Aims: Extension and optimization of code DUSTTRACK (DUST-TRACKing) [1,2] to address computationally the dynamics of test dust particles in tokamaks Motivations: o Occurrence of Transient Impurity Events (TIEs) leading to intense radiation spikes in Joint European Torus (JET) has been observed since installation of the ITER-Like Wall, after disruptions [3,4] o Measured average radiated power (1.5 MW) could be explained by a number of radiating tungsten (W) ions associated to full ablation of 100 mm-radius sphere of solid W dust [5] o Development of dedicated modeling tools to study issue of dust production, mobilization and interaction with plasma
Modeling of dust dynamics related to Transient Impurity Events (TIEs)
A Uccello;G Gervasini;F Ghezzi;E Lazzaro
2016
Abstract
Aims: Extension and optimization of code DUSTTRACK (DUST-TRACKing) [1,2] to address computationally the dynamics of test dust particles in tokamaks Motivations: o Occurrence of Transient Impurity Events (TIEs) leading to intense radiation spikes in Joint European Torus (JET) has been observed since installation of the ITER-Like Wall, after disruptions [3,4] o Measured average radiated power (1.5 MW) could be explained by a number of radiating tungsten (W) ions associated to full ablation of 100 mm-radius sphere of solid W dust [5] o Development of dedicated modeling tools to study issue of dust production, mobilization and interaction with plasma| File | Dimensione | Formato | |
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