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...ine]]s. The defining feature of hopper cooling, amongst other water-cooled engines, is that there is no [[radiator (engine cooling)|radiator]]. Cooling water ...to dispose of the [[waste heat]] they generate when running. Water-cooled engines remove this heat from around the [[cylinder head]] by surrounding it with a ...

...was thereby one of the first women to be working on the properties of aero-engines, although a number of women were taken on at the end of the war, such as [[ ...

...ame designer, was that they could learn their lessons on staged combustion engines on the smaller and simpler upper stage engine, and then apply them to the b ...ssociation, the RD-120 was seriously considered for the [[Boeing 747|747]] air-launched first stage. The RD-120 offered the best price and performance, an ...

...le plumes are primarily used to provide for the optimal mixing of fuel and air so as to reduce pollutant emission under different operating conditions. T ...pplications to prevent overspraying of the coated materials, in combustion engines to prevent wetting of the cylinder walls, and in fire sprinklers to provide ...

...hich the [[combustion]] of a [[fuel]] occurs with an [[oxidizer]] (usually air) in a [[combustion chamber]] that is an integral part of the [[working flui ...products. Working fluids for ''external'' combustion engines include air, hot water, [[pressurized water reactor|pressurized water]] or even [[boiler]]-h ...

| caption = A glowing-hot metal bar showing [[incandescence]], the emission of light due to its tempe ..., will make it very hot; and the axle-trees of carts and coaches are often hot, and sometimes to a degree, that it sets them on fire, by the rubbing of th ...

...olor:yellow; background:#0B4559;" |  Allowed train loads of Class 601 engines  ...t examples, a Ricour valve on the inlet were fitted, and in later examples air valves were fitted to the piston boxes of the high-pressure cylinders. A co ...

Traditional helicopters get both their [[Propulsion#Air propulsion|propulsion]] and [[Lift (force)|lift]] from the main rotor; by u ...spacemag.com/flight-today/hot-rod-helicopters-39130976/?page=3 Page 3] ''[[Air & Space/Smithsonian]]'', September 2009. Accessed: 18 May 2014.</ref><ref n ...

...e of a sink full of hot water with cold water being added, showing how the hot and the cold water flow into each other]] ...e [[operating temperature]] range of the component. Oils are often used in engines, [[gear box]]es, [[metalworking]], and hydraulic systems for their good lub ...

; Ambient Air : The [[air]] surrounding a given object or system. ...

...tain of American aircraft and reorganizing the repair of aircraft and aero-engines.<ref name="F063"/> ...er Government agencies. About 10% was for US Government agencies (the [[US Air Force]] and the Office of Aerospace Research); 30% was for British Industry ...

...tion]]. Bottom left: A [[fire]] in a fire pit; fires may produce plasma if hot enough. Bottom right: The [[Sun]]'s [[Stellar corona|corona]] as seen from | title=Dielectric Strength of Air ...

...a small opening at the opposite end. They are shaped in a way that allows air to oscillate inside of a chamber in an unstable way. The physical theory of ...e metal pipe shown was used in the [[Concorde]] cockpit to provide cooling air to the pilots, but it was removed due to its loud tone. This whistle is sim ...

{{defn|Any {{gli|air current}} moving away from either the North Pole or the South Pole.}} {{defn|A line drawn on a [[thermodynamic diagram]] along which an {{gli|air parcel}} moves as it ascends or descends through the atmosphere, {{gli|adia ...

{{Short description|Physical quantity of hot and cold}} * [[air temperature]] affects all living organisms ...

* '''[[Absolute humidity]]''' – describes the water content of air and is expressed in either grams per cubic meter<ref>Wyer, S.S., "A treatis * '''[[Aerodynamics]]''' – is the study of the motion of [[air]], particularly with respect to its interaction with a solid object, such a ...

...rnative to the autoclave method is to use internal pressure via inflatable air bladders or [[polystyrene|EPS foam]] inside the non-cured laid-up carbon fi ...e/view/1968/1968%20-%202107.html?search=rolls-royce%20rb211%20hyfil |title=Engines |journal=Flight International |date=26 September 1968 |url-status=live |arc ...

...used to provide industrial process heating or cooling, such as in [[solar air conditioning]]. ...y/molten-salt-energy-storage|archive-date=29 August 2017}}</ref> Later the hot molten salt (or oil) is used in a steam generator to produce steam to gener ...

...iers, a numbering machine, a window frame and sash, and variants on rotary engines.<ref>"Knight, Margaret E." Encyclopædia Britannica 2005 Encyclopædia Britan ;[[Hot comb]] ...

...s]]|content='''[[Aerodynamics]]'''}}{{defn|defn=The study of the motion of air, particularly its interaction with a solid object, such as an airplane wing ...ed., CRC Press, 1993.</ref> Equivalently, heat spontaneously flows from a hot body to a cooler one, not the other way around.<ref>Giancoli, Douglas C. '' ...