TYPICAL FUEL SYSTEM GAS TURBINE ENGINE.

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Presentation transcript:

TYPICAL FUEL SYSTEM GAS TURBINE ENGINE

1ST – WE WILL LOOK AT HYDROMECHANICAL SYSTEMS

MECHANICAL DRIVE FROM ENGINE OIL IN OIL OUT FUEL/OIL HEAT EXCHANGER FUEL DISTRIBUTION AND SPRAY NOZZLES BOOSTER PUMP LP FUEL PUMP WING FUEL TANK HP FUEL PUMP LP FUEL FILTER PUMP OUTPUT CONTROL SIGNAL FUEL CONTROL UNIT MULTI PLUNGER (SWASH-PLATE) PUMP TYPICAL FUEL SYSTEM - GAS TURBINE ENGINE

TYPICAL FUEL SYSTEM - GAS TURBINE ENGINE PUMP INPUT DRIVE LP FUEL IN PUMP IMPELLOR LOW PRESSURE PUMP TYPICAL FUEL SYSTEM - GAS TURBINE ENGINE

TYPICAL FUEL SYSTEM - GAS TURBINE ENGINE HOT OIL IN FCOC PRESSURE RELIEF VALVE COOLED OIL OUT FILTER PRESSURE RELIEF VALVE HOT LP FUEL OUT FUEL TUBES OIL BAFFLE PLATES FILTER PAPER ELEMENT FUEL COOLED OIL COOLER (FCOC) LP FUEL FILTER COLD LP FUEL IN FUEL/OIL HEAT EXCHANGER AND FUEL FILTER TYPICAL FUEL SYSTEM - GAS TURBINE ENGINE

SERVO (CONTROL) PRESSURE MECHANICAL INPUT DRIVE ‘SWASH’ PLATE SERVO PISTON SERVO (CONTROL) PRESSURE FUEL PUMPED OUT FUEL PUMPED OUT MECHANICAL INPUT DRIVE KIDNEY PLATE FUEL DRAWN IN FUEL DRAWN IN OPERATINGPISTON KIDNEY PORT MULTI PLUNGER (SWASH-PLATE) PUMP TYPICAL FUEL SYSTEM - GAS TURBINE ENGINE

TYPICAL FUEL SYSTEM - GAS TURBINE ENGINE FUEL FLOW GAL/HR LTR/SEC IDLE MAX PUMP MAXIMUM FLOW = CAMPLATE MAXIMUM ANGLE ‘STEADY-STATE’ FUEL DEMAND ‘STEADY-STATE’ CRUISE CAMPLATE ANGLE CRUISE FUEL FLOW PUMP MINIMUM FLOW = CAMPLATE MINIMUM ANGLE ENGINE RPM IDLE MAX CRUISE RPM MULTI PLUNGER (SWASH-PLATE) PUMP TYPICAL FUEL SYSTEM - GAS TURBINE ENGINE

NOW – WE WILL LOOK AT ELECTRONICALLY CONTROLLED SYSTEMS

MECHANICAL DRIVE FROM ENGINE OIL IN OIL OUT FUEL/OIL HEAT EXCHANGER FUEL DISTRIBUTION AND SPRAY NOZZLES BOOSTER PUMP LP FUEL PUMP WING FUEL TANK HP FUEL PUMP LP FUEL FILTER FUEL ‘SPILL’ FLOW FADEC – ELECTRONIC SIGNAL FUEL CONTROL UNIT GEAR TYPE PUMP TYPICAL FUEL SYSTEM - GAS TURBINE ENGINE

TYPICAL FUEL SYSTEM - GAS TURBINE ENGINE PUMP FLOW AND RESTRICTION TO FLOW IN CONTROLLER CAUSES PRESSURE TO INCREASE ‘SPUR’ GEARS Flow Controller FLOW OUT GEAR TYPE PUMP TYPICAL FUEL SYSTEM - GAS TURBINE ENGINE

TYPICAL FUEL SYSTEM - GAS TURBINE ENGINE FUEL FLOW GAL/HR LTR/SEC IDLE MAX PUMP FLOW PUMP OUTPUT ‘STEADY-STATE’ FUEL DEMAND SPILL FLOW CRUISE FUEL FLOW COMBUSTION FLOW ENGINE RPM IDLE MAX CRUISE RPM GEAR TYPE PUMP TYPICAL FUEL SYSTEM - GAS TURBINE ENGINE

TYPICAL FUEL SYSTEM - GAS TURBINE ENGINE FUEL FLOW GAL/HR LTR/SEC IDLE MAX PUMP FLOW COMBUSTION FLOW SPILL FLOW ENGINE RPM IDLE MAX GEAR TYPE PUMP TYPICAL FUEL SYSTEM - GAS TURBINE ENGINE

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