ALBERT

All Library Books, journals and Electronic Records Telegrafenberg

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  • 1
    Publikationsdatum: 2019-06-27
    Beschreibung: A low density polyimide foam material was tested in an arc tunnel to determine its potential for heat shield application on aerospace vehicles. The results show that the material has some reuse potential at surface temperatures as high as 750 K. When a black refractory paint was applied to the surface of the material, the surface recession was negligible at 750 K. An analytical thermal conductivity was derived for this material which, combined with measured thermal property values, can be used to make preliminary design thickness calculations for heat shield applications.
    Schlagwort(e): NONMETALLIC MATERIALS
    Materialart: NASA-TP-1049 , L-11739
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Publikationsdatum: 2019-06-27
    Beschreibung: Specimens of a cryogenic insulation, proposed for use on the space shuttle external tank, were tested in an arc tunnel over a range of heating rates, pressures, and enthalpies corresponding to the shuttle ascent environment. A regression analysis was used to correlate the test data. Correlation equations involving surface recession rate as a function of heating rate, pressure, and enthalpy were developed. These equations can be used to make total surface recession predictions for shuttle ascent flight environments.
    Schlagwort(e): NONMETALLIC MATERIALS
    Materialart: NASA-TM-X-3291 , L-10371
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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