A quasi-linear gyrokinetic transport model for tokamak plasmas

Details A quasi-linear gyrokinetic transport model for tokamak plasmas A quasi-linear gyrokinetic transport model for tokamak plasmas

2012-04-15

arxiv.org/abs/1204.3254v1

Physics

Plasma Physics

Ph.D. thesis, Universit\'e de Provence Aix-Marseille I and Commissariat \`a l'\'Energie Atomique

Scientific paper

The development of a quasi-linear gyrokinetic transport model for tokamak plasmas, ultimately designed to provide physically comprehensive predictions of the time evolution of the thermodynamic relevant quantities, is a task that requires tight links among theoretical, experimental and numerical studies. The framework of the model here proposed, which operates a reduction of complexity on the nonlinear self-organizing plasma dynamics, allows in fact multiple validations of the current understanding of the tokamak micro-turbulence. The main outcomes of this work stem from the fundamental steps involved by the formulation of such a reduced transport model, namely: (1) the verification of the quasi-linear plasma response against the nonlinearly computed solution, (2) the improvement of the turbulent saturation model through an accurate validation of the nonlinear codes against the turbulence measurements, (3) the integration of the quasi-linear model within an integrated transport solver.

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