Mechanical Engineering Elective I
ME72506
|
Lecture |
: 3 |
Year |
: IV |
|
Tutorial |
: 1 |
Part |
: I |
|
Practical |
: 3/2 |
Course Objective:
To develops basic idea about different types of aircraft. To become familiar with different types of aircraft structure, construction & materials and to develop basic idea about the airframe maintenance.
|
1. Introduction to Aircraft |
(2 hours) |
1.1.History of aircraft
1.2.Development trends of aircraft on the aspect of design and scale
1.3.Classification of Aircraft on the basis of engine, Commercial application and manufacturer
1.4.Modern era of Aircraft
1.5.Introduction of Aircraft use in Nepal
|
2. Main component of Air Frame |
(18 hours) |
2.1.Fuselage
2.1.1.Construction and pressurisation sealing;
2.1.2.Wing, stabiliser, pylon and undercarriage attachments
2.1.3.Seat installation and cargo loading system
2.1.4.Doors and emergency exits: construction, mechanisms
2.1.5.Operation and safety devices
2.1.6.Windows and windscreen construction and mechanisms.
2.2.Wings
2.2.1.Construction;
2.2.2.Fuel storage;
2.2.3.Landing gear, pylon, control surface and high lift/drag attachments
2.3.Landing Gear
2.3.1.Construction, shock absorbing;
2.3.2.Extension and retraction systems: normal and emergency;
2.3.3.Indications and warning;
2.3.4.Wheels, brakes, antiskid and auto braking;
2.3.5.Tyres;
2.3.6.Steering.
2.4.Empennage
2.4.1.Construction;
2.4.2.Control surface attachment.
2.4.3.Tail functions and arrangement
2.4.4.Horizontal Stabilizer
2.4.5.Vertical Stabilizer
2.4.6.Rudder and Elevator
|
3. Flight Control Surfaces |
(3 hours) |
3.1.Primary controls: aileron, elevator, rudder, spoiler;
3.2.Trim control;
3.3.Active load control;
3.4.High lift devices;
3.5.Lift dump, speed brakes;
3.6.System operation: manual, hydraulic, pneumatic, electrical
3.7.Artificial feel, Yaw damper, Mach trim, rudder limiter, gust
3.8.Locks systems;
3.9.Balancing and rigging
|
4. Hydraulic & Pneumatic System |
(3 hours) |
4.1.Hydraulic systems and its components
4.2.Pneumatic system and its components
|
5. Equipment and Furnishings |
(3 hours) |
5.1.Emergency equipment requirements; Seats, harnesses and belts.
5.2.Cabin lay-out; Equipment lay-out;
5.3.Cabin Furnishing Installation;
5.4.Cabin entertainment equipment;
5.5.Galley installation;
5.6.Cargo handling and retention equipment;
5.7.Air stairs.
|
6. Fuel Systems |
(5 hours) |
6.1.System Layout
6.2.Fuel Tanks
6.3.Supply system
6.4.Dumping, Venting & Draining
6.5.Cross feed & Transfer
6.6.Indication & warning
6.7.Refuelling & Defueling
|
7. Other equipments & Components |
(9 hours) |
7.1.Fire Protection system
7.2.Lighting System
7.3.Waste and Water system
7.4.Oxygen supply
7.5.Ice & Rain Protection system
7.6.Air conditioning systems & distribution
7.7.Cabin Pressurisation
7.8.Safety & Warning Device
|
8. Maintenance of Airframe |
(2 hours) |
8.1.Maintenance work of airframe
8.2.Maintenance equipments & tools
8.3.Spare parts management
Practical:
Practical means project work and report have to be submitted at the end of the course. The report should be around 20-30 pages plus appendix in the context of different types of piston and jet engines aircraft , corresponding airframe constructions, layout and their maintenance practice in Nepal.
1.Case study
2.Site visit
References:
1.Michael Chun-Yung Niu, “Airframe Structural Design”, Hong Kong Conmilit Press Ltd.
2.“Airframe & Power plant Mechanics”, U.S. Department of Transportation, Federal Aviation Administration (FAA), AC65-12A & 15A
3.Daniel P. Raymer, “Aircraft Design: A conceptual Approach”, American Institute of Aeronautics & Astronautics (AIAA) Education.
4.Bandu N. Pamadi, “Performance, Stability, Dynamics, and Control of Airplanes”, AIAA Education Series.
5.R.S.shevell, “Fundamentals of Flight”, Pearson Education, Second Edition.
6.John J. Bertin , “Aerodynamics for Engineers”, Pearson Education.
7.Aircraft Manual of different manufactures
Evaluation Scheme:
The questions will cover all the chapters of the syllabus. The evaluation scheme will be as indicated in the table below:
|
Unit |
Chapter |
Topics |
Marks |
|
1 |
1, 3 & 4 |
all |
16 |
|
2 |
2 |
2.1 & 2.2 |
16 |
|
3 |
2 |
2.3 & 2.4 |
16 |
|
4 |
5, 6 & 8 |
all |
16 |
|
5 |
7 |
all |
16 |
|
Total |
80 |
