Unit 1

Review of Cycle Analysis of Air-Breathing Engines – Application of Euler’s Turbo Machinery Equation to Axial and Centrifugal Machines: Velocity Diagrams, Stage Parameters, Three Dimensional Flows In Turbo-Machinery – Components of Axial and Centrifugal Turbines – Performance Maps – Compressor Turbine Matching – Compressor Surge

Unit 2

Thermal Limits of Blades and Vanes – Blade Cooling, Film Cooling and Regenerative Cooling –Subsonic, Supersonic and Hypersonic Inlets – Inlet Sizing – Inlet Performance – The Combustion Process: Stability, Length, Scaling

Unit 3

Types of Combustors – Combustor Performance – Afterburners – Flame Stabilization – Nozzles, Thrust Vectoring – Nozzle Performance.

Course Objectives

• Introduce the design parameters and momentum analysis of turbomachines. Enable the students to do velocity triangle analysis. Introduce the details of the design of combustors, intakes and nozzles of air breathing engines

Course Outcomes

• CO1: Review concepts of Propulsion engine cycle.
• CO2: Study momentum transfer through turbo machines.
• CO3: Analyse design and performance of axial flow turbo machines.
• CO4: Analyse flow through centrifugal compressors.
• CO5: Learn parameters that govern combustor design.
• CO6: Analyse flows through intakes and nozzles.

CO – PO Mapping

Textbook(s)

• Mattingly. Jack.D, “Elements of Propulsion: Gas Turbines and Rockets,” AIAA Education Series, 2006.

Reference(s)

• Flack.R.L, “Fundamentals of Jet Propulsion with Applications,” Cambridge University Press, 2005.
• Hill and Peterson, “Mechanics and Thermodynamics of Propulsion,” Dorling Kindersely (India), 2010.

Evaluation Pattern