The Gravity Probe-B (GP-B) Spacecraft is designed to test the General Theory of Relativity through long-term monitoring the precession of a set of gyros in free-fall around the earth. The potential problems for GP-B Spacecraft design requirements could be due to asymmetry in the static liquid helium distribution, or to perturbations in free surface which is present in the partially-filled liquid helium dewar. In this study, doughnut-shaped helium bubble equilibrium profiles in rotating dewar, under the conditions during the period of GP-B experiment instrument calibration and also during the period of normal operation stages of GP-B Spacecraft, have been numerically calculated. For academic interest, the range of coverage has been extended beyond the conditions assigned by the GP-B Spacecraft experiment.


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    Titel :

    Axisymmetric bubble profiles in a slowly rotating helium dewar under low and microgravity environments


    Beteiligte:
    Hung, R. J. (Autor:in) / Tsao, Y. D. (Autor:in) / Hong, B. B. (Autor:in) / Leslie, Fred W. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1989-05-01



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch