期刊论文

Xie, Bao-yi;Gong, XY

英文

Journal of the Korean Physical Society

0374-4884

2024

10.1007/s40042-024-01023-9

National Magnetic Confinement Fusion Program of China [2022YFE03090001, 2022YFE03070003]; National Natural Science Foundation of China [12075114, 12375220, 12105188]; Hunan Provincial Innovation Foundation for Postgraduate [CX2017B502]; University of South China [230XJZ093]

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Theoretical investigations are conducted to examine the impact of toroidal rotation and ion collisional viscosity on low-frequency zonal flow (LFZF) in a tokamak plasma with the fluid model. The results indicate that while the frequency of LFZF remains unchanged during an isothermal process with gamma=1, its damping rate is influenced by both toroidal rotation and ion collisional viscosity. Specifically, as the ion collisional viscosity increases, so does the damping rate of LFZF; conversely, as the toroidal rotation As its Mach number rises, its damping rate decreases. For a non-isothermal pr...