15.01: Fundamentals

15.01: Fundamentals

Potential energy, kinetic energy, Newton's laws of motion, Brayton cycle; The relationship between force, work, power, energy, velocity, acceleration; Constructional arrangement & operation of turbojet, turbofan, turboshaft, turboprop.

15.02: Engine Performance

15.02: Engine Performance

Gross thrust, net thrust, choked nozzle thrust, thrust distribution, resultant thrust, thrust horsepower, equivalent shaft horsepower, specific fuel consumption; Engine efficiencies; By-pass ratio & engine pressure ratio; Pressure, temperature & velocity of the gas flow; Engine ratings, static thrust, influence of speed, altitude & hot climate, flat rating, limitations.

15.03: Inlet

15.03: Inlet

Compressor inlet ducts; Effects of various inlet configurations; Ice protection.

15.04: Compressors

15.04: Compressors

Axial & centrifugal types; Constructional features & operating principles & applications; Fan balancing; Operation; Causes & effects of compressor stall & surge; Methods of air flow control: bleed valves, variable inlet guide vanes, variable stator vanes, rotating stator blades; Compressor ratio.

15.05: Combustion Section

15.06: Turbine Section

Operation & characteristics of different turbine blade types; Blade to disk attachment; Nozzle guide vanes; Causes & effects of turbine blade stress & creep.

15.06: Turbine Section

15.06: Turbine Section

Operation & characteristics of different turbine blade types; Blade to disk attachment; Nozzle guide vanes; Causes & effects of turbine blade stress & creep.

15.07: Exhaust

15.07: Exhaust

Constructional features & principles of operation; Convergent, divergent & variable area nozzles; Engine noise reduction; Thrust reversers.

15.08: Bearings & Seals

15.08: Bearings & Seals

Constructional features & principles of operation.

15.09: Lubricants & Fuels

15.09: Lubricants & Fuels

Properties & specifications; Fuel additives; Safety precautions.

15.10: Lubrication Systems

15.10: Lubrication Systems

System operation/layout & components.

15.11: Fuel Systems

15.11: Fuel Systems

Operation of engine control & fuel metering systems including electronic engine control (FADEC); Systems layout & components.

15.12: Air Systems

15.12: Air Systems

Operation of engine air distribution & anti-ice control systems, including internal cooling, sealing & external air services.

15.13: Starting & Ignition Systems

15.13: Starting & Ignition Systems

Operation of engine start systems & components; Ignition systems & components; Maintenance safety requirements.

15.14: Engine Indication Systems

15.14: Engine Indication Systems

Exhaust Gas Temperature/Interstage Turbine Temperature; Engine Thrust Indication: Engine Pressure Ratio, engine turbine discharge pressure or pipe pressure systems; Oil pressure & temperature; Fuel pressure & flow; Engine speed; Vibration measurement & indication; Torque; Power.

15.15: Power Augmentation Systems

15.15: Power Augmentation Systems

Operation & applications; Water injection, water methanol; Afterburner systems.

15.16: Turbo-prop Engines

15.16: Turbo-prop Engines

Gas coupled/free turbine & gear coupled turbines; Reduction gears; Integrated engine & propeller controls; Overspeed safety devices.

15.17: Turbo- shaft Engines

15.17: Turbo- shaft Engines

Arrangements, drive systems, reduction gearing, couplings, control systems

15.18: Auxiliary Power Units (APUs)

15.18: Auxiliary Power Units (APUs)

Purpose, operation, protective systems.

15.19: Powerplant Installation

15.19: Powerplant Installation

Configuration of firewalls, cowlings, acoustic panels, engine mounts, anti-vibration mounts, hoses, pipes, feeders, connectors, wiring looms, control cables & rods, lifting points & drains.

15.20: Fire Protection Systems

15.20: Fire Protection Systems

Operation of detection & extinguishing systems.

15.21: Engine Monitoring & Ground Operation

15.21: Engine Monitoring & Ground Operation

Procedures for starting & ground run-up; Interpretation of engine power output & parameters; Trend (including oil analysis, vibration & boroscope) monitoring; Inspection of engine & components to criteria, tolerances & data specified by engine manufacturer; Compressor washing/cleaning; Foreign Object Damage.

15.22: Engine Storage & Preservation

15.22: Engine Storage & Preservation

Preservation & depreservation for the engine & accessories/systems.

 

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