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CONDITIONED ANALYSIS OF HIGH-LATITUDE SOLAR WIND INTERMITTENCY

机译:高纬度太阳风间歇性的条件分析

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摘要

The solar wind is a turbulent medium displaying intermittency. Its intermittent features have been widely documented and studied, showing how the intermittent character is different in fast and slow wind. In this paper, a statistical conditioned analysis of the solar wind intermittency for a period of high-latitude fast solar wind is presented. In particular, the intermittent features are investigated as a function of the Alfvénic degree of fluctuations at a given scale. The results show that the main contribution to solar wind intermittency is due to non-Alfvénic structures, while Alfvénic increments are found to be characterized by a smaller level of intermittency than the previous ones. Furthermore, the lifetime statistics of Alfvénic periods are discussed in terms of a multiscale texture of randomly oriented flux tubes.
机译:太阳风是显示间歇性的湍流介质。其间歇性特征已被广泛记录和研究,显示了间歇性风在快风和慢风中如何不同。本文提出了一个高纬度快速太阳风周期的太阳风间歇性的统计条件分析。尤其是,根据给定尺度下Alfvénic波动程度来研究间歇性特征。结果表明,对太阳风间歇性的主要贡献是由于非Alfvénic的结构,而Alfvénic增量的特点是间歇性程度比以前小。此外,根据随机定向的通量管的多尺度纹理讨论了Alfvénic周期的寿命统计。

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