Aircraft Gas Turbine Engine Systems

课程简介

/ Indicative Syllabus Basic Aircraft Turbine Engine Design and Construction Constructional arrangement and operation of turbojet, turbofan, turboshaft, turboprop. Compressor stall/surge Causes and effects of compressor stall and surge and its prevention. Bearings and Seal Constructional features and principles of operation. Lubricants and Fuel Properties and specifications; Fuel additives; Safety precautions. Lubrication Systems System operation/lay-out and components. Fuel Systems Operation of engine control and fuel metering systems including electronic engine control (FADEC); systems lay-out and components. -- 1 of 4 -- Air Systems Operation of engine air distribution and anti-ice control systems, including internal cooling, sealing and external air services. Starting and Ignition Systems Operation of engine start systems and components; ignition systems and components; maintenance safety requirements Engine Indication Systems Exhaust gas temperature / interstage turbine temperature; engine thrust indication: engine pressure ratio, engine turbine discharge pressure or jet pipe pressure systems; oil pressure and temperature; fuel pressure and flow; engine speed; vibration measurement and indication; torque; power. Power Augmentation Systems Operation and applications; water injection, water methanol; afterburner systems. Turbo-prop Engines Gas coupled/free turbine and gear coupled turbines; reduction gears; integrated engine and propeller controls; overspeed safety devices. Turbo-shaft engines Arrangements, drive systems, reduction gearing, couplings, control systems. Auxiliary power units (APUs) Purpose, operation, protective systems. Powerplant Installation Configuration of firewalls, cowlings, acoustic panels, engine mounts, anti- vibration mounts, hoses, pipes, feeders, connectors, wiring looms, control cables and rods, lifting points and drains. Engine Monitoring and Ground Operation Procedures for starting and ground run-up; interpretation of engine power output and parameters; trend (including oil analysis, vibration and boroscope) monitoring; inspection of engine and components to criteria, tolerances and data specified by engine manufacturer; compressor washing/cleaning; foreign object damage. Engine Storage and Preservation Preservation and depreservation for the engine and accessories / systems. -- 2 of 4 -- Teaching/Learnin g Methodology Lectures are used to deliver the fundamental knowledge in relation to aircraft gas turbine engines (outcomes a to c). Tutorials are used to illustrate the applications of fundamental knowledge to practical situations (outcomes a to c).

目标

To provide students with knowledge of aircraft gas turbine engine systems and application in engine monitoring and maintenance Intended Learning Outcomes Upon completion of the subject, students will be able to: a. Acquire good understanding of aircraft turbine engine design and construction. b. Demonstrate good understanding of compressor stall/surge and its prevention. c. Apply their knowledge and skills to explain the limitations of aircraft gas turbine engines under normal and abnormal operational conditions.