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plug-nozzle engine

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  • Plug nozzle — The plug nozzle is a type of rocket engine nozzle that, unlike traditional designs, maintains its efficiency at a wide range of altitudes. It is a member of the class of altitude compensating nozzles, but unlike the aerospike, the plug design is… …   Wikipedia

  • Diesel engine — Diesel engines in a museum Diesel generator on an oil tanker …   Wikipedia

  • Aerospike engine — The aerospike engine is a type of rocket engine that maintains its aerodynamic efficiency across a wide range of altitudes through the use of an aerospike nozzle. It is a member of the class of altitude compensating nozzle engines. A vehicle with …   Wikipedia

  • Rocket engine — RS 68 being tested at NASA s Stennis Space Center. The nearly transparent exhaust is due to this engine s exhaust being mostly superheated steam (water vapor from its propellants, hydrogen and oxygen) …   Wikipedia

  • Rocket engine nozzle — A rocket engine nozzle is a propelling nozzle usually of the de Laval type used in a rocket engine to expand and accelerate the combustion gases, from burning propellants, so that the exhaust gases exit the nozzle at hypersonic… …   Wikipedia

  • Expanding nozzle — The expanding nozzle is a type of rocket nozzle that, unlike traditional designs, maintains its efficiency at a wide range of altitudes. It is a member of the class of altitude compensating nozzles, a class that also includes the plug nozzle and… …   Wikipedia

  • Altitude compensating nozzle — An altitude compensating nozzle is a class of rocket engine nozzles that are designed to operate efficiently across a wide range of altitudes.Conventional designsThe basic concept of any engine bell is to efficiently direct the flow of exhaust… …   Wikipedia

  • Bell nozzle — The Bell shaped or Contour nozzle is probably the most commonly used shaped nozzle. It has a high angle expansion section ( 20 to 50 degrees) right behind the nozzle throat; this is followed by a gradual reversal of nozzle contour slope so that… …   Wikipedia

  • Internal combustion engine — The internal combustion engine is an engine in which the combustion of a fuel (normally a fossil fuel) occurs with an oxidizer (usually air) in a combustion chamber. In an internal combustion engine, the expansion of the high temperature and high …   Wikipedia

  • Jet engine performance — This article describes how jet engine performance is estimated during the design phase. Similar techniques are used once the engine has been built and is being tested, except the performance of individual components, rather than being assumed, is …   Wikipedia

  • Hot bulb engine — The hotbulb, or hot bulb engine or vaporizing oil engine is a type of internal combustion engine. It is a surface ignition engine in which the superheated fuel is ignited by being brought into contact with oxygen rich fresh air, rather than by a… …   Wikipedia

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