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Indian Institute of Technology Kanpur

Introduction to Airbreathing Propulsion

Indian Institute of Technology Kanpur and NPTEL via Swayam


Due to the rapid advance in air transportation as well as military and intelligence missions, aircraft and rocket propulsion has become an essential part of engineering education. Propulsion is the combined aero-thermal science for aircrafts and rockets. Propulsion has both macro and microscales. Macroscale handles the performance and operation of aircrafts and rockets during different missions, while microscale is concerned with component design including both rotary modules (i.e., compressor, fan, pump, and turbine) and stationary modules (i.e., intake, combustor, afterburner, and nozzle). The fundamental knowledge of propulsion is expected to improve the design of the industrial propulsive systems by enhancing the stability, improving the efficiency, and reduction in pollutant formation. In this course, an integrated understanding of theory and practice of propulsion would be covered. The discussion would continue on the design, operation, installation and several inspections, repair, and maintenance aspects of aircraft and rocket engines.INTENDED AUDIENCE :Junior/Senior undergraduate students and postgraduate students of Aerospace, and Mechanical EngineeringPREREQUISITES : Fluid Mechanics, Thermodynamics, Basic Compressible flowsINDUSTRIES SUPPORT :Aerospace, Mechanical, Power Generation and Defense Industries


Week 1: Introduction to Propulsion, Review of basic fluid mechanics and thermodynamicsWeek 2: Introduction to compressible flows: 1D steady, isentropic flows, Normal shocksWeek 3: Introduction to gas turbine engines: Thrust, efficiencies and performance parametersWeek 4: Piston Engines and PropellersWeek 5: Performance/cycle analysis: Pulsejet, Ramjet, and Scramjet EnginesWeek 6: Performance/cycle analysis: Turbojet, Turbofan, TurboramjetWeek 7: Performance/cycle analysis: Turboprop, Turboshaft, and PropfanWeek 8: Combustors & after burners, intakes, nozzlesWeek 9: Industrial Gas Turbines, Introduction to turbo-machinery: basic principles and equationsWeek 10:Centrifugal compressor: Principle, performance characteristics, efficiency, stall and surgeWeek 11:Axial compressor: Theory, single stage and multi-stage compressor, cascades and lossesWeek 12:Axial turbines: Theory of operation, stage and overall performances, turbine and compressor matching, turbine blade cooling; Radial Flow Turbine, Module Matching

Taught by

Prof. Ashoke De

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