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 ?
Chennai: Top Indian Space Research Organisation (Isro) officials are studying the Polar Satellite Launch Vehicle's (PSLV) flight data to understand why the rocket's heat shield did not separate during the August 31 launch, an issue that caused the failure of the Rs2.
There is no problem in any of the stages, but heat shield has to separate and once that happens it gets into the orbit," he added
A statement from the European Space Agency (Esa) said: "The data have been partially analysed and confirm that the entry and descent stages occurred as expected, with events diverging from what was expected after the ejection of the back heat shield and parachute.
In addition to being constructed of a new material, the Heat Shield is also larger to boost its heat capacity, and its shank has a bigger diameter to improve bullet expansion at low velocity.
The test flight evaluated launch and high speed re-entry systems, such as avionics, attitude control, parachutes, and the heat shield.
LOS ANGELES (CyHAN)- As NASA missions to Mars progress with science and complex human exploration missions, spacecraft will require larger heat shields to protect against the extreme heat of entering a planet's atmosphere and decelerating at a safe altitude in the thin Martian atmosphere.
On its way back to Earth, Orion reached speeds of 32,000 kilometers per hour and its heat shield withstood temperatures twice as hot as molten lava.
To protect the camera and operator, it has a contoured, nickel-coated heat shield to reflect the heat.
RAY: If it's none of that stuff, then it simply could be that your heat shield is missing.
Operation Heat Shield aims to tackle anti-social behaviour, fly-tipping and issues associated with empty units.
Mission control suspected the shuttle's heat shield had been damaged but the crew had no way of repairing it.