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Aircraft Propulsion

Prof. Vinayak N. Kulkarni · IIT Guwahati

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About

This course deals with the gas power cycles for aircraft propulsion. Therefore different types of aircraft engines, their parts and their performance parameters are discusses. Then the cycle analysis and its different attachment for improvisation are also focused. Further, different parts of aircraft engines like compressor, turbines, combustor and nozzle are discussed in detail.

Intended audience: Undergraduate students of Aerospace and Mechanical engg. (5th semester onwards) and postgraduate students specializing in the thermofluids/Fluid Mechanics/Automobiles; industry personnel associated with aerospace engineering; faculty members associated with Mechanical /Aerospace engg.

Prerequisites: Basic UG-level Fluid Mechanics and Thermodynamics.

Lectures

Week 1 : Basic Thermodynamics and Turbomachines

  1. Lec 1: Overview of Basic Thermodynamics YouTube
  2. Lec 2: Solved Examples for Flow process YouTube
  3. Lec 3: Turbomachines: Introduction, Classification, Types YouTube

Week 2 : Gas Turbine and Aircraft Engines

  1. Lec 1: Components of Gas Turbine Power Plant, Gas Turbine Attachments YouTube
  2. Lec 2: Introduction to Various Aircraft engines, Engine Performance parameters YouTube

Week 3 : Ideal and Non-Ideal Brayton Cycle

  1. Lec 1: Ideal Brayton Cycle YouTube
  2. Lec 2: Examples of Ideal Brayton Cycle YouTube
  3. Lec 3: Non-Ideal Brayton Cycle YouTube
  4. Lec 4: Examples of Non-Ideal Brayton Cycle YouTube

Week 4 : Gas Turbine Attachments

  1. Lec 1: Brayton Cycle with Heat Exchanger / Re-heater YouTube
  2. Lec 2: Brayton Cycle with Intercooler / All Attachments YouTube
  3. Lec 3: Examples of Gas Turbine Attachment YouTube

Week 5 : Stagnation Conditions and Real Cycle Examples

  1. Lec 1: Examples of Gas Turbine Attachment YouTube
  2. Lec 2: Stagnation Conditions, Real Brayton Cycle with Stagnation Conditions YouTube
  3. Lec 3: Polytropic Efficiency of Compressor and Turbine YouTube
  4. Lec 4: Examples of Real Cycle YouTube

Week 6 : Intake & Nozzle

  1. Lec 1: Nozzle Flow: Isentropic Relations, Area Velocity Relation, Choked Mass Flow Rate YouTube
  2. Lec 2: Aircraft Engine Intake, Intake Efficiency YouTube
  3. Lec 3: Propelling Nozzle, Nozzle Efficiency YouTube

Week 7: Aircraft engines and its Examples

  1. Lec 1: Turbojet engine: Confriguration and Examples YouTube
  2. Lec 2: Turbofan engine: Confriguration and Examples YouTube
  3. Lec 3: Ramjet engine : Parameters and losses YouTube

Week 8: Thrust Augmentation, Ramjet Examples and Introduction to Turbomachinary

  1. Lec 23: Examples of Ramjet Engine YouTube
  2. Lec 24: Thrust Augmentation and Engine performance parameters for Aircrafts YouTube
  3. Lec 25: Introduction to Turbomachinary YouTube

Week 9: Centrifugal Compressor

  1. Lec 26: Centrifugal Compressor: Velocity diagrams, Workdone YouTube
  2. Lec 27: Centrifugal Compressor: Thermodynamic analysis, Stage efficiency and Degree of reaction YouTube
  3. Lec 28: Examples of Centrifugal compressor YouTube

Week 10: Axial Flow Compressor

  1. Lec 29: Axial Flow Compressor: Velocity diagrams, Workdone and Degree of Reaction YouTube
  2. Lec 30: Axial Flow Compressor: Free vortex Condition YouTube
  3. Lec 31: Examples of Axial Flow Compressor YouTube
  4. Lec 32: Examples of Axial Flow Compressor YouTube
  5. Lec 33: Examples of Axial Flow Compressor YouTube

Week 11: Axial Turbine, Radial Turbine and its Examples

  1. Lec 34: Axial Turbine: Velocity diagrams, Workdone, and Degree of Reaction YouTube
  2. Lec 35: Radial Turbine: Velocity diagrams, h-s diagram, Stage effieciency and degree of reaction YouTube
  3. Lec 36: Examples of Axial Turbine YouTube
  4. Lec 37: Practice examples of Axial Turbine and cetrifugal compressor YouTube

Week 12: Blade Design, Cascade theory and Turbine cooling method

  1. Lec 38: Cascade theory and Blade design YouTube
  2. Lec 39: Cascade variables and Turbine Cascade YouTube
  3. Lec 40: Velocity diagrams of Turbine Cascade, Compressor cascade YouTube
  4. Lec 41: Turbine cooling methods YouTube
  5. Lec 42: Practice examples of aircraft engine YouTube

Syllabus and materials

At NPTEL, as the course publishes them.

Credits and licence

Institution
IIT Guwahati
Department
Mechanical Engineering
Teacher
Prof. Vinayak N. Kulkarni
Level
Undergraduate
Language
English
Subjects
Engineering
Source
NPTEL
Licence
CC BY-NC-SA, as NPTEL states it. Non-commercial use only. NPTEL's terms
Attribution
NPTEL states: "Distributed under Creative Commons Attribution-ShareAlike / CC BY - NC - SA", beside a BY-NC-SA badge.
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