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Rotation Driven by ...
Abstract
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- Plasma rotation is of interest for improving confinement and stabilising plasma. Effects from fast particles with broad orbits can only partly explain the changes in the rotation profiles during ICRH. The effect on wave-particle interaction of a finite poloidal mode number is discussed and two new RF-mechanisms are proposed: Co-current torque caused by sputtering by rectified RF-sheath potentials and transport of momentum due to spatial dispersion. The latter effect affects the RF-current drive, in particular, in conjunction with mode conversion.
Nyckelord
- RF-heating
- Rectified RF-sheath potentials
- Plasma rotation
- Current drive
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- kon (ämneskategori)
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