One possible way to affect the impurity influx into the plasma of a stellarator with poloidal slits in the vacuum wall |
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Authors: | D. L. Grekov |
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Affiliation: | (1) Kharkov Institute for Physics and Technology, National Science Center, Akademicheskaya ul. 1, Kharkov, 61108, Ukraine |
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Abstract: | A possible way to affect the influxes of heavy impurities into the plasma of a stellarator with poloidal slits in the vacuum wall (e.g., the W7-AS stellarator) by RF heating of the impurities is discussed. It is shown that the influxes can be reversed in direction by applying a relatively low RF power. The design features of the W7-AS stellarator are such that there is no need to place additional antennas inside the vacuum chamber. |
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