heat shield

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heat shield

n.
A barrier that prevents the heating of a space or an object by absorbing, reflecting, or dissipating external heat, especially a protective structure on a spacecraft or missile that dissipates heat on atmospheric reentry by melting and vaporizing.

heat shield

n
(Astronautics) a coating or barrier for shielding from excessive heat, such as that experienced by a spacecraft on re-entry into the earth's atmosphere

heat′ shield`


n.
an exterior coating or structure that protects a spacecraft from excessive heating during reentry.
[1955–60]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.heat shield - a protective covering that protects a spacecraft from overheating on reentryheat shield - a protective covering that protects a spacecraft from overheating on reentry
nose cone, ogive - front consisting of the conical head of a missile or rocket that protects the payload from heat during its passage through the atmosphere
protective cover, protective covering, protection - a covering that is intend to protect from damage or injury; "they had no protection from the fallout"; "wax provided protection for the floors"
ballistic capsule, space vehicle, spacecraft - a craft capable of traveling in outer space; technically, a satellite around the sun
References in periodicals archive ?
The only viable choice was something called phenolic-impregnated carbon ablator (PICA), which had been developed at Ames in the 1990s for the Stardust mission--the first to return samples from a comet, and the fastest atmospheric reentry in history.
Some of these technologies have been demonstrated successfully through the Space Capsule Recovery Experiment (SRE-2007), Crew module Atmospheric Reentry Experiment (CARE-2014) and Pad Abort Test (2018).
This includes black colored retractable landing legs to enable quicker reset between missions, a more robust composite overwrapped pressure vessel to hold pressurized liquids, titanium grid fins to for enhanced booster control and safety during its atmospheric reentry, and carbon-fiber inter-stage separating the first and the second stage of the vehicle.
However, the problem of estimation of space debris dispersion during the atmospheric reentry is still quite difficult due to unknown effects and uncertainties.
To answer the steak question, he calculates the drag coefficient of a standard steak, reads articles about how missiles heat up during atmospheric reentry, and studies cookbooks to learn how meat cooks.

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