Abstract On 16 March 1980 a rocket launched from Poker Flat, Alaska, carried a new type of high-explosive barium shaped charge to 571 km, where detonation injected a thin disk of barium vapor with high velocity nearly perpendicular to the magnetic field. The purpose of the experiment, named “King Crab,” was to advance knowledge of the instabilities, waves, and optical and magnetic effects produced. The TV images of the injection are spectacular, revealing three major regimes of expanding material which showed early instabilities in the neutral gas. The most unusual effect of the injection is a peculiar rayed barium-ion structure lying in the injection plane and centered on a 5 km “black hole” surrounding the injection point. Preliminary computer simulations show a similar rayed structure development due to an electrostatic instability.


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    Titel :

    A high-altitude barium radial injection experiment


    Beteiligte:
    Wescott, E.M. (Autor:in) / Stenbaek-Nielsen, H.C. (Autor:in) / Hallinan, T.J. (Autor:in) / Deehr, C.S. (Autor:in) / Olson, J.V. (Autor:in) / Roederer, J.G. (Autor:in) / Sydora, R.D. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.01.1981


    Format / Umfang :

    4 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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