Title:
An investigation of some effects of drifts and magnetic field direction in the scrape-off layer and divertor of tokamak plasmas
An investigation of some effects of drifts and magnetic field direction in the scrape-off layer and divertor of tokamak plasmas
Author(s)
Stacey, Weston M.
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Abstract
Various effects of particle drifts in the scrape-off layer (SOL) and divertor of tokamaks have been calculated. The predictions are consistent with several experimentally observed phenomena, e.g., the double reversal of parallel ion velocity in the SOL and the enhanced core penetration of argon injected into the divertor when the grad-B ion drift is into, rather than away from, the divertor. Other interesting phenomena, such as the structure of the parallel current flowing in the SOL and the reversal of the sign of the electrostatic potential in the SOL when the toroidal field direction is reversed, are also predicted.
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2009-04-03
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Article