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Course Co-ordinated by IIT Madras
 Coordinators Prof. V. Babu IIT Madras

Untitled Document
• Gas dynamics
• Introduction
• Fundamental Ideas
• Normal shocks
• Rayleigh flow
• Fanno flow
• Quasi 1D flows
• Oblique shocks
• Prandtl-Meyer waves
• Propulsion
• Thrust
•  Modes of Propulsion
•  Operation of a Basic Gas Turbine Engine
•  Turbojet, Afterburning Turbojet and Turbofan Engine
•  Detailed Analysis of the parts of a Gas Turbine Engine
•   Intake – Subsonic
•   Compressor Aerodynamics
•   Combustor
•   Emissions
•  Turbine Aerodynamics
•   Cooling, Materials & Metallurgy
•   Nozzles
•  Turbofan Engine
•  Emerging Trends
•  Ramjet & Turboramjet Engine
•  Supersonic Intakes
•   Scramjet Engine
•   Thrust Equation
•   Thermodynamic Analysis
•   Thrust Calculations – Turbojet, Turbofan, Ramjet Engine

 Lecture Topics and contents 1 Introduction - Compressibility of Fluids; Compressible and Incompressible Flows; Perfect Gas Equation of State; Calorically Perfect Gas 2 One Dimensional Flows – Basics Governing Equations; Acoustic Wave Propagation Speed; Mach Number; Reference States – sonic state 3 One Dimensional Flows – Basics (cont’d) Reference States – stagnation state; T-s and P-v Diagrams in Compressible Flows 4 Normal Shock Waves - Governing Equations; Mathematical Derivation of the Normal Shock Solution 5 Normal Shock Waves - (cont’d) Illustration of the Normal Shock Solution on T-s and P-v diagrams; Worked example 6 Normal shock waves - (cont’d) Further Insights into the Normal Shock Wave Solution 7 Flow with Heat Addition - Rayleigh Flow Governing Equations; Illustration on T-s and P-v diagrams 8 Flow with Heat Addition - Rayleigh Flow (cont’d) Thermal Choking and Its Consequences 9 Flow with Heat Addition - Rayleigh Flow (cont’d) Worked example 10 Flow with Friction - Fanno Flow Governing Equations; Illustration on T-s diagram 11 Flow with Friction - Fanno Flow (cont’d) Friction Choking and Its Consequences; Worked example 12 Quasi One Dimensional Flows - Governing Equations; Impulse Function and Thrust; Area Velocity Relation 13 Quasi One Dimensional Flows - (cont’d) Geometric Choking; Area Mach number Relation for Choked Flow; Mass Flow Rate for Choked Flow 14 Quasi One Dimensional Flows - (cont’d) Flow Through A Convergent Nozzle; Flow Through A Convergent Divergent Nozzle 15 Quasi One Dimensional Flows - (cont’d) Worked example; Supersonic Wind Tunnels and Intakes; Worked example 16 Quasi One Dimensional Flows - (cont’d) Interaction between Nozzle Flow and Fanno, Rayleigh Flows; Worked examples 17 Oblique Shock Waves Introduction; Governing Equations; q-b-M curve 18 Oblique Shock Waves - (cont’d) Worked examples; Detached Shocks 19 Oblique Shock Waves - (cont’d) Reflected Shocks - Reflection from a Wall 20 Prandtl Meyer Flow - Propagation of SoundWaves and the Mach Wave; Prandtl Meyer Flow Around Concave and Convex Corners 21 Prandtl Meyer Flow- Prandtl Meyer Solution; Reflection of Oblique Shock From a Constant Pressure Boundary ; Worked example 22 Basic ideas in aircraft propulsion Thrust; Modes of Propulsion 23 Turbojet engine Operation of a turbojet and afterburning turbojet engine 24 Turbojet engine - (cont’d) Component analysis – intake and compressor 25 Turbojet engine - (cont’d) Component analysis – combustor, turbine and nozzle 26 Turbofan engine 27 Turbofan engine - (cont’d) Component analysis – Fan 28 Turbofan engine Emerging trends 29 Ramjet and turboramjet engines Operation of a Ramjet Engine and a Turboramjet Engine 30 Ramjet and turboramjet engines Component analysis – Supersonic Intake 31 Ramjet and turboramjet engines Component analysis – Supersonic Intake 32 Scramjet engines 33 Thermodynamics of jet engines Thrust Equation for a Turbojet and Turbofan Engine; T-s diagram of a Turbojet Engine 34 Thermodynamics of jet engines Component efficiencies; T-s diagram of a Turbofan Engine 35 Thrust calculations Turbojet and Turbofan engine 36 Thrust calculations (cont’d) Turbojet and Turbofan engine (cont’d) 37 Thrust calculations (cont’d) Afterburning Turbojet and Ramjet Engine 38 Thrust calculations (cont’d)  Worked example 39 Thrust calculations (cont’d) Worked example 40 Thrust calculations (cont’d)  Worked example

• Freshman level Thermodynamics

1. Fundamentals of Gas Dynamics by V. Babu, ANE Student Edition, 2008.
2. Fundamentals of Propulsion by V. Babu ANE Student Edition, 2009.

1. Mechanics and Thermodynamics of Propulsion by P. G. Hill and C. R. Peterson, Third Edition, Addison Wesley, 1991.
2. Elements of Gas Turbine Propulsion by J. D. Mattingly, McGraw-Hill Series in Aeronautical and Aerospace Engineering, 1996.
3. Aerothermodynamics of Gas Turbine and Rocket Propulsion by G. C. Oates, Third edition, AIAA Education Series, 1997.
4. Aerothermodynamics of Aircraft Engine Components by G. C. Oates, AIAA Education Series, 1985.
5. Gas Turbine Theory by H. I. H. Saravanamuttoo, G. F. C. Rogers and H. Cohen, Fifth edition, Pearson Education, 2004.

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