Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Navarro, Alejandro Banon"'
Autor:
Wilms, Felix, Navarro, Alejandro Bañón, Windisch, Thomas, Bozhenkov, Sergey, Warmer, Felix, Fuchert, Golo, Ford, Oliver, Zhang, Daihong, Stange, Torsten, Jenko, Frank, Team, the W7-X
We present the first nonlinear, gyrokinetic, radially global simulation of a discharge of the Wendelstein 7-X-like stellarator (W7-X), including kinetic electrons, an equilibrium radial electric field, as well as electromagnetic and collisional effec
Externí odkaz:
http://arxiv.org/abs/2402.14403
Autor:
Di Siena, Alessandro, Merlo, Gabriele, Navarro, Alejandro Banon, Goerler, Tobias, Jenko, Frank
Gyrokinetic simulations conducted by Mazzi et al. reveal the suppression of turbulence in fusion plasmas through the destabilization of Toroidal Alfv\'en Eigenmodes (TAEs) by megaelectronvolt ions. Our analysis demonstrates that the authors' numerica
Externí odkaz:
http://arxiv.org/abs/2306.10780
Publikováno v:
J. Plasma Phys. 87 (2021) 905870209
In the present paper, we use a coarse-graining approach to investigate the nonlinear redistribution of free energy in both position and scale space for weakly collisional magnetised plasma turbulence. For this purpose, we use high-resolution numerica
Externí odkaz:
http://arxiv.org/abs/2005.10166
Publikováno v:
Phys. Rev. Lett. 125, 105002 (2020)
Turbulent transport is known to limit the plasma confinement of present-day optimized stellarators. To address this issue, a novel method to strongly suppress turbulence in such devices is proposed, namely the resonant wave-particle interaction of su
Externí odkaz:
http://arxiv.org/abs/2003.00288
We employ magnetized plasma turbulence, described by a gyrokinetic formalism in an interval ranging from the end of the fluid scales to the electron gyroradius, to introduce the first study of kinetic intermittency, in which nonlinear structures form
Externí odkaz:
http://arxiv.org/abs/1607.03421
For a Z-pinch geometry, we report on the nonlinear redistribution of free energy across scales perpendicular to the magnetic guide field, for a turbulent plasma described in the framework of gyrokinetics. The analysis is performed using a local flux-
Externí odkaz:
http://arxiv.org/abs/1512.06058
In magnetized plasma turbulence, the couplings of perpendicular spatial scales that arise due to the nonlinear interactions are analyzed from the perspective of the free-energy exchanges. The plasmas considered here, with appropriate ion or electron
Externí odkaz:
http://arxiv.org/abs/1404.2080
The nature of the nonlinear interactions in gyrokinetic (GK) turbulence, driven by an ion-temperature gradient instability, is investigated using numerical simulations of single ion species plasma in three-dimensional flux tube geometry. To account f
Externí odkaz:
http://arxiv.org/abs/1202.6160
Autor:
Morel, Pierre, Navarro, Alejandro Bañón, Albrecht-Marc, Michel, Carati, Daniele, Merz, Florian, Görler, Tobias, Jenko, Frank
Publikováno v:
Phys. Plasmas 19, 012311 (2012)
Large Eddy Simulations (LES) of gyrokinetic plasma turbulence are investigated as interesting candidates to decrease the computational cost. A dynamic procedure is implemented in the GENE code, allowing for dynamic optimization of the free parameters
Externí odkaz:
http://arxiv.org/abs/1110.0747
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