thermal barrier

thermal barrier
Aeron., Rocketry.
the high temperatures produced by the friction between a supersonic object and the earth's atmosphere that limit the speed of an airplane or rocket. Also called heat barrier.
[1950-55]

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Universalium. 2010.

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  • thermal barrier — n. a limit to the speed of flight of vehicles in the atmosphere set by the effects of aerodynamic heating …   English World dictionary

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