Contributions provided by the NASA Research Centers to key Space Shuttle return-to-flight milestones, with an emphasis on debris and Thermal Protection System (TPS) damage characterization, are described herein. Several CAIB recommendations and Space Shuttle Program directives deal with the mitigation of external tank foam insulation as a debris source, including material characterization as well as potential design changes, and an understanding of Orbiter TPS material characteristics, damage scenarios, and repair options. Ames, Glenn, and Langley Research Centers have performed analytic studies, conducted experimental testing, and developed new technologies, analysis tools, and hardware to contribute to each of these recommendations. For the External Tank (ET), these include studies of spray-on foam insulation (SOFI), investigations of potential design changes, and applications of advanced non-destructive evaluation (NDE) technologies to understand ET TPS shedding during liftoff and ascent. The end-to-end debris assessment included transport analysis to determine the probabilities of impact for various debris sources.


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    Title :

    NASA Research Center Contributions to Space Shuttle Return to Slight (SSRTF)


    Contributors:
    C. E. Cockrell (author) / R. S. Barnes (author) / H. L. Belvin (author) / J. Allmen (author) / A. Otero (author)

    Publication date :

    2005


    Size :

    16 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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