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Influence of oblique magnetic field on electron cross-field transport in a Hall effect thruster

机译:斜磁场对霍尔效应推进器中电子交叉场输运的影响

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摘要

The effects of the inclination of the magnetic field with respect to the channel walls in a Hall effect thruster are numerically studied with the use of a one-dimensional quasi-neutral Particle-In-Cell model with guiding center approximation of electron motion along magnetic lines. Parametric studies suggest that the incidence angle strongly influences electron transport across the magnetic field. In ion-focusing magnetic topologies, electrons collide predominantly on the side of the magnetic flux tube closer to the anode, thus increasing the electron cross-field drift. The opposite effect is observed in ion-defocussing topology. (C) 2015 AIP Publishing LLC.
机译:使用一维准中性粒子内单元模型,以电子沿着磁线的运动中心近似,对霍尔效应推进器中磁场相对于通道壁的倾斜度的影响进行了数值研究。 。参数研究表明,入射角强烈影响电子在磁场中的传输。在离子聚焦磁拓扑中,电子主要在磁通管的更靠近阳极的一侧发生碰撞,从而增加了电子交叉场漂移。在离子散焦拓扑中观察到相反的效果。 (C)2015 AIP Publishing LLC。

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