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首页> 外文期刊>Journal of Geophysical Research. Biogeosciences >Inhomogeneous plasma flows: A review of in situ observations and laboratory experiments
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Inhomogeneous plasma flows: A review of in situ observations and laboratory experiments

机译：血浆流量不均匀：原位观察和实验室实验综述

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摘要

Sheared flows in near-Earth space plasmas, both magnetic-field-aligned and cross-field, contribute to a rich array of phenomena which can be simulated in the laboratory. This has led to improved knowledge of the basic processes involving velocity shear operative in space, where it is not possible to conduct detailed and repeatable experiments with control over background parameters. Depending upon the flow characteristics, shear can contribute to either growth or damping of various plasma modes or, if sufficiently strong, can itself drive instabilities. These instabilities can have significant consequences in redefining the plasma equilibrium and can lead to energization and transport. A number of laboratory experiments have been performed to investigate the detailed physics associated with inhomogeneous space plasma flows. In this word, a review of in situ observations of processes associated with sheared flows and details of complementary laboratory experimental investigations is presented.
机译：磁场对准和交叉磁场的近地空间等离子体中的剪切流构成了可以在实验室中模拟的丰富现象。这导致人们对涉及在空间中进行速度剪切的基本过程的知识有了更多的了解，在该过程中不可能通过控制背景参数来进行详细且可重复的实验。取决于流动特性，剪切力可以促进各种等离子模式的增长或衰减，或者如果足够强的话，其本身也可以驱动不稳定性。这些不稳定性可能会在重新定义等离子体平衡方面产生重大后果，并可能导致通电和传输。已经进行了许多实验室实验以研究与不均匀空间等离子体流有关的详细物理原理。用这个词，对与剪切流有关的过程的原位观察和补充实验室实验研究的细节进行了综述。

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