Analytical and numerical solutions of force-free equilibria with flow

Paccagnella R.; Guazzotto L.

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Analytical and numerical solutions of force-free equilibria with flow

机译：流动无力平衡的解析解和数值解

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The model of plasma equilibrium in the presence of toroidal and poloidal flows is studied for a force-free plasma. With these simplifying assumptions the set of Grad-Shafranov-Bernoulli equations decouples. Analytical solutions are found in some limits. These solutions are compared with numerical simulations using the FLOW code. It is shown that in the presence of a general unconstrained flow, with poloidal and/or toroidal components, the force-free solutions are not consistent with a confined plasma state with monotonically decreasing pressure.

机译：对于无力等离子体，研究了在存在环形和多倍体流动的情况下的等离子体平衡模型。利用这些简化的假设，Grad-Shafranov-Bernoulli方程组解耦。分析解决方案存在一定局限性。这些解决方案与使用FLOW代码的数值模拟进行了比较。结果表明，在存在具有无定形和/或超环面分量的一般无约束流动的情况下，无力溶液与压力单调递减的受限等离子体状态不一致。

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《Plasma physics and controlled fusion》 |2011年第9期|共10页
作者
Paccagnella R.; Guazzotto L.;
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正文语种 eng
中图分类等离子体物理学;
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Analytical and numerical solutions of force-free equilibria with flow

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