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Transport events and E x B staircase in flux-driven gyrokinetic simulation of ion temperature gradient turbulence
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- Authors
- Issue Date
- 2022-10
- Publisher
- 한국물리학회
- Citation
- Journal of the Korean Physical Society, Vol.81 No.7, pp.636-645
- Abstract
- Nonlocal bursty heat transport can be pervasive in fusion plasmas, often leading to deviation from the gyro-Bohm scaling. Recently, radially quasi-periodic structures of E x B shear layers called the E x B staircase have been identified in fluxdriven gyrokinetic simulations, and their basic properties have been recognized. In this study, we investigate heat transport events and the E x B staircase from the GyroKinetic-based Numerical Experiment of Tokamak (GKNET) [Imadera et al., IAEA-FEC, TH/P5-8 (2014)] flux-driven gyrokinetic simulation of ion temperature gradient (ITG) turbulence. We classify the nonlocal heat transport events according to characteristics of their interaction with the E x B staircase models are elucidated.
- ISSN
- 0374-4884
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