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外加磁场、电流及弧柱半径对电弧螺旋不稳定性的影响

物理学报, 2004, 53(3): 824-828.
DOI: 10.7498/aps.53.824
CSTR: 32037.14.aps.53.824

The effect of external magnetic field, current and arc column radiuson the arc helical instability

Acta Phys. Sin., 2004, 53(3): 824-828.
DOI: 10.7498/aps.53.824
CSTR: 32037.14.aps.53.824
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  • 摘要

    采用与时间有关的线性微扰理论，研究了存在气流作用下，外加磁场、弧电流以及弧柱半径对电弧螺旋不稳定性的影响，给出了稳定性条件和不稳定性增长率等定量结果.

     

    Abstract

    The effect of external magnetic field, current and arc column radius on the helical instability is studied by using linear time perturbation theory in this paper. The arc has the effect of gas flow. The stability conditions and the growth rate of the helical instability are given.

     

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