Simulation of ion temperature gradient turbulence in tokamaks

Ion temperature gradient driven turbulence with strong trapped ion resonance

Gyrokinetic Particle-In-Cell Global Simulations of Ion-Temperature-Gradient and Collisionless-Trapped- Electron-Mode Turbulence in Tokamaks

The goal of thermonuclear fusion research is to provide power plants, that will be able to produce one gigawatt of electricity. Among the different ways to achieve fusion, the tokamak, based on magnetic confinement, is the most promising one. A gas is heated up to hundreds of millions of degrees and becomes a plasma, which is maintained or confined in a toroidal vessel by helical magnetic field...

Momentum transport in the vicinity of qmin in reverse shear tokamaks due to ion temperature gradient turbulence

due to ion temperature gradient turbulence Rameswar Singh, R Singh, Hogun Jhang, and P. H. Diamond Institute for Plasma Research, Bhat, Gandhinagar 382 428, India Laboratoire de Physique des Plasmas, Ecole Polytechnique route de Saclay, 91128 Palaiseau Cedex, France WCI Center for Fusion Theory, National Fusion Research Institute, Daejeon 305-333, South Korea Center for Momentum Transport and F...

Global gyrokinetic simulation of ion temperature gradient driven turbulence in plasmas with canonical Maxwellian distribution

A global gyrokinetic toroidal particle code for a 3D nonlinear simulation (GT3D) has been developed to study the ion temperature gradient driven-trapped electron mode (ITG-TEM) turbulence in reactor relevant tokamak parameters [1]. In GT3D, gyrokinetic ions and drift-kinetic (trapped) electrons are solved using a finite-element PIC method. The code uses a new δf method based on a canonical Maxw...

Critically balanced ion temperature gradient turbulence in fusion plasmas.

Scaling laws for ion temperature gradient driven turbulence in magnetized toroidal plasmas are derived and compared with direct numerical simulations. Predicted dependences of turbulence fluctuation amplitudes, spatial scales, and resulting heat fluxes on temperature gradient and magnetic field line pitch are found to agree with numerical results in both the driving and inertial ranges. Evidenc...