Transcription of Thermal Protection Systems
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Thermal Protection Systems
The Space Shuttle design presented many Thermal insulationchallenges. The system not only had to perform well, it had to integratewith other subsystems. The Orbiter s surfaces were exposed toexceedingly high temperatures and needed reusable, lightweight,low-cost Thermal Protection . The vehicle also required low vulnerabilityto orbital debris and minimal Thermal conductivity. NASA decided tobond the Orbiter s Thermal Protection directly to its aluminum skin,which presented an additional challenge. The External Tank required insulation to maintain the cryogenic fuels,liquid hydrogen, and liquid oxygen as well as to provide additionalstructural integrity through launch and after release from the challenge and solutions that NASA discovered through tests andflight experience represent innovations that will carry into the nextgeneration of space InnovationsThermalProtectionSystemsIntro ductio
which aided in the uniform distribution of the stress concentration loads at the tile-to-strain isolation pad interface. The structure beneath the tile-to-tile gaps was protected by filler bar that prevented gas flow from penetrating into the tile bond line. NASA used gap fillers (prevented hot air intrusion and tile-to-tile contact) in areas ...
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