Structure and detection of Kelvin-Helmholtz vortices in the ... - GPSM

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When the SC separation of Cluster is small, ・ Detection of a parent rolled-up vortex can be made by either of the four spacecraft, by identifying Low-density & High-speed flows. Then, ・ Small-scale waves excited, or thin current sheet structures formed, in the vortex can be studied in detail with the help of multi-point measurements. Connections between macro-scale KH vortices and microscale phenomena/structures can be studied.
Summary □ Rolled-up KH vortices were detected from Cluster multi-point observations at the flank magnetopause during northward IMF. Furthermore, evidence for plasma transport was found in the rolled-up vortices. These suggest that the KHI plays a significant role in the plasma transport (formation of the flank boundary layer) under northward IMF. □ “Rolled-up” vortices can be detected even with singlespacecraft measurements of the bulk plasma parameters. ・ Coupling between large-scale vortices and small-scale phenomena/structures can now be studied with Cluster data. ・ Statistical survey of KH vortices is also possible with conventional 1-SC data.
Page 1 and 2: Structure and Detection of Rolled-u
Page 3 and 4: Introduction Observations show: The
Page 5 and 6: Numerical simulation studies indica
Page 7 and 8: M’sphere Sheath Spacecraft separa
Page 9 and 10: 1-SC detection of “Rolled-up” v
Page 11 and 12: Comparison with vortices observatio
Page 13: Signatures of KHI at the flank MP S
Page 18 and 19: Hall (two-fluid) MHD equations incl
Page 20: Measurements for an earlier interva

Structure and detection of Kelvin-Helmholtz vortices in the ... - GPSM

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