Confinement Improvement in Reversed-Field Pinch Using Pulsed Poloidal Current Drive
نویسندگان
چکیده
منابع مشابه
On the Physics of Improved Confinement During Pulsed Poloidal Current Drive in MST Reversed-Field Pinch
Reduction of core-resonant magnetic fluctuations and improved confinement in the Madison Symmetric Torus reversed-field pinch (MST RFP) have been routinely achieved by applying the surface poloidal electric field. The created inductive poloidal electric field drives current in plasma which leads to the improved confinement. To study the effect we developed a relatively simple 1-D model in cylin...
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With the addition of inductive poloidal current drive for current profile control in the Madison Symmetric Torus (MST) reversed field pinch, the magnetic fluctuation amplitude halves, leading to reduced energy and particle transport. A fourto five-fold increase in the energy confinement time to tE , 5 ms with both decreased Ohmic input power and increased stored thermal energy coincides with re...
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The transport of intrinsic impurities is investigated during standard and improved confinement regimes of the Madison Symmetric Torus (MST) reversed-field pinch. The impurity diffusion coefficient (D) and pinch velocity (v) are obtained through comparing the time evolution of experimental impurity density profiles with the results of a one-dimensional impurity transport code. Experimental hollo...
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Current profile control is employed in the Madison Symmetric Torus @R. N. Dexter et al., Fusion Technol. 19, 131 ~1991!# reversed field pinch to reduce the magnetic fluctuations responsible for anomalous transport. An inductive poloidal electric-field pulse is applied in the sense to flatten the parallel current profile, reducing the dynamo fluctuation amplitude required to sustain the equilibr...
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ژورنال
عنوان ژورنال: Journal of Plasma and Fusion Research
سال: 2003
ISSN: 0918-7928
DOI: 10.1585/jspf.79.1130