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Ion heat transport studies in JET
Detailed experimental studies of ion heat transport have been carried out in JET exploiting the upgrade of active charge exchange spectroscopy and the availability of multi-frequency ion cyclotronExpand
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The linear tearing instability in three dimensional, toroidal gyro-kinetic simulations
Linear gyro-kinetic simulations of the classical tearing mode in three-dimensional toroidal geometry were performed using the global gyro-kinetic turbulence code, GKW. The results were benchmarkedExpand
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Comparison of gradient and flux driven gyro-kinetic turbulent transport
Flux and gradient driven ion temperature gradient turbulence in tokamak geometry and for Cyclone base case parameters are compared in the local limit using the same underlying gyro-kinetic turbulenceExpand
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The non-linear evolution of the tearing mode in electromagnetic turbulence using gyrokinetic simulations
The non-linear evolution of a magnetic island is studied using the Vlasov gyro-kinetic code GKW. The interaction of electromagnetic turbulence with a self-consistently growing magnetic island,Expand
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Toroidal momentum transport in a tokamak due to profile shearing
The effect of profile shearing on toroidal momentum transport is studied in linear and non-linear gyro-kinetic simulations. Retaining the radial dependence of both plasma and geometry parametersExpand
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Self-consistent interaction of the tearing mode with electromagnetic gyro-kinetic turbulence
Magnetic islands in a tokamak can lead to loss of confinement through a change of magnetic topology via magnetic reconnection. Their growth can lead to major disruptions of confined plasmas. As aExpand
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Ion Heat Transport Studies in JET Ion Heat Transport Studies in JET
R.V. Budny, P. Buratti, A. Casati, C. Challis, J. Citrin, G. Colyer, F. Crisanti, A.C.A. Figueiredo, L. Frassinetti, C. Giroud, N. Hawkes, J. Hobirk, E. Joffrin, T. Johnson, E. Lerche, P. Migliano,Expand
Turbulence spreading in gyro-kinetic theory
In this letter a new operative definition for the turbulence intensity in connection with magnetized plasmas is given. In contrast to previous definitions the new definition satisfies aExpand
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Ion temperature gradient instability at sub-Larmor radius scales with non-zero ballooning angle
Linear gyro-kinetic stability calculations predict unstable toroidal ion temperature gradient modes (ITGs) with normalised poloidal wave vectors well above one (kθρi>1) for standard tokamakExpand
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Nonlinear seed island generation by three-dimensional electromagnetic, gyrokinetic turbulence
Turbulence is shown to be critical to the onset and evolution of the neoclassical tearing mode, affecting both its growth and rotation. The interaction is here studied for the first time in the threeExpand
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