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air-cooled turbine

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  • air-cooled turbine blades — The hollow turbine blades of some engines, cooled by air flowing through them that is bled from the compressor. Air cooled by convection turbine blade …   Aviation dictionary

  • Air cycle machine — An air cycle machine (ACM) is the refrigeration unit of the environmental control system used in pressurized turbine powered aircraft. Normally an aircraft has two to three of these machines arranged in a system called a pack . The cooling… …   Wikipedia

  • Air cooling — is a method of dissipating heat. It works by making the object to be cooled have a larger surface area or have an increased flow of air over its surface, or both. An example of the former is to add fins to the surface of the object, either by… …   Wikipedia

  • Air well (condenser) — High mass air well of Belgian engineer Achile Knapen in Trans en Provence …   Wikipedia

  • Radial turbine — Concept The difference between axial and radial turbines consists in the way the air flows through the components (compressor and turbine). Whereas for an axial turbine the rotor is impacted by the air flow, for a radial turbine, the flow is… …   Wikipedia

  • brake-turbine-type heat exchanger — A type of cold air unit in which the charge air from the engine compressor passes through the ram air cooled heat exchanger to enter the turbine through which it expands. This results in a pressure and a temperature drop. Mounted on the common… …   Aviation dictionary

  • turbocompressor-type cold air unit — One of the earliest types of cold air units in which a ram air cooled intercooler is used. The compressor feeds compressed air into the cooler from which high pressure cold air flows into the turbine, where it is expanded and cooled further …   Aviation dictionary

  • film-cooled blades — Turbine blades cooled by convection by passing a film of cool air over parts of the blade surface. Normally, only leading and trailing edges of turbine blades are cooled …   Aviation dictionary

  • gas-turbine engine — Introduction       any internal combustion engine employing a gas as the working fluid used to turn a turbine. The term also is conventionally used to describe a complete internal combustion engine consisting of at least a compressor, a… …   Universalium

  • Bleed air — in gas turbine engines is compressed air taken from within the engine, after the compressor stage(s) and before the fuel is injected in the burners. While in theory bleed air could be drawn in any gas turbine engine, its usage is generally… …   Wikipedia

  • Gas turbine — Microturbine redirects here. For turbines in electricity, see Small wind turbine. For turbines driven by the flow of gas, see Turbine. A typical axial flow gas turbine turbojet, the J85, sectioned for display. Flow is left to right, multistage… …   Wikipedia

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