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The fuel system must supply clean, accurately metered fuel to the combustion chamber. Most turbine engine fuel systems have the same components: fuel control, pressure pumps, fuel flow divider, manifold, and atomizers. There are two types of fuel controls: hydromechanical and electronic. Engine-driven fuel pumps are high-pressure, positive-displacement, gear type pumps, and the fuel nozzles are either simplex or duplex. However, some engines use vaporizer tubes in place of fuel nozzles. Some gas turbine engines use a fuel oil-cooler to cool the oil.


David L. Heiserman, Editor

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Revised: June 06, 2015