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Neoclassical Transport in Uragan-2M for the 1/ Regime

B. Seiwald, V. N. Kalyuzhnyj, S. V. Kasilov, W. Kernbichler, V. V. Nemov

Fusion Science and Technology / Volume 50 / Number 3 / October 2006 / Pages 447-456

Technical Paper / Stellarators /

In the framework of optimization of confinement properties of Uragan-2M, neoclassical transport in the 1/ regime and the pertinent stored energy are studied. A rather wide range of device configurations is considered. For the computations the field line following code NEO for computation of transport measures is used. Computations are performed in real-space coordinates using the magnetic field produced by the device coils. The difference of currents in adjacent groups of toroidal field (TF) coils as well as the current in the TF coils and the additional vertical magnetic field are used as varying parameters.

Some possibilities for improving the 1/ transport corresponding to optimum values of the varying parameters are presented.

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