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Engine system for the Airbus A3200
Engineering and Construction
Pages 5 (1255 words)
Response to Task: Engine System for the Airbus A3200 Name Institution FADEC SYSTEM FITTED TO THE V2500 ENGINE AIRBUS A3200 The modern aircraft has two types of electronic engine management system. These are the Full Authority Digital Electronic control system (FADEC) and the hydro mechanically controls system.
The FADEC controls the fuel injection and timing; hence, optimize engine power. This adds the considerable amount of wiring to the system due to the needed separate power supply for backup from the alternator. The extra weight of parts of FADEC system has to be checked and recalculated for adjustment. FADEC has cockpit controls and other extra switches added to this system to control the fuel pump. These systems are protected by the FADEC power supply (Gunston, 1990)). The ECU has a 3D memory map, which controls fuel injection under varied circumstances for instance, air pressure density and the air temperature, with respect to throttle settings and the RPM. The Electronic Control Unit can sense barometric pressure and respond by injecting fuel. The spark plug ignition timing is controlled depending on load for each throttle settings. The ignition timing variations yields faster engine starting and smoother operations with the variable loads. The FADEC engine does not need chocking during starting since the ECU controls fuel for every cylinder and assists in retarding the ignition. FADEC system does not use the carburettor and the ignition and does not also depend on aircraft electrical system (Guttman, 2009). On the other hand, in the hydromechanical control system, the driver is in control of the aircraft power plant using an internal combustion engine. ...
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