On Feb 1, 2003, the Shuttle Columbia was lost during its return to Earth. As a result of the conclusion that debris impact caused the damage to the left wing of the Columbia Space Shuttle Vehicle (SSV) during ascent, the Columbia Accident Investigation Board recommended that an assessment be performed of the debris environment experienced by the SSV during ascent. A flight rationale based on probabilistic assessment is used for the SSV return-to-flight. The assessment entails identifying all potential debris sources, their probable geometric and aerodynamic characteristics, and their potential for impacting and damaging critical Shuttle components. A probabilistic analysis tool, based on the SwRI-developed NESSUS probabilistic analysis software, predicts the probability of impact and damage to the space shuttle wing leading edge and thermal protection system components. Among other parameters, the likelihood of unacceptable damage depends on the time of release (Mach number of the orbiter) and the divot mass as well as the impact velocity and impact angle. A typical result is visualized in the figures below. Probability of impact and damage, as well as the sensitivities thereof with respect to the distribution assumptions, can be computed and visualized at each point on the orbiter or summarized per wing panel or tile zone.


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    Titel :

    Probabilistic Modeling of Space Shuttle Debris Impact


    Beteiligte:
    Huyse, Luc J. (Autor:in) / Asce, M. (Autor:in) / Waldhart, Chris J. (Autor:in) / Riha, David S. (Autor:in) / Larsen, Curtis E. (Autor:in) / Gomez, Reynaldo J. (Autor:in) / Stuart, Phillip C. (Autor:in)

    Kongress:

    18th Engineering Mechanics Division Conference of the American Society of Civil Engineers ; 2007 ; Blacksburg, VA, United States


    Erscheinungsdatum :

    03.06.2007


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch




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