Aircraft Fuel System Aircraft Fuel System byby

A ALANKARA ALANKAR

FUNCTION:FUNCTION:

TO PROVIDE AN UN-INTERRUPTED SUPPLY OF FUEL TO THE ENGINE DRIVEN TO PROVIDE AN UN-INTERRUPTED SUPPLY OF FUEL TO THE ENGINE DRIVEN PUMP AT ALL OPERATING CONDITIONS OF THE AERO-ENGINEPUMP AT ALL OPERATING CONDITIONS OF THE AERO-ENGINE

EXCESSIVE VAPOUR FORMATION IN AN EXCESSIVE VAPOUR FORMATION IN AN OPEN VENTED TANK AT HIGH ALTITUDE.OPEN VENTED TANK AT HIGH ALTITUDE.

FREEZING OF FUEL / ICE FORMATION FREEZING OF FUEL / ICE FORMATION AT LOW TEMPERATURE.AT LOW TEMPERATURE.

MAINTAINING SHAPE AND POSITION MAINTAINING SHAPE AND POSITION OF TANKS SO THAT THEY DO NOT OF TANKS SO THAT THEY DO NOT COLLAPSE.COLLAPSE.

MAINTENANCE OF PRE-DETERMINED MAINTENANCE OF PRE-DETERMINED ORDER OF EMPTYING TANKS. ORDER OF EMPTYING TANKS.

SUPPLY OF FUEL TO THE ENGINE IN SUPPLY OF FUEL TO THE ENGINE IN INVERTED FLIGHT CONDITION BECOMES INVERTED FLIGHT CONDITION BECOMES INTERRUPTED.INTERRUPTED.

FIRE HAZARDS.FIRE HAZARDS.

FUEL TANKS ARE FUEL TANKS ARE

PRESSURIZED BY PRESSURIZED BY COMPRESSED AIR COMPRESSED AIR TAPPED FROM THE TAPPED FROM THE ENGINE COMPRESSOR ENGINE COMPRESSOR CASING.CASING.

BEFORE THE COMPRESSED IS BEFORE THE COMPRESSED IS PIPED INTO THE AIR SPACE INSIDE PIPED INTO THE AIR SPACE INSIDE AIRCRAFT FUEL TANKS, IT AIRCRAFT FUEL TANKS, IT PASSES THROUGH AN AIR-FILTER PASSES THROUGH AN AIR-FILTER AND SUBSEQUENTLY THROUGH A AND SUBSEQUENTLY THROUGH A PRESSURE REDUCING VALVE PRESSURE REDUCING VALVE (P.R.V.) AND ITS PRESSURE IS (P.R.V.) AND ITS PRESSURE IS REDUCED TO ABOUT 6 P.S.I. REDUCED TO ABOUT 6 P.S.I. (i.e.0.4 BAR).(i.e.0.4 BAR).

THIS AIR-PRESSURE IS THIS AIR-PRESSURE IS SUFFICIENT TO FEED THE FUEL SUFFICIENT TO FEED THE FUEL INTO EITHER THE COLLECTOR INTO EITHER THE COLLECTOR TANKS OR FUSELAGE TANKS TANKS OR FUSELAGE TANKS WHERE FUEL BOOSTER PUMPS WHERE FUEL BOOSTER PUMPS ARE FITTED TO SUPPLY THE FUEL ARE FITTED TO SUPPLY THE FUEL TO THE ENGINE DRIVEN PUMP TO THE ENGINE DRIVEN PUMP (E.D.P.).(E.D.P.).

EXTERNAL TANKS (i.e. DROP EXTERNAL TANKS (i.e. DROP TANKS AND REAR TANKS) ARE TANKS AND REAR TANKS) ARE EMPTIED FIRST. FUEL IS EMPTIED FIRST. FUEL IS TRANSFERRED FROM THERE TO TRANSFERRED FROM THERE TO THE FUSELAGE TANKS AND TO THE FUSELAGE TANKS AND TO THE WING TANKS. THE WING TANKS.

REMEMBER,REMEMBER,FUEL IS NOT FED TO FUEL IS NOT FED TO THE ENGINE DRIVEN THE ENGINE DRIVEN PUMP BY AIR PUMP BY AIR PRESSURE.PRESSURE.

TO RECUPERATOR TO RECUPERATOR TO TO REAR REAR IN FRONT TANK IN FRONT TANK TANKTANK

TO TO DROPDROP TANKTANK

P.R.V.P.R.V.

AIR-FILTERAIR-FILTER