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Electrodynamic interaction between the CRIT I ionized barium streams and the ambient ionosphere
KTH, Superseded Departments, Alfvén Laboratory. KTH, School of Electrical Engineering (EES), Space and Plasma Physics.
KTH, Superseded Departments, Alfvén Laboratory. KTH, School of Electrical Engineering (EES), Space and Plasma Physics.
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1990 (English)In: Advances in Space Research, ISSN 02731177, Vol. 10, 67-70 p.Article in journal (Refereed) Published
Abstract [en]

In the CRIT I Critical Velocity experiment, launched from Wallops Island on 13 May, 1986, two fast barium streams were ejected by means of shaped charges. Their electrodynamic interaction with the ambient ionosphere is discussed. An outstanding feature of the DC electric field observed within the streams was a large magnetic-field-aligned component, persisting on the time scale of the passage of the streams. One interpretation of the DC electric field data is that the internal electric fields of the streams is not greatly modified by Birkeland currents, i.e. a state is established, where the transverse currents are to a first approximation divergence-free. It is argued that this interpretation can explain why a reversal of the strong explosion-directed electric field was observed in the first explosion but not in the second (more distant one). © 1989.

Place, publisher, year, edition, pages
1990. Vol. 10, 67-70 p.
Keyword [en]
Ionosphere, CRIT I Ionized Barium Streams; Electrodynamic Interaction; Magnetic-Field-Aligned Component, Atmospheric Ionization
National Category
Fusion, Plasma and Space Physics
Identifiers
URN: urn:nbn:se:kth:diva-92947DOI: 10.1016/0273-1177(90)90275-5OAI: oai:DiVA.org:kth-92947DiVA: diva2:514352
Note
cited By (since 1996) 1 NR 20140805Available from: 2012-04-08 Created: 2012-04-07 Last updated: 2012-04-08Bibliographically approved

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Marklund, Göran

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