S.No |
Topics |
Instructor |
Lectures |
1 |
Introduction to Aircraft Propulsion.
|
Bhaskar Roy |
4 lectures |
1.1 |
The Gas Turbine Engine development for Aircraft Propulsion. |
1.2 |
How the jet engines makes thrust : conceptual basis. |
1.3 |
Jet engine performance parameters ; Thrust, SFC, Efficiencies. |
1.4 |
Simple Turbojet and Reheat engines: Low and High bypass Turbofan engines. |
1.5 |
Single and Multi-spool Gas Turbine based propulsive devices. |
2 |
Real Cycle Thermodynamic Analysis.
|
A M Pradeep |
4 lectures and 2 tutorials |
2.1 |
Introduction to Real Cycles. |
2.1.1 |
Ideal and Real Brayton cycles. |
2.1.2 |
Jet engine cycles for aircraft propulsion. |
2.1.3 |
Cycle components and component performance: Intake, Compressors & Turbines , Combustion chamber, Afterburner, Nozzle. |
2.1.4 |
Analysis of engine real cycles: Turbojet cycle, Reheat engine cycle, Turbofan engine cycle, Turboprop Engines. |
2.1.5 |
Advanced jet engine cycles: Variable cycle engines. |
3 |
Fundamentals of Rotating components.
|
Bhaskar Roy
|
2 lectures |
3.1 |
Thermodynamics of Compressors and Turbines. |
3.2 |
Development of parameters for compressor and Turbines. |
4 |
Compressors and Turbines.
|
|
|
4.1 |
Axial and centrifugal Compressors: |
A M Pradeep |
4 lectures and 1 tutorial |
4.1.1 |
A simple two dimensional analytical model. |
4.1.2 |
2-D (cascade) analysis; Loss and Blade performance estimation. |
4.1.3 |
Simple Free Vortex theory. |
4.1.4 |
Single and Multi-stage Axial compressor characteristics. |
4.1.5 |
Elements of centrifugal compressor. |
4.1.5.1 |
Inlet Duct; Impeller; Slip factor and Concept of Rothalpy. |
4.1.6 |
Centrifugal Compressor Characteristics: Surging and Choking. |
4.2 |
Axial and Radial flow turbines. |
Bhaskar Roy |
3 lectures and 1 tutorial |
4.2.1 |
Introduction. |
4.2.2 |
Turbine stage : Turbine Blade 2-D (cascade) analysis; Work Done, Degree of Reaction, Losses and Efficiency. |
4.2.3 |
Multi-staging of Turbine. |
4.2.4 |
Turbine Cooling Technology. |
4.2.5 |
Radial Turbine Aerodynamics and Thermodynamics. |
4.2.6 |
Losses in radial turbine and efficiency. |
5 |
Combustion Systems.
|
Bhaskar Roy |
3 lectures |
5.1 |
Introduction : Various types of combustion chambers in aircraft engines. |
5.2 |
Combustion Mechanism and Important Combustion parameters. |
5.3 |
Development of a practical combustion system and design parameters. |
5.4 |
Pressure losses ; Combustion efficiency; Combustion intensity. |
5.5 |
Combustion Stability limits and Instability. |
5.6 |
Fuels and their properties and Fuel injection systems. |
6 |
Intakes and Propelling Nozzles.
|
A M Pradeep |
4 lectures and 1 tutorial |
6.1 |
Intakes. |
6.1.1 |
Requirements of an Intake for Powerplant: Transport, Military Aircraft. |
6.1.2 |
Subsonic Intakes, Transonic and Supersonic Intakes. |
6.1.3 |
Axi-symmetric and Assymmetric Intakes. |
6.1.4 |
Aircraft Intake design considerations. |
6.2 |
Propelling Nozzles. |
6.2.1 |
Energy conversion in a Nozzle. |
6.2.2 |
Nozzle design considerations: fixed and variable geometry nozzles. |
6.2.3 |
C-D nozzle and their use. |
7 |
Engine Installed Performance, Sizing & Matching.
|
Bhaskar Roy |
4 lectures and 1 tutorial |
7.1 |
Introduction to engine component sizing. |
7.2 |
Installed Performance of Engine. |
7.3 |
Dimensional analysis for component matching. |
7.4 |
Engine - Design Point Operations. |
7.5 |
Engine Off Design Operations. |
7.5.1 |
Single Shaft Engine. |
7.5.2 |
Two-Shaft : Turbojet & Turbo-prop, Turbo-shaft Engines. |
7.5.3 |
The Engine Operating Lines |
7.5.4 |
Operational details of multiple shaft engines. |
7.6 |
Aircraft Engine component matching: |
7.6.1 |
Intake-Compressor matching; Turbine-Nozzle matching. |
7.6.2 |
Compressor -Turbine matching : Single and Multi-spool. |
7.6.3 |
Free Turbine and Unducted Fan / Propeller matching. |
8 |
Ramjets, Pulsejets and Scramjets.
|
A M Pradeep and Bhaskar Roy |
4 lectures and 1 tutorial |
8.1 |
Use of Ramjets and Pulsejets in Aircraft propulsion. |
8.2 |
Operating Principles. |
8.3 |
Thermodynamic Cycle. |
8.4 |
Performance Parameters. |
8.5 |
Design and Performance of a Ramjet. |
8.6 |
Flow in Diffusers, Combustors and Nozzles. |
8.7 |
Principles of Scramjet Engines. |
9 |
Future of Aircraft Propulsion. |
A M Pradeep and Bhaskar Roy |
1 lecture |
Total No of Lecture and Tutorial (33+7) |
40 hours |
