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Information Seminar Paper

Title

REFUEL/DEFUEL SYSTEMFUNCTIONAL DESIGN OF A CIVIL AIRCRAFT CONFIGURATION

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 Start Page | End Page

Abstract

 IN THIS PAPER A CIVIL AIRCRAFT FUEL SYSTEM DESIGN WITH SPECIAL FOCUS ON REFUEL AND DEFUEL SYSTEM IS CONSIDERED AND FUNCTIONAL PROTOCOL DESIGN OF THE BOTH REFUEL AND DEFUEL SYSTEMS WITH LAYOUT DESIGN IS PRESENTED. REFUEL SYSTEM OF A COMMERCIAL AIRCRAFT WITH ABOUT 150 PASSENGERS IS DESIGNED BYSPECIFYING INTERFACES WITH RELEVANT SYSTEMS INCLUDING FUEL MEASUREMENT, FUEL MANAGEMENT AND TANK VENTING AS WELL AS FUEL TRANSFER.DEFUEL SUBSYSTEM FUNCTIONAL PROTOCOL IS DESIGNED AS WELL. SOME OF THE REFUEL PIPELINES AND BOOST PUMPS WERE EMPLOYED FOR DEFUEL APPLICATION. SEQUENCE OF TANK REFUELING AND DEFUELING WITH THEIR LIMITS WERE DISCUSSED AND ALSO SOME RELEVANT REGULATIONS (SPECIALLY FROM IRANIAN CIVIL AVIATION DERIVATIVES) WERE USED AND THEIR COMPLIANCE WERE CHECKED TO MAKE THE DESIGN ACCURATE.IN A BRIEF MANNER, TANK REFUELING STARTS FIRSTLY FROM THE WING TANK. FUEL IS DELIVERED TO THE OUTER WING TANK AND WHEN IT REACHES THE FULL CAPACITY, A SPILL PIPE PLACED AT THE TOP OF THE OUTER WING TANK TRANSFER THE FUEL TO THE INNER WING TANK AUTOMATICALLY. INNER WING TANK IS FILLED UP WHEN HIGH LEVEL SENSORS BECOMES WET AND FUEL MEASUREMENT AND MANAGEMENT SYSTEMS INVOLVED. THE DESIGN LAYOUT AND PROTOCOLS COMPLY ALL OF THE REFUEL AND DEFUEL REQUIREMENTS LIKE SOME OTHER COMMERCIAL AIRCRAFT DESIGN. FUNCTIONAL PROTOCOLS ALGORITHMS WHICH ARE REQUIRED FOR MANAGEMENT SYSTEM DESIGN WERE COMPLETELY DETERMINED FOR REFUEL AND DEFUEL SYSTEMS.

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