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作者:X. Garbet , Y. Sarazin ...
来源:[J].Computer Physics Communications(IF 3.078), 2018
摘要:Abstract(#br)A linearized multi-species collision operator valid for arbitrary masses and charges has been developed and implemented in the gyrokinetic code GYSELA (Grandgirard et al., 2016). This operator has all the required properties : it conserves particles, total momen...
作者:X. Garbet , Ph. Ghendrih ...
来源:[J].Computer Physics Communications(IF 3.078), 2016, Vol.207, pp.35-68
摘要:Abstract(#br)This paper addresses non-linear gyrokinetic simulations of ion temperature gradient (ITG) turbulence in tokamak plasmas. The electrostatic Gysela code is one of the few international 5D gyrokinetic codes able to perform global, full- f and flux-driven simulations. It...
作者:X. Garbet , G. Falchetto
来源:[J].Physics Letters A(IF 1.766), 2008, Vol.372 (45), pp.6750-6756
摘要:Abstract(#br)Dispersion relations for geodesic acoustic modes are derived by using the Grad hydrodynamic equations thereby reconciling long known but not previously explained discrepancy between the results of kinetic and fluid calculations. Extended fluid theory allows a si...
作者:X. Garbet , V. Grangirard ...
来源:[J].Journal of Nuclear Materials(IF 1.211), 2007, Vol.363-365, pp.581-585
摘要:Abstract(#br)Turbulence spreading, namely turbulent transport extending into a stable region is reported both for the flat density profiles in the far SOL and into a modeled H-mode barrier. It is shown that due to turbulence penetration, the pedestal width fluctuates and that its...
作者:X. Garbet , V. Grandgirard ...
来源:[J].Journal of Nuclear Materials(IF 1.211), 2009, Vol.390, pp.347-350
摘要:Abstract(#br)The issue of parallel flows asymmetries in the edge plasma is tackled with a new first principle transport and turbulence code. TOKAM-3D is a 3D full-torus fluid code that can be used both in diffusive and turbulent regimes and covers either exclusively closed flux s...
作者:X. Garbet , V. Grandgirard ...
来源:[J].Journal of Nuclear Materials(IF 1.211), 2003, Vol.313, pp.796-803
摘要:Abstract(#br)Turbulence in the scrape-off layer (SOL) is investigated using a 2D fluid model for the interchange instability as a paradigm. A constant driving flux governs the dynamics of both the equilibrium and fluctuating parts of the density and electric potential. The t...
作者:... C. Figarella , X. Garbet , P. Monier-Garbet
来源:[J].Journal of Nuclear Materials(IF 1.211), 2003, Vol.313, pp.914-918
摘要:Abstract(#br)Numerical analysis of the images in visible light from the JET tangential camera show that the edge localised mode (ELM) events are characterised by impacts on the low-field side components. The increase of emission is not restricted to the components closest to the ...
作者:... E. Fleurence , X. Garbet , V. Grandgirard
来源:[J].Journal of Nuclear Materials(IF 1.211), 2005, Vol.337-339, pp.342-346
摘要:Abstract(#br)Cross-field transport in the SOL influences tokamak performance in particular regarding the divertor efficiency. Recent experiment evidence emphasizes non-exponential and/or flat SOL profiles that suggest a large perpendicular transport. A 2D fluid model based on the...
作者:X. Garbet , G. Antar ...
来源:[J].Journal of Nuclear Materials(IF 1.211), 2001, Vol.290, pp.584-587
摘要:Abstract(#br)The effect of the ergodic divertor on the plasma edge in Tore Supra is to enhance the perpendicular transport through ergodization of the magnetic field lines [Ph. Ghendrih et al., Contrib. Plasma Phys. 32 (3&4) (1992) 179]. Nevertheless, the hot spots observed ...
作者:X. Garbet , Y. Sarazin ...
来源:[J].Journal of Computational Physics(IF 2.138), 2009, Vol.229 (2), pp.361-378
摘要:Abstract(#br)We present a new code aiming at giving a global and coherent approach for transport and turbulence issues in the edge plasma of Tokamaks. The TOKAM-3D code solves 3D fluid drift equations in full-torus geometry including both closed field lines and SOL physics. No sc...

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