Module 15. Gas Turbine Engine
Free
This course is currently closed
Free
This course is currently closed
Module Details
Module 15. Gas Turbine Engine
40 Students
1 month
Current Status
Not Enrolled
Price
Closed
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This course is currently closed
Module
Materials
15.1 Fundamentals
- Potential energy, kinetic energy, Newton's laws of motion, Brayton cycle;
- The relationship between force, work, power, energy, velocity, acceleration;
- Constructional arrangement and operation of turbojet, turbofan, turboshaft, turboprop
15.2 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 and engine pressure ratio;
- Pressure, temperature and velocity of the gas flow;
- Engine ratings, static thrust, influence of speed, altitude and hot climate, flat rating, limitations
15.3 Inlet
- Compressor inlet ducts
- Effects of various inlet configurations;
- Ice protection
15.4 Compressors
- Axial and centrifugal types;
- Constructional features and operating principles and applications;
- Fan balancing;
- Operation:
- Causes and effects of compressor stall and surge;
- Methods of air flow control: bleed valves, variable inlet guide vanes, variable stator vanes, rotating stator blades;
- Compressor ratio
15.5 Combustion Section
Constructional features and principles of operation
15.6 Turbine Section
- Operation and characteristics of different turbine blade types;
- Blade to disk attachment;
- Nozzle guide vanes;
- Causes and effects of turbine blade stress and creep
15.7 Exhaust
- Constructional features and principles of operation;
- Convergent, divergent and variable area nozzles;
- Engine noise reduction;
- Thrust reversers
15.8 Bearings and Seals
- Constructional features and principles of operation
15.9 Lubricants and Fuels
- Properties and specifications;
- Fuel additives;
- Safety precautions
15.10 Lubrication Systems
- System operation/lay-out and components
15.11 Fuel Systems
- Operation of engine control and fuel metering systems including electronic engine control(FADEC);
- Systems lay-out and components
15.12 Air Systems
- Operation of engine air distribution and anti-ice control systems, including internal cooling, sealing and external air services.
15.13 Starting and Ignition Systems
- Operation of engine start systems and components;
- Ignition systems and components;
- Maintenance safety requirements
15.14 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
15.15 Power Augmentation Systems
- Operation and applications;
- Water injection, water methanol;
- Afterburner systems
15.16 Turbo-prop Engines
- Gas coupled/free turbine and gear coupled turbines;
- Reduction gears;
- Integrated engine and propeller controls;
- Overspeed safety devices
15.17 Turbo-shaft engines
- Arrangements, drive systems, reduction gearing, couplings, control systems
15.18 Auxiliary Power Units (APUs)
- Purpose, operation, protective systems
15.19 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
15.20 Fire Protection Systems
- Operation of detection and extinguishing systems
15.21 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
15.22 Engine Storage and Preservation
- Preservation and depreservation for the engine and accessories/systems
Module Content
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