Multi-scale turbulence simulation suggesting improvement of electron heated plasma confinement.

ABSTRACT: Turbulent transport is a key physics process for confining magnetic fusion plasma. Recent theoretical and experimental studies of existing fusion experimental devices revealed the existence of cross-scale interactions between small (electron)-scale and large (ion)-scale turbulence. Since conventional turbulent transport modelling lacks cross-scale interactions, it should be clarified whether cross-scale interactions are needed to be considered in future experiments on burning plasma, whose high electron temperature is sustained with fusion-born alpha particle heating. Here, we present supercomputer simulations showing that electron-scale turbulence in high electron temperature plasma can affect the turbulent transport of not only electrons but also fuels and ash. Electron-scale turbulence

SUBMITTER: Maeyama S 

PROVIDER: S-EPMC9174228 | biostudies-literature | 2022 Jun

REPOSITORIES: biostudies-literature