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Encyclopedia > Flame can
 A ring of can type combustors circles the mid section of this gas turbine.
A ring of can type combustors circles the mid section of this gas turbine.

A combustor is a small component or area of a gas turbine, ramjet or pulsejet engine where combustion takes place. It is also known as a burner or flame can depending on the design. In a gas turbine engine, the main combustor or combustion chamber is located between the (HP) compressor and the (HP) turbine of the gas generator. GE H Series Gas Turbine, electrical power generation This image is from: http://www. ... GE H Series Gas Turbine, electrical power generation This image is from: http://www. ... This machine has a single-stage radial compressor and turbine, a recuperator, and foil bearings. ... Small ramjet engine A ramjet, sometimes referred to as a stovepipe jet, is a type of jet engine. ... A pulse jet engine is a very simple form of internal combustion engine wherein the combustion occurs in pulses and the propulsive effort is a reaction to the rearward flow of hot gasses. ... An engine is something that produces some effect from a given input. ... A combustion chamber is part of an engine in which fuel is burned. ...


Combustor design requires that part of the airflow be almost stationary (Mach~0.05) where the fuel and air are mixed and ignited. This area of the combustor is sometimes called a flame holder and allows a stable flame front to be established and maintained.


In scramjet engines the combustor inlet flow is supersonic. Only a few practical scram-jets have flown and their details are not published yet. However, hydrogen fuel is believed to be injected into a sheltered region, below a reverse-facing step. Unlike a conventional combustor, the Mach number of the flow decreases going through the combustor. A scramjet (supersonic combustion ramjet) is a variation of a ramjet where the flow of the air and combustion of the fuel air mixture through the engine is done at supersonic speeds. ...


There are two categories of combustors, annular and can. Can combustors look like cans and are mounted around the engine. They can be easily removed for maintenance and provide convenient plumbing for fuel. Annular combustors are more compact and embedded deep within the engine's casing. Jet engines usually have annular combustors. Double annular combustors are being introduced to reduce emissions. At low throttle settings, one of the two discrete volumes in the combustor is unfueled. A Pratt and Whitney turbofan engine for the F-15 Eagle is tested at Robins Air Force Base, Georgia, USA. The tunnel behind the engine muffles noise and allows exhaust to escape. ...


Small gas turbine engines often have a reverse flow combustor, which is a very compact design. The gas path, from high radius entry to low radius exit, is 'S' shaped. This machine has a single-stage radial compressor and turbine, a recuperator, and foil bearings. ...


Some, mainly military, turbojets and turbofans have an afterburner located in the tailpipe, to provide thrust augmentation during Take-off and Combat. On unmixed turbofans, 'afterburning' in the bypass stream is often called Plenum Chamber Burning. A Pratt and Whitney turbofan engine for the F-15 Eagle is tested at Robins Air Force Base, Georgia, USA. The tunnel behind the engine muffles noise and allows exhaust to escape. ... CFM56-3 turbofan, lower half, side view. ... For other uses of afterburner, see Afterburner (disambiguation). ...


Combustors in rocket engines operate outside of the main rocket chamber and will usually be handling pre-combustion of fuel and LOX so that the mixture burns completely in the rocket motor combustion chamber.


 
 

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