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首页> 外文期刊>Journal of Computational Physics >Optimization of energy confinement in the 1u regime for stellarators
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Optimization of energy confinement in the 1u regime for stellarators

机译:恒星在1 / nu模式下的能量限制优化

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A set of powerful tools has been developed in the last years for the design of new stellarator devices. These codes, usually working in magnetic co-ordinates, comprise minimization of neoclassical transport, maximizing equilibrium and stability properties, etc. However, for certain conditions the stellarator magnetic field can be originally obtained in the real space coordinates and there is no necessity in its transformation to magnetic coordinates. Here a procedure working in real space co-ordinates is presented for maximizing the plasma energy content, based on reducing the most unfavorable, 1u, neoclassical transport. This tool is especially useful for existing stellarator devices which are not fully optimized with respect to neoclassical transport. Preliminary results for the "heliac-type" stellarator TJ-II are presented showing a configuration with almost twice the stored energy of the standard TJ-II configuration. (c) 2008 Elsevier Inc. All rights reserved.
机译:过去几年中,已经开发出了一套功能强大的工具,用于设计新的恒星器设备。这些代码通常在磁坐标中起作用,包括最小化新古典运输,最大化平衡和稳定性等。但是,对于某些条件,恒星场磁场最初可以在真实空间坐标中获得,因此没有必要转换为磁坐标。在此,基于减少最不利的1 / nu新古典运输,提出了一种在实际空间坐标中工作的过程,以最大化等离子体能量含量。该工具对于尚未针对新古典运输进行完全优化的现有恒星器设备特别有用。给出了“螺旋型”恒星器TJ-II的初步结果,该结构的储能几乎是标准TJ-II构型的两倍。 (c)2008 Elsevier Inc.保留所有权利。

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