Jet Aircraft Propulsion

IIT Bombay Course , Prof. Bhaskar Roy

Lecture 1: Introduction & Development of Jet Aircraft Propulsion

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Lecture Details :

Jet Aircraft Propulsion by Prof. Bhaskar Roy and Prof. A. M. Pradeep, Department of Aerospace Engineering, IIT Bombay. For more details on NPTEL visit

Course Description :

Introduction & Development of Jet Aircraft Propulsion - How the Aircraft Jet Engines make Thrust - Jet Engine Basic Performance Parameters - Turbojet, Reheat Turbojet and Multi - spool Engines - Turbofan, Turbo-prop and Turboshaft engines-Ideal and Real Brayton cycles - Jet Engine Cycles for Aircraft propulsion - Cycle components and component performances - Analysis of engine real cycles - Thermodynamics of Compressors - Thermodynamics of Turbines - Axial Compressors : two dimensional analytical model - Cascade analysis; Loss and Blade performance estimation - Free Vortex theory; Single-Multi-stage characteristics - Elements of centrifugal compressor - Centrifugal Compressor characteristics: Surging, Choking - Axial flow turbines; Turbine Blade 2-D (cascade) analysis-Multi-staging: Axial Turbine; Turbine Cooling Technology

Radial Turbine Aerodynamics & Thermodynamics; Losses - Types of combustion chambers: mechanism & parameters - Pr. Loss, Combustion efficiency; Combustion intensity - Practical combustion system ; Stability, Fuel injection - Intakes for Powerplant: Transport / Military Aircraft-Subsonic, Transonic, Supersonic Intake Designs - Nozzle : fixed and variable geometry nozzles - C-D nozzle and their uses - Engine Off Design Operations - Aircraft Engine component matching: Dimensional analysis - Engine component matching and Sizing - Installed Performance of Engine - Use of Ramjets and Pulsejets in Aircraft propulsion - Thermodynamic Cycle & Performance Parameters - Flow in Diffusers, Combustors and Nozzles - Performanace and Design of Ramjet & Scramjet Engines - Future of Aircraft Propulsion

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