Course Title: Aerospace Propulsion
Part B: Course Detail
Teaching Period: Term1 2012
Course Code: AERO5396
Course Title: Aerospace Propulsion
School: 130T Engineering (TAFE)
Campus: City Campus
Program: C6011 - Advanced Diploma of Engineering (Aerospace)
Course Contact : Program Manager
Course Contact Phone: +61 3 9925 4468
Course Contact Email:firstname.lastname@example.org
Name and Contact Details of All Other Relevant Staff
Mr. Kah Kheong Soo
Phone No. 61-3-99254019
Available Tuesday & Wednesday by appointment.
Nominal Hours: 80
Regardless of the mode of delivery, represent a guide to the relative teaching time and student effort required to successfully achieve a particular competency/module. This may include not only scheduled classes or workplace visits but also the amount of effort required to undertake, evaluate and complete all assessment requirements, including any non-classroom activities.
Pre-requisites and Co-requisites
MATH5156 Aerospace Mathematics 1
ONPS5098 Aerospace Physics 1
AERO5384 Introduction to Aerospace
AERO5389 Aerodynamics 1
The purpose of this course is to provide training in aerospace prolusion systems operation, configuration and application.
This course covers the principles and construction of aerospace propulsion, fuel and lubrication systems, turbo and supercharging, ignition and accessory systems. Types of propulsion covered include: 2 and 4 cycle piston, diesel and gas turbine engines; their application in aerospace and power and fuel efficiency calculations.
National Codes, Titles, Elements and Performance Criteria
National Element Code & Title:
VBH743 Aerospace Propulsion
1. Describe and explain constructional features of typical aerospace reciprocating engines.
2. Explain reciprocating engine operating principles and perform calculations relating to reciprocating engines.
3. Identify and explain piston engine starting and ignition system operational principles, configurations construction and components.
4. Describe and explain properties and classifications of aerospace engine fuels and lubricants and forms of fuel system contamination.
5. Explain aircraft carburettors and fuel injection systems, their components, operating principles and construction.
6. Explain operating principles and constructional features of wet and dry sump lubrication systems.
7. Explain the constructional features and operation of aircraft engine induction/intake, exhaust and cooling systems.
8. Explain supercharging systems, principles construction and operation.
9. Explain propeller operating principles and constructional rationale.
10. Explain constructional features and principles of operation of gas turbine engine assemblies and components.
11. Explain and compare the operation of various gas turbine engines and perform calculations relating to gas turbine engines.
12. Identify and explain gas turbine engine starting and ignition system operational principles, configurations construction and components.
13. Describe the basic requirements, arrangements and operating principles of power / thrust augmentation systems.
14. Explain requirements, arrangements and operating principles of aircraft engine control systems.
15. Describe engine operating procedures and interpret engine performance charts.
16. Identify and explain appropriate procedures for inspection, adjustment and functional checks of aircraft engines, systems and accessories.
17. Describe procedures which apply to engine storage, preservation and de-preservation.
Details of Learning Activities
1.1 Describe the function, operation and constructional details of engine components including:
valve operating mechanisms
crank case, accessory and reduction gearbox assemblies
crankshaft and connecting rod assemblies
2.1 Describe the operation of four stroke cycle engines in terms of:
2.2 Explain the relationship between engine rpm variations and:
2.3 Draw pressure/volume graphs which illustrate the effects of variations in valve and ignition timing
2.4 Explain how heat energy is converted into mechanical energy, and the relationship between volume, pressure and temperature during the Otto cycle of operation
2.5 Explain the meaning of, and from given information calculate engine operating parameters including:
2.6 Calculate piston displacement and compression ratio, from given information
2.7 Explain the meaning of the following terms and their relationship to engine power output, including:
indicated horsepower (IHP)
brake horsepower (BHP)
friction horsepower (FHP)
indicated mean effective pressure (IMEP)
brake mean effective pressure (BMEP)
friction mean effective pressure (FMEP)
rich best power
lean best power
cruise power mixture
2.8 Describe the meaning of ‘brake specific fuel consumption’ (BSFC)
2.9 Using given information, calculate the following for a typical engine:
2.10 Plot fuel consumption from engine power charts
3.1 Explain operating principles of magnetos including:
lines of flux
‘E’ gap angle
high and low tension
3.2 Explain the functions of ignition system components including:
contact breaker assemblies
3.3 Explain the construction and operating characteristics of a typical electrical starting system
4.1 Describe the properties and uses of aerospace engine lubricants including:
4.2 Describe characteristics of lubricants including:
lacquer and coke depositing
4.3 Describe aerospace engine fuel characteristics and classifications including:
anti knock additive
energy per pound (or kg)
4.4 Describe forms of fuel system contaminisation, and their detection methods including:
other grades/fuel types
5.1 Explain operating principles and constructional features for carburettor types including:
pressure injection type
5.2 Explain the function and operation of:
mixture control systems
power enrichment systems
air/fuel metering forces
5.3 Explain function and operating principles of fuel injection systems and components including:
altitude mixture controls
fuel control units
fuel/air metering forces
6.1 Explain operating principles and applications of wet and dry sump lubrication systems
6.2 Explain the constructional features and operation of lubrication system components including:
oil dilution sub systems
7.1 Explain the constructional features and operations of typical engine induction/intake and alternate air systems
7.2 Explain the construction and operation of typical engine exhaust systems
7.3 Explain the construction and operating characteristics of engine cooling systems and components including:
cylinder cooling fins
engine cowls and panels
8.1 Explain the purpose of and principles of supercharging and effects on:
brake horsepower (BHP)
charge density and temperature
manifold absolute pressure (MAP)
8.2 Explain the meaning of supercharging terms including:
deck/upper deck pressure
8.3 Describe the construction and operating principles of typical super/turbo charging systems and components including:
external (turbo supercharger)
8.4 Describe the operation and layout of various supercharger control systems
9.1 Describe the following:
Rankin-Froude momentum theory
momentum blade element theory
9.2 Explain the relationship and effect on propellers and propeller efficiency of variations to:
angle of attack
relative airflow direction
9.3 Describe propeller types and the effect each has on engine performance and power absorption, including:
9.4 Describe governor construction and operation
9.5 Describe propeller operating conditions including:
9.6 Describe propeller constructional terms, materials and features including:
pitch changing mechanisms
9.7 Describe the configuration and operation of propeller auxiliary systems including:
9.8 Describe propeller damage criteria and repair methods
10.1 Identify types of bearings and seals used in gas turbine engines, and describe their constructional features and principles of operation
10.2 Describe the purpose, construction and principles of operation of:
compressor inlet ducts
centrifugal compressor assemblies
axial flow compressor assemblies
centri-axial compressor assemblies
compressor airflow control systems
10.3 Explain what is meant by the terms:
10.4 Describe the purpose, construction and principles of operation of:
10.5 Describe the purpose, construction and principles of operation of:
nozzle guide vanes
turbine assemblies including:
variable nozzle exhaust systems
thrust reverser assemblies
10.6 Describe requirements, arrangements and operating principles of gas turbine engine systems including:
fuel control systems
fine detection and extinguishing systems
air systems for:
engine start systems
power generation and distribution systems
engine instrumentation systems
power/thrust augmentation systems
10.7 Describe the construction, configuration and operating principles of gas turbine engine firewalls, cowling, engine mounts and acoustic panels
11.1 Explain the operation of gas turbine engines in terms of:
Newton’s Laws of Motion
11.2 From given information, solve problems involving the application to gas turbine operation of:
Newtons Laws of Motion
11.3 Describe the constructional arrangements of the following engine types and compare their operational advantages and limitations:
11.4 Explain the meaning, application and relationship to gas turbine engine operation of the following:
choked nozzle thrust
equivalent shaft horsepower (ESHP)
specific fuel consumption (SFC)
11.5 Solve problems for thrust from given information including variations to:
11.6 Explain the meaning of, and from given information calculate:
11.7 With the aid of diagrams, explain the reasons for changes in pressure, temperature and velocity of the gas flow through each section of a gas turbine engine
11.8 Describe ‘alpha’ and ‘beta’ operational conditions and means of control for gas turbine/propeller applications
11.9 Describe configuration and operation of propeller auxiliary systems including:
12.1 Describe the basic requirements, arrangements and operating principles of the following engine starting systems:
Air turbine starters
pressure regulating and shut off valves
12.2 Describe the basic requirements, arrangements and operating principles of the following engine ignition systems:
high voltage AC input
igniter plug types
low voltage DC types
12.3 Describe the safety requirements during servicing and maintenance of gas turbine ignition systems
12.4 Identify the effects of faults in components on gas turbine engine starting and ignition systems
13.1 Describe the basic requirements and operating principles of the following power / thrust augmentation systems:
water / methanol injection
14.1 Describe the relationship, location and functions of engine control system units and components
14.2 Describe procedures for rigging and adjusting aircraft engine control systems
15.1 Describe general precautions and pre start up checks which apply to reciprocating and gas turbine engines
15.2 Describe general procedures for starting, ground run-up and stopping reciprocating and gas turbine engines
15.3 Interpret engine performance charts
16.1 From given information, describe procedures for inspection adjustment and functional checks of aircraft engines, systems and accessories
16.2 From given information, describe rectification and repair procedures for aircraft engines, systems and accessories
17.1 Describe storage and preservation procedures in the following engine types:
17.2 Describe the procedures for the preparation of reciprocating and gas turbine engines and accessories for installation, following storage, preservation or overhaul
Refer to Blackboard for Schedule
Aviation Technician Integrated Training Program ’Powerplant Section’ EA ITP-P
Airframe and Powerplant Mechanics ‘Powerplant Handbook’ EA-AC65-12A Federal Aviation Administration Publications, Washington DC, USA
Airframe and Powerplant Mechanic Acceptable Methods, Techniques and Practices: Aircraft Inspection Repair and Alterations, EA-AC43-13 1A & 2A. Federal Aviation Administration Publications, Washington DS, USA
Delp, F. Aircraft Ignition and Electrical Systems EA IGS International Aviation Publishing Inc, Casper, Wyoming, USA
Kroes, Wild, Bent & McKinley Aircrafts Powerplants
Delp, F. Aircraft Propellers and Controls, EA-APC International Aviation Publishing Inc., Casper, Wyoming, USA
Hurt, HH Jr. Aerodynamics For Naval Aviators, NAVWEPS 00-80T-80
Otis, Charles. Aircraft Gas Turbine Power Plants, EA-TEP-2 International Aviation Publishing Inc., Casper, Wyoming, USA. ISBN 0-89100-255-3-1AP
Rolls Royce. The Jet Engine, EDC Printing Services
Inwin, E. Treager. Aircraft Gas Turbine Engine Technology, McGraw Hill Publishing
Overview of Assessment
To successfully to complete this course the student is required to pass written assessment tasks and demonstrate skills and ability by completing practical tasks to aerospace standards.
15 Assignments - 40%
2 Written exams - 60%
|1||Principle of Operation|
|5||Carburettor & fuel injection systems|
|7||Cooling, Exhaust & Induction & Induction system|
|9||Theory; Gas Turbine|
|10||Performance; Gas Turbine|
|11||Intake; Gas Turbine|
|12||Compressor; Gas Turbine|
|13||Combustion; Gas Turbine|
|14||Turbine; Gas Turbine|
|15||Exhaust; Gas Turbine|
Assignments - 40%
Exams - 60% Piston & propeller
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