Particle transport in tokamak plasmas, theory and experiment

C Angioni, E Fable, M Greenwald… - Plasma Physics and …, 2009 - iopscience.iop.org
The physical processes producing electron particle transport in the core of tokamak plasmas
are described. Starting from the gyrokinetic equation, a simple analytical derivation is used …

Physics of transport in tokamaks

X Garbet, P Mantica, C Angioni, E Asp… - Plasma Physics and …, 2004 - iopscience.iop.org
This paper is an overview of recent results relating to turbulent particle and heat transport,
and to the triggering of internal transport barriers (ITBs). The dependence of the turbulent …

Impact of plasma triangularity and collisionality on electron heat transport in TCV L-mode plasmas

Y Camenen, A Pochelon, R Behn, A Bottino… - Nuclear …, 2007 - iopscience.iop.org
The impact of plasma shaping on electron heat transport is investigated in TCV L-mode
plasmas. The study is motivated by the observation of an increase in the energy confinement …

Density response to central electron heating: theoretical investigations and experimental observations in ASDEX Upgrade

C Angioni, AG Peeters, X Garbet, A Manini… - Nuclear …, 2004 - iopscience.iop.org
Abstract Theory of ion temperature gradient (ITG) and trapped electron modes (TEMs) is
applied to the study of particle transport in experimental conditions with central electron …

The role of ion and electron electrostatic turbulence in characterizing stationary particle transport in the core of tokamak plasmas

E Fable, C Angioni, O Sauter - Plasma Physics and Controlled …, 2009 - iopscience.iop.org
A general feature of particle transport in the core of tokamak plasmas is that when core
particle sources are small, a stationary peaked density profile is provided by a balance of …

On the non-stiffness of edge transport in L-mode tokamak plasmas

O Sauter, S Brunner, D Kim, G Merlo, R Behn… - Physics of …, 2014 - pubs.aip.org
Transport analyses using first-principle turbulence codes and 1 1 2-D transport codes
usually study radial transport properties between the tokamak plasma magnetic axis and a …

Scaling of density peaking in H-mode plasmas based on a combined database of AUG and JET observations

C Angioni, H Weisen, O Kardaun, M Maslov… - Nuclear …, 2007 - iopscience.iop.org
For the first time, scalings for density peaking in tokamaks are obtained from a database
consisting of observations from two devices, ASDEX Upgrade and JET. The investigation …

Gyrokinetic modelling of electron and boron density profiles of H-mode plasmas in ASDEX Upgrade

C Angioni, RM McDermott, E Fable, R Fischer… - Nuclear …, 2011 - iopscience.iop.org
Local gyrokinetic calculations of the logarithmic gradients at mid-radius of both electron and
boron densities in ASDEX Upgrade H-mode plasmas are presented and compared with the …

Collisionality and shear dependences of density peaking in JET and extrapolation to ITER

H Weisen, A Zabolotsky, C Angioni, I Furno… - Nuclear …, 2005 - iopscience.iop.org
Results from an extensive database analysis of JET density profiles in stationary conditions
show that the density peaking factor n e0/⟨ ne⟩ in JET H modes increases from near 1.2 at …

Effect of electron cyclotron resonance heating (ECRH) on toroidal rotation in ASDEX Upgrade H-mode discharges

RM McDermott, C Angioni, R Dux, A Gude… - Plasma Physics and …, 2011 - iopscience.iop.org
Core toroidal rotation behavior and momentum transport have been examined in neutral
beam injection (NBI) heated plasmas with and without electron cyclotron resonance heating …