential, non turbulent collisional transport, and charge exchange losses. The results of ISDEP are compared with the experimental data from the compact neutral particle analyzer, which measures the outgoing neutral flux spectra in the energy range E Element-Of (1-45) keV.

• OSTI ID: 22113450
• Journal Information: Physics of Plasmas, Vol. 20, Issue 2; Other Information: (c) 2013 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 1070-664X
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
CHARGE EXCHANGE
DIFFERENTIAL EQUATIONS
DISTRIBUTION FUNCTIONS
ENERGY SPECTRA
IONS
KEV RANGE
MONTE CARLO METHOD
NEUTRAL PARTICLE ANALYZERS
PLASMA BEAM INJECTION
PLASMA CONFINEMENT
PLASMA DIAGNOSTICS
STELLARATORS
STOCHASTIC PROCESSES
TJ-II HELIAC