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Can useful toroidal current be driven by classical viscoresistive Alfvén waves?

机译:有用的环形电流可以由经典的粘滞性Alfvén波驱动吗?

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摘要

Simple, yet exact, analytic solutions for the shear and compressional Alfvén wave are obtained for helical magnetohydrodynamic (MHD) waves in cylindrical geometry with both resistivity and viscosity included. The current driven by all possible combinations of these waves is examined in the quasilinear regime (i.e., where the magnetic field produced by the driven current is not self-consistently included in the equilibrium where the wave equations are derived). It is found in all cases that it is not possible to drive significant bulk axial current with small amplitude wave fields. Thus, any useful low-frequency current drive scheme will have to be based on phenomena more complicated than those discussed here.
机译:对于圆柱几何中的螺旋磁流体动力(MHD)波,同时包含电阻率和粘度,可以得到简单但精确的剪切和压缩Alfvén波的解析解。由这些波的所有可能组合驱动的电流在准线性状态下进行检查(即,由驱动电流产生的磁场不是自洽地包含在导出波动方程的平衡中)。发现在所有情况下都不可能以小振幅波场来驱动大量的轴向总电流。因此,任何有用的低频电流驱动方案都必须基于比这里讨论的现象更复杂的现象。

著录项

  • 作者

    Bellan P. M.; Schalit M. A.;

  • 作者单位
  • 年度 1991
  • 总页数
  • 原文格式 PDF
  • 正文语种 {"code":"en","name":"English","id":9}
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