AE40030: Advanced Gas Turbine Theory

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AE40030
Course name Advanced Gas Turbine Theory
Offered by Aerospace Engineering
Credits 3
L-T-P 3-0-0
Previous Year Grade Distribution
1
3
4
2
3



EX A B C D P F
Semester Spring


Syllabus[edit | edit source]

Syllabus mentioned in ERP[edit | edit source]

Prerequisites: AE31001, AE31008 3 - 0 - 0: 3 Credits General propulsion systems, Theory of intakes and exhaust systems, thrust reversal, jet engine noise and methods of noise reduction, Cycle analysis of one and two spool engines, Equilibrium running of gas turbine engines, Component matching, Transient behavior, Design consideration of axial flow multistage machines, stream line curvature method, radial equilibrium equation, Design and off-design performance.


Concepts taught in class[edit | edit source]

Course Content:[edit | edit source]

1. Introduction to aircraft propulsion system.

2. Different types of gas turbine engine based on their application.

3. Evaluation and history of aircraft propulsion.

4. Thrust equation and contribution of major components of the gas turbine engine to the thrust generation.

5. Engine efficiencies and their formulation

6. Altitude and Ram effect on engine performance.

7. Brayton cycle (Ideal and actual) and parametric analysis for turbojet, turbofan (single, two and three spool), mixed and un-mixed flow turbofan, forward and aft fan configuration, with and

without afterburner, turbofan engine with intercooling and regeneration.

8. Engine installation and placement.

9. Theory of subsonic and supersonic intake.

10. Design procedure of subsonic intake.

11. Axial flow compressor: Construction of axial compressor, Euler’s equation and velocity triangles, Parameters like Diffusion factor, Degree of reaction, De Haller’s factor, Vortex theory and radial equilibrium, Compressor flow path, Compressor performance characteristics, Multi staging of compressor, Stall, Choking, Instability in axial compressors (Surge).

12. Axial flow turbine: Construction and types of axial turbines, Euler turbine equation and velocity triangles, Vortex theory and radial equilibrium, Turbine blade loading, Turbine performance

characteristics.

13. Nozzle: Requirements of nozzles, Nozzle performance parameters, Types of nozzles, Working of Convergent and CD Nozzle, Operations under Variable flow conditions, Variable geometry

nozzles application to aircraft, Nozzle performance in relate to overall Engine

14. Thrust reverser: Requirements of thrust reverser, Types of thrust reverser.

15. Thrust vectoring: Needs of Thrust vectoring, Types of thrust vectoring, Working of thrust vectoring.

Student Opinion:[edit | edit source]

The course is offered as an elective from the department of Aerospace engineering. This course is comprehensively designed for detail understanding of gas turbine engine. The course has term projects on parametric analysis using software and design of subsonic intake using theoretical calculation and CFD study.

How to Crack the Paper[edit | edit source]

Classroom resources[edit | edit source]

Additional Resources[edit | edit source]


Time Table[edit | edit source]

Day 8:00-8:55 am 9:00-9:55 am 10:00-10:55 am 11:00-11:55 am 12:00-12:55 pm 2:00-2:55 pm 3:00-3:55 pm 4:00-4:55 pm 5:00-5:55 pm
Monday 2nd Year Class Room
Tuesday 2nd Year Class Room 2nd Year Class Room
Wednesday
Thursday
Friday