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BEGIN:VEVENT
DTSTAMP:20220812T074335Z
LOCATION:Darwin Room
DTSTART;TZID=Europe/Stockholm:20220629T110000
DTEND;TZID=Europe/Stockholm:20220629T113000
UID:submissions.pasc-conference.org_PASC22_sess152_msa121@linklings.com
SUMMARY:Multi-Scale Plasma Turbulence Simulations with the Gyrokinetic Sim
 ulation Code GKV
DESCRIPTION:Minisymposium\n\nMulti-Scale Plasma Turbulence Simulations wit
 h the Gyrokinetic Simulation Code GKV\n\nMaeyama\n\nPlasma turbulence in m
 agnetized plasma is characterized by electron and ion gyroradius scales. R
 ecent gyrokinetic simulations have revealed the existence of cross-scale i
 nteractions between ion- and electron-scale turbulence. The importance of 
 cross-scale interactions for evaluating turbulent transport has been confi
 rmed/explored in the existing experimental fusion devices: Alcator C-Mod L
 -mode and ELM-y H-mode discharges, DIII-D ITER baseline case and near edge
  L-mode plasmas, JET, TCV and ASDEX Upgrade. Beyond the existing device, b
 urning plasma is dominated by electron heating by fusion born alpha partic
 le, which expect high electron temperature. Here we present multi-scale gy
 rokinetic simulations of trapped-electron-mode (TEM) and electron-temperat
 ure-gradient (ETG) mode turbulence in a mixed deuterium-tritium-Helium pla
 sma with high electron temperature. The massive computation is realized by
  using the gyrokinetic Vlasov code GKV on the supercomputer Fugaku with ac
 hieving desirable scalability. It is found that saturation amplitudes of T
 EM fluctuations are reduced in the presence of ETG turbulence. The cross-s
 cale interactions affect the turbulent transport not only of electrons but
  also of deuterium-tritium fuels and helium ash.\n\nDomain: Computer Scien
 ce and Applied Mathematics, Physics
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