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]

* * *


Universalium. 2010.

Игры ⚽ Поможем написать курсовую

Look at other dictionaries:

  • 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

  • thermal barrier — noun a limit to high speed flight imposed by aerodynamic heating • Syn: ↑heat barrier • Hypernyms: ↑limit, ↑bound, ↑boundary * * * noun : a limit to unlimited increase in airplane or rocket speeds imposed by aerodynamic heating that without… …   Useful english dictionary

  • thermal barrier — šiluminis barjeras statusas T sritis fizika atitikmenys: angl. heat barrier; thermal barrier vok. Hitzbarriere, f; Hitzemauer, f; Wärmemauer, f rus. тепловой барьер, m pranc. barrière thermique, f; seuil thermique, m …   Fizikos terminų žodynas

  • thermal barrier — One of the limits to the speed at which an aircraft can fly. Exceeding the limiting speed can result in damage to the structure. A thermal barrier is normally related to aircraft flying at low levels at very high indicated air speeds …   Aviation dictionary

  • Thermal barrier coating — Thermal barrier coatings are highly advanced material systems applied to metallic surfaces, such as gas turbine or aero engine parts, operating at elevated temperatures. These coatings serve to insulate metallic components from large and… …   Wikipedia

  • Thermal Barrier Coating — Wärmedämmschichten, (engl. thermal barrier coating, TBC) werden in der Industrie eingesetzt, um die Werkstofftemperatur bei Hochtemperaturanwendungen zu senken. Ein Beispiel sind neue sowie nachgerüsteten Gasturbinen, bei denen die Beschichtung,… …   Deutsch Wikipedia

  • thermal barrier — /ˈθɜməl bæriə/ (say thermuhl bareeuh) noun an obstacle to flight above very high speeds owing to heating of the aircraft by air friction. Also, heat barrier …  

  • Thermal spraying — techniques are coating processes in which melted (or heated) materials are sprayed onto a surface. The feedstock (coating precursor) is heated by electrical (plasma or arc) or chemical means (combustion flame). Thermal spraying can provide thick… …   Wikipedia

  • Thermal break — (thermal barrier)   An element of low heat conductivity placed in such a way as to reduce or prevent the flow of heat. Some metal framed windows are designed with thermal breaks to improve their overall thermal performance.   California Energy… …   Energy terms

  • Thermal insulation — The term thermal insulation can refer to materials used to reduce the rate of heat transfer, or the methods and processes used to reduce heat transfer.Heat energy can be transferred by conduction, convection, radiation or when undergoing a phase… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”