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  • 1
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    Strengths of balloon films with flaws and repairs (1989)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: The effects of manufacture flaws and repairs in high altitude scientific balloons was examined. A right circular cylinder was used to induce a biaxial tension-tension stress field in the polyethlene film used to manufacture these balloons. A preliminary investigation of the effect that cylinder geometry has on stress rate as a function of inflation rate was conducted. The ultimate goal was to rank, by order of degrading effects, the flaws and repairs commonly found in current high altitude balloons.
    Keywords: STRUCTURAL MECHANICS
    Type: NASA-CR-181872 , NAS 1.26:181872
    Format: application/pdf
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