In-flight measurements of nutation damping onboard Symphonie satellites are interpreted and a prediction model, which determines the time constant for nutation damping as a result of momentum energy being dissipated by liquid propellants in fuel tanks is verified. Although model predictions disagree with in-flight measurements, they accurately portray the variation in damping time constant in function of tank fuel level. The radial motion of the satellite momentum wheel is evoked to explain the difference between computation and measurement.


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    Titel :

    Natural Nutation Damping Due to the Ergols of the Hot Gaz Propulsion System. Synthesis of MV1 and MV2 in-Flight Results


    Beteiligte:
    J. L. Marce (Autor:in) / Ducos (Autor:in)

    Erscheinungsdatum :

    1979


    Format / Umfang :

    9 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch