Core transport studies in fusion devices

Conference poster, 2010

Comprehensive first principles modelling of fusion plasmas contains many numerical and theoretical challenges: a complicated magnetic geometry, long range electromagnetic interactions, collective modes, and extreme density and temperature gradients driving turbulent fluctuations, to name just a few. HPC provides the tools for tackling these challenges and is the focus of a major undertaking within the European fusion community. In this work, the turbulent transport of trace impurities in a tokamak device has been studied using quasi-linear and non-linear gyrokinetic simulations from the GENE code. The results are quantitative and qualitative assessments of the transport properties of several impurity species, and the dependence thereof on various plasma parameters.