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physics.plasm-ph2025
Zonal flow suppression of turbulent transport in the optimized stellarators W7-X and QSTK
Abhishek Tiwari, Joydeep Das, Jaya Kumar Alageshan +6
We present a comparative study of transport in two optimized stellarator configurations: Wendelstein 7-X (W7-X) and a recent design called Quasi-Symmetric Turbulence Konzept (QSTK)…
physics.plasm-ph2024
Neural network assisted electrostatic global gyrokinetic toroidal code using cylindrical coordinates
Jaya Kumar Alageshan, Joydeep Das, Tajinder Singh +2
Gyrokinetic simulation codes are used to understand the microturbulence in the linear and nonlinear regimes of the tokamak and stellarator core. The codes that use flux coordinates…