Simulation Result for LHD High-Pressure Plasmas (IMAGE)
Caption
(Image 2) The difference between the high pressure in the center region (the red region) and the low pressure in the peripheral region (the blue region) induces the fluctuation in the plasma. In the fluid simulation result (the above figure), the high pressure cannot be maintained because the fluctuation becomes extremely large and causes the mixing of the high-pressure plasma and the low-pressure plasma. On the other hand, in the hybrid simulation result (the bottom figure), the high pressure is maintained for a long period because the fluctuation remains low levels.
Credit
National Institute for Fusion Science
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