Change of the magnetic field structure during relaxation in the high pinch parameter regime of the reversed field pinch REPUTE-1
- 1 September 1987
- journal article
- Published by IOP Publishing in Nuclear Fusion
- Vol. 27 (9) , 1453-1460
- https://doi.org/10.1088/0029-5515/27/9/008
Abstract
Magnetic field measurements in a reversed field pinch plasma have been made with an insertable magnetic probe in REPUTE-1. The relaxation process of the magnetic field configuration in a high θ (θ is the pinch parameter) regime has been studied. The safety factor on axis, q0, decreases as θ increases, and there exists a lower limit to q0(~0.10). Close to this limit, q0 increases when the magnetic field configuration relaxes. These observations agree well with numerical results of non-linear resistive MHD theory.Keywords
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