[PDF] Top 20 Dynamics of runaway electrons in tokamak plasmas
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Dynamics of runaway electrons in tokamak plasmas
... Abstract Runaway electrons can be generated in tokamak plasmas if the accelerating force from the toroidal electric field exceeds the collisional drag force owing to Coulomb collisions ... Voir le document complet
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An analysis of synchrotron radiation from relativistic electrons in the Alcator C-Mod tokamak
... Simulations of runaway electrons and synchrotron radiation Ultimately, the goal of this thesis is to infer properties of the runaway electron phase space distribution from ... Voir le document complet
258
Global confinement properties of Tokamak plasmas in global, flux-driven, gyrokinetic simulations
... boundary of GYSELA that mimics in shape an actual limiter and a first ...properties of the Scrape-Off Layer (SOL) region with adiabatic electrons, including in particular the parallel ... Voir le document complet
136
Nonlocal dynamics of Turbulence, Transport and Zonal Flows in Tokamak Plasmas
... Interestingly, in a global, full-f and flux-driven (statistical) system, the dynamics of the mean background profiles provides the turbulence with another efficient channel for regulation, especially ... Voir le document complet
9
Contribution of kinetic electrons in Tokamak plasmas
... fusion plasmas by magnetic connement, develop turbulent struc- tures with milli-centimetric ...performance. In unimproved connement regimes, ion-scale turbulence generally dominates this ...class ... Voir le document complet
197
Edge turbulence effect on ultra-fast swept reflectometry core measurements in tokamak plasmas
... Tore-Supra tokamak profile have shown the strong in fluence of the edge turbulence on core reflecto- metry ...This in fluence is expected to be even stronger in a large scale future devices ... Voir le document complet
11
Runaway stars
... Runaway stars are stars that are moving unusually quickly. An average star orbits the core of its galaxy up to speeds of 100 kilometres a second. A runaway star may move at twice that speed or ... Voir le document complet
2
Width of turbulent SOL in circular plasmas: a theoretical model validated on experiments in Tore Supra tokamak
... flux in the SOL ...narrower in low field side (LFS) than in HFS limited configurations [8], which is explained by a strong enhancement of the radial par- ticle flux at the LFS outer ...found ... Voir le document complet
8
Integrated equilibrium reconstruction and MHD stability analysis of tokamak plasmas in the EU-IM platform
... [2] CNRS Laboratoire J.A.Dieudonné, Université de Nice-Sophia-Antipolis, Nice 06108 CEDEX 02, France [3] ENEA for EUROfusion, via E. Fermi 45, 00044 Frascati (Roma), Italy [4] Department of Physics, University ... Voir le document complet
7
Multi-experiment state-space identification of coupled magnetic and kinetic parameters in tokamak plasmas
... model of the coupled evolution of the q-profile and the electron temperature profile that can be used in a real-time control algorithm with minimum CPU time is the main goal of this ... Voir le document complet
16
The impact of two-fluid MHD instabilities on the transport of impurity in tokamak plasmas
... Summary In this chapter, compound sawteeth have been studied with the XTOR-2F ...simulations of sawtoothing cycles show that q-proles are at in the core region after a sawtooth crash, with q & ... Voir le document complet
141
Edge Localized Mode control by Resonant Magnetic Perturbations in tokamak plasmas
... Je tiens ensuite à remercier chaleureusement Marina Bécoulet de m'avoir pris tout petit comme stagiaire puis comme thésard, et de m'avoir encadré comme une Maman exigente et bienveillante. C'était très agréable et ... Voir le document complet
193
Dust remobilization from rough planar surfaces in tokamak steady-state plasmas
... role in the impurity balance of fusion plasmas [1] ...assessment of the forces acting on a dust grain adhered onto a planar surface is critical for the understanding of dust ... Voir le document complet
6
Modelling the turbulent transport of angular momentum in tokamak plasmas - A quasi-linear gyrokinetic approach
... Le confinement magnétique dans les tokamaks est à l’heure actuelle la voie la plus avancée pour produire de l’énergie par fusion thermonucléaire. Des études théoriques et expérimentales ont montré que la génération de ... Voir le document complet
119
3D structure and dynamics of filaments in turbulence simulations of WEST diverted plasmas
... effect of a diverted magnetic geometry on edge plasma turbulence, focusing on the three-dimensional structure and dynamics of filaments, also called blobs, in simulations of the WEST ... Voir le document complet
26
IMPURITY TRANSPORT AND ITS MODIFICATION BY MHD IN TOKAMAK PLASMAS, WITH APPLICATION TO TUNGSTEN IN WEST
... • This fully determines the self-consistent asymmetry when the ion and electric potential asymmetries can be neglected (the formula can be extended in these cases). • Characteristics of the asymmetry circle ... Voir le document complet
2
The role of hot electrons in the dynamics of a laser-driven strong converging shock
... proposed in Ref. [ 11 ] of estimating the shock pressure by changing the ux limiter in the case with hot electrons leads to a signicant overestimate of the shock pressure and ablation ... Voir le document complet
13
Champ électrique radial dans les plasmas de tokamak non axi-symétrique: étude par réflectométrie Doppler
... producing plasmas mainly heated by fusion reactions bet- ween Tritium and Deuterium ...problem of turbulent transport, which is one of the main limiting factors in the performance of ... Voir le document complet
239
X-ray study of bow shocks in runaway stars
... summary of the observations is given in Table 2 ...operated in the Full Frame mode with the medium filter to reject optical ...point of all observations was set to the position of the ... Voir le document complet
15
An analytic model for the collisional transport and poloidal asymmetry distribution of impurities in tokamak plasmas
... representative of δ φ variation, varies up to 0.3, a value that is typical in experimental situations ...dependence of the neoclassical velocity pinch, diffusion coefficient and asymmetry parameters ... Voir le document complet
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