Module Title:Power Plant
Language of Instruction:English
Credits: 5
NFQ Level:7
Module Delivered In 2 programme(s)
Teaching & Learning Strategies: This module will be taught by lectures, demonstrations and practical tasks carried out by students on aircraft piston/gas turbine engines.
Module Aim: The aim of this module is to introduce the student to the working principles of the gas turbine engine and engine indications systems as found on modern commercial aircraft.
Learning Outcomes
On successful completion of this module the learner should be able to:
LO1 Explain the theoretical fundamentals of the gas turbine engine.
LO2 Understand the fundamentals of engine parameter sensing and indication.
LO3 Describe the operation of the inlet, compressor, combustion, turbine and exhaust sections in a Gas Turbine Engine.
LO4 Give a detailed description of the procedures for Gas Turbine Engine starting and ground run-up.
LO5 List the safety precautions to be observed when handling oils and fuels.
Pre-requisite learning
Module Recommendations

This is prior learning (or a practical skill) that is recommended before enrolment in this module.

No recommendations listed
Incompatible Modules
These are modules which have learning outcomes that are too similar to the learning outcomes of this module.
No incompatible modules listed
Co-requisite Modules
No Co-requisite modules listed
This is prior learning (or a practical skill) that is mandatory before enrolment in this module is allowed.
No requirements listed

Module Content & Assessment

Indicative Content
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 Gas Turbine Engines
Turbojet, turbofan, turboshaft and turbopropeller engines. Compressor inlet ducts, Effects of various inlet configurations, Ice protection, axial and centrifugal compressors, fan balancing, 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. Combustion section features and principles of operation. Operation and characteristics of different turbine blade types, blade to disk attachment, nozzle guide vanes, causes and effects of turbine blade stress and creep. Convergent, divergent and variable area nozzles. Engine noise reduction, thrust reversers.
Ancillary Systems
Operation of engine control and fuel metering systems including electronic engine control (FADEC); Systems lay-out and components. Operation of engine air distribution and anti-ice control systems including internal cooling, sealing and external air services. Operation of fire detection and extinguishing systems. Auxiliary Power Units (APUs): Purpose, operation, protective systems.
Starting and Ignition Systems
Operation of engine start systems and components; Ignition systems and components; Maintenance safety requirements.
Engine Instrumentation
Exhaust gas temperature/ Interstage turbine temperature systems, engine speed, engine thrust Indication: engine pressure ratio (EPR), engine Turbine Discharge pressure or jet pipe pressure systems, Oil pressure and temperature, Fuel pressure, temperature and flow, Manifold pressure, Engine torque and Propeller speed, Exhaust gas analysis.
Hybrid and Electric Propulsion
Series and parallel hybrid systems, BLDC and AC synchronous motors, Battery Management Systems (BMS), Battery types, chemistry and characteristics, DC to DC converters, Motor Control Modules (MCM). Diagnostic 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.
Lubricants and Fuels
Properties and specifications; Fuel additives; Safety precautions.
Powerplant Installation and Ground Operation
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. 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.
Assessment Breakdown%
Continuous Assessment10.00%
End of Module Formal Examination70.00%
Continuous Assessment
Assessment Type Assessment Description Outcome addressed % of total Assessment Date
Short Answer Questions Each student will take an exam consisting of 20 short questions which shall be administered during term time. 1,2,3 10.00 n/a
No Project
Assessment Type Assessment Description Outcome addressed % of total Assessment Date
Practical/Skills Evaluation Each student will complete Gas Turbine Engine related practical tasks during the module and complete a mini project and report based one or more Engine Indicating Systems. 1,2,3,4,5 20.00 Sem 1 End
End of Module Formal Examination
Assessment Type Assessment Description Outcome addressed % of total Assessment Date
Formal Exam Each student will sit a formal written examination at the end of the module for which a maximum of 70% will be awarded. 1,2,3,4,5 70.00 End-of-Semester

ITCarlow reserves the right to alter the nature and timings of assessment


Module Workload

Workload: Full Time
Workload Type Frequency Average Weekly Learner Workload
Lecture Every Week 2.50
Tutorial Every Week 0.50
Independent Learning Every Week 2.00
Total Hours 5.00

Module Delivered In

Programme Code Programme Semester Delivery
CW_EEAER_B Bachelor of Engineering (Honours) in Aerospace Engineering 5 Group Elective 2
CW_EEACS_D Bachelor of Engineering in Aircraft Systems 5 Group Elective 2