The dynamics associated with the jettisoning of heat shield fairings from the parent launch vehicle is investigated. The analysis considers a zip-cord based mechanism employed to jettison the fairings from the accelerating on-going stage. A scheme for characterization of the zip-cord system is described. The geometry of collision is analysed for a known, precomputed structural response. The no-collision domain is constructed in flexibility parameter space for an arbitrarily assumed impulse level. Alternatively, the minimum impulse required for a collision-free separation is also computed as a function of design parameters. Finally, the analysis enables generation of the upper limits on payload size as well as of the external mountings for a clean separation. This methodology has led to the successful separation of shield heat fairings for the two development flights of the Indian launcher Polar Satellite Launch Vehicle (PSLV).


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    Titel :

    Separation dynamics of heat shield fairings


    Weitere Titelangaben:

    Die Abtrenn-Dynamik von Hitzeschild-Verkleidungen


    Beteiligte:
    Lochan, R. (Autor:in) / Adimurthy, V. (Autor:in) / Kumar, K. (Autor:in)


    Erscheinungsdatum :

    1997


    Format / Umfang :

    14 Seiten, 11 Bilder, 1 Tabelle, 28 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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    Lochan, R. | Online Contents | 1997


    Separation dynamics of heat shield fairings

    Lochan, R / Adimurthy, V / Kumar, K | SAGE Publications | 1997


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