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Plasma kinetics issues in an ESA study for a plasma laboratory in space

机译:ESA研究中太空等离子体实验室的等离子体动力学问题

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摘要

A study supported by the European Space Agency (ESA), in the context of its General Studies Programme, performed an investigation of the possible use of space for studies in pure and applied plasma physics, in areas not traditionally covered by 'space plasma physics'. A set of experiments have been identified that can potentially provide access to new phenomena and to allow advances in several fields of plasma science. These experiments concern phenomena on a spatial scale (10(1)-10(4) m) intermediate between what is achievable on the ground and the usual solar system plasma observations. Detailed feasibility studies have been performed for three experiments: active magnetic experiments, large-scale discharges and long tether-plasma interactions. The perspectives opened by these experiments are discussed for magnetic reconnection, instabilities, MHD turbulence, atomic excited states kinetics, weakly ionized plasmas, plasma diagnostics, artificial auroras and atmospheric studies. The discussion is also supported by results of numerical simulations and estimates.
机译:由欧洲航天局(ESA)在其常识研究计划的支持下进行的一项研究,对在传统上未被“空间等离子体物理学”涵盖的领域中进行纯净和应用等离子体物理学研究的空间的可能利用进行了调查。 。已经确定了一组实验,可以潜在地提供对新现象的访问并允许在等离子体科学的几个领域中取得进展。这些实验关注的是在地面上可达到的范围与通常的太阳系等离子体观测值之间的空间尺度(10(1)-10(4)m)上的现象。已经对三个实验进行了详细的可行性研究:主动磁实验,大规模放电和长时间的束缚-等离子体相互作用。这些实验为磁性重新连接,不稳定性,MHD湍流,原子激发态动力学,弱电离等离子体,等离子体诊断,人造极光和大气研究讨论了开辟的前景。数值模拟和估计的结果也支持了该讨论。

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