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TYPICAL FUEL SYSTEM - PowerPoint PPT Presentation


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TYPICAL FUEL SYSTEM. GAS TURBINE ENGINE. 1 ST – WE WILL LOOK AT HYDROMECHANICAL SYSTEMS. MECHANICAL DRIVE FROM ENGINE. OIL IN. BOOSTER PUMP. OIL OUT. FUEL DISTRIBUTION AND SPRAY NOZZLES. PUMP OUTPUT CONTROL SIGNAL. FUEL/OIL HEAT EXCHANGER. LP FUEL PUMP. HP FUEL PUMP. WING FUEL

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Presentation Transcript
slide1

TYPICAL FUEL SYSTEM

GAS TURBINE ENGINE

slide3

MECHANICAL DRIVE FROM ENGINE

OIL IN

BOOSTER PUMP

OIL OUT

FUEL DISTRIBUTION AND SPRAY NOZZLES

PUMP OUTPUT CONTROL SIGNAL

FUEL/OIL

HEAT

EXCHANGER

LP FUEL PUMP

HP FUEL PUMP

WING

FUEL

TANK

LP FUEL FILTER

FUEL CONTROL UNIT

MULTI PLUNGER (SWASH-PLATE) PUMP

TYPICAL FUEL SYSTEM - GAS TURBINE ENGINE

slide4

PUMP INPUT DRIVE

LP FUEL IN

PUMP IMPELLOR

LOW PRESSURE PUMP

TYPICAL FUEL SYSTEM - GAS TURBINE ENGINE

slide5

HOT OIL IN

FCOC PRESSURE RELIEF VALVE

COOLED OIL OUT

FILTER PRESSURE RELIEF VALVE

HOT LP FUEL OUT

COLD LP FUEL IN

FUEL COOLED OIL COOLER (FCOC)

FUEL TUBES

OIL BAFFLE PLATES

LP FUEL FILTER

FILTER PAPER ELEMENT

FUEL/OIL HEAT EXCHANGER AND FUEL FILTER

TYPICAL FUEL SYSTEM - GAS TURBINE ENGINE

slide6

SERVO PISTON

‘SWASH’ PLATE

SERVO (CONTROL) PRESSURE

FUEL PUMPED OUT

MECHANICAL INPUT DRIVE

FUEL PUMPED OUT

KIDNEY PLATE

FUEL DRAWN IN

OPERATINGPISTON

KIDNEY PORT

FUEL DRAWN IN

MULTI PLUNGER (SWASH-PLATE) PUMP

TYPICAL FUEL SYSTEM - GAS TURBINE ENGINE

slide7

MAX

‘STEADY-STATE’ FUEL DEMAND

GAL/HR LTR/SEC

FUEL FLOW

PUMP MAXIMUM FLOW = CAMPLATE MAXIMUM ANGLE

‘STEADY-STATE’ CRUISE CAMPLATE ANGLE

PUMP MINIMUM FLOW = CAMPLATE MINIMUM ANGLE

IDLE

ENGINE RPM

IDLE

MAX

CRUISE FUEL FLOW

CRUISE RPM

MULTI PLUNGER (SWASH-PLATE) PUMP

TYPICAL FUEL SYSTEM - GAS TURBINE ENGINE

slide9

MECHANICAL DRIVE FROM ENGINE

OIL IN

BOOSTER PUMP

OIL OUT

FUEL DISTRIBUTION AND SPRAY NOZZLES

FUEL ‘SPILL’ FLOW

FADEC – ELECTRONIC SIGNAL

FUEL/OIL

HEAT

EXCHANGER

LP FUEL PUMP

HP FUEL PUMP

WING

FUEL

TANK

LP FUEL FILTER

FUEL CONTROL UNIT

GEAR TYPE PUMP

TYPICAL FUEL SYSTEM - GAS TURBINE ENGINE

slide10

PUMP FLOW AND RESTRICTION TO FLOW IN CONTROLLER CAUSES PRESSURE TO INCREASE

‘SPUR’ GEARS

FLOW OUT

Flow Controller

GEAR TYPE PUMP

TYPICAL FUEL SYSTEM - GAS TURBINE ENGINE

slide11

MAX

‘STEADY-STATE’ FUEL DEMAND

PUMP OUTPUT

GAL/HR LTR/SEC

FUEL FLOW

SPILL FLOW

PUMP FLOW

COMBUSTION FLOW

IDLE

ENGINE RPM

IDLE

MAX

CRUISE FUEL FLOW

CRUISE RPM

GEAR TYPE PUMP

TYPICAL FUEL SYSTEM - GAS TURBINE ENGINE

slide12

MAX

FUEL FLOW

PUMP FLOW

GAL/HR LTR/SEC

SPILL FLOW

COMBUSTION FLOW

IDLE

ENGINE RPM

IDLE

MAX

GEAR TYPE PUMP

TYPICAL FUEL SYSTEM - GAS TURBINE ENGINE