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作者:J. Citrin , C. Bourdelle ...
来源:[J].Nuclear Fusion(IF 2.734), 2020, Vol.60 (4)IOP
摘要:Core turbulent particle transport with multiple isotopes can display observable differences in behaviour between the electron and ion particle channels. Experimental observations at JET with mixed H-D plasmas and varying NBI and gas-puff sources (Maslov et al 2018 Nucl. Fusion 7 ...
作者:J. Citrin , A. Ho ...
来源:[J].Nuclear Fusion(IF 2.734), 2019, Vol.59 (8)IOP
摘要:Predictability of burning plasmas is a key issue for designing and building credible future fusion devices. In this context, an important effort of physics understanding and guidance is being carried out in parallel to JET experimental campaigns in H and D by performing anal...
作者:J. Citrin , M. Marin ...
来源:[J].Nuclear Fusion(IF 2.734), 2018, Vol.58 (7)IOP
摘要:In ion-temperature-gradient (ITG) driven turbulence, the resonance condition leads to ion particle turbulent transport coefficients significantly larger than electron particle turbulent transport coefficients. This is shown in nonlinear gyrokinetic simulations and explained by an...
作者:J. Citrin , C. Bourdelle ...
来源:[J].Nuclear Fusion(IF 2.734), 2018, Vol.58 (7)IOP
摘要:Particle transport in tokamak plasmas has been intensively studied in the past, particularly in relation to density peaking and the presence of anomalous inward particle convection in L- and H-modes. While in the L-mode case the presence of the anomalous inward pinch has pre...
作者:J. Citrin , A.A. Teplukhina ...
来源:[J].Nuclear Fusion(IF 2.734), 2018, Vol.58 (9)IOP
摘要:The RAPTOR code is a control-oriented core plasma profile simulator with various applications in control design and verification, discharge optimization and real-time plasma simulation. To date, RAPTOR was capable of simulating the evolution of poloidal flux and electron tem...
作者:J. Citrin , C. Giroud ...
来源:[J].Nuclear Fusion(IF 2.734), 2018, Vol.58 (2)IOP
摘要:A set of experiments was carried out in JET ILW (Joint European Torus with ITER-Like Wall) L-mode plasmas in order to study the effects of light impurities on core ion thermal transport. N was puffed into some discharges and its profile was measured by active Charge Exchange diag...
作者:J. Citrin , Y. Baranov ...
来源:[J].Nuclear Fusion(IF 2.734), 2018, Vol.58 (9)IOP
摘要:For the first time, over five confinement times, the self-consistent flux driven time evolution of heat, momentum transport and particle fluxes of electrons and multiple ions including Tungsten (W) is modeled within the integrated modeling platform JETTO (Romanelli et al 201...
作者:J. Citrin , F. Auriemma ...
来源:[J].Nuclear Fusion(IF 2.734), 2019, Vol.59 (5)IOP
摘要:This paper outlines an approach towards improved rigour in tokamak turbulence transport model validation within integrated modelling. Gaussian process regression (GPR) techniques were applied for profile fitting during the preparation of integrated modelling simulations allo...
作者:J. Citrin , T. Goerler ...
来源:[J].Nuclear Fusion(IF 2.734), 2018, Vol.58 (12)IOP
摘要:Experimental observations in JET tokamak plasmas and gyrokinetic simulations point to an important role, for electron heat transport, of electron-scale instabilities and of their interaction with ion-scale instabilities. Since these effects are maximized for strong electron heati...
作者:J. Citrin , G.M.D. Hogeweij ...
来源:[J].Nuclear Fusion(IF 2.734), 2019, Vol.59 (1)IOP
摘要:Neoclassical and turbulent heavy impurity transport in tokamak core plasmas are determined by main ion temperature, density and toroidal rotation profiles. Thus, in order to understand and prevent experimental behaviour of W accumulation, flux-driven integrated modelling of main ...

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