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# PROPULSION 1:

UNIT I  PRINCIPLES OF AIR BREATHING ENGINES
  1. Operating Principles of Piston Engines
  2. Thermal Efficiency Calculations
  3. Classification of Piston Engines
  4. Illustration of Working of Gas Turbine Engines
  5. Factors Affecting Thrust
  6. Methods of Thrust Augmentation
  7. Performance Parameters of Jet Engines
  8. Gas Turbine
UNIT II  JET ENGINE INTAKES AND EXHAUST NOZZLES
  1. Ram Effect, Internal Flow and Stall in Subsonic Inlets
  2. Relation Between Minimum Area Ratio and External Deceleration Ratio
  3. Diffuser Performance
  4. Modes of Operation
  5. Supersonic Inlets
  6. Starting Problem on Supersonic Inlets
  7. Shock Swallowing by Area Variation
  8. Real Flow Through Nozzles and Nozzle Efficiency
  9. Losses in Nozzles
  10. Ejector and Variable Area Nozzles
  11. Over-Under Expanded Nozzle
  12. Interaction of Nozzle Flow With Adjacent Surfaces
  13. Nozzle Choking
  14. Thrust Reversal
UNIT IIIJET ENGINE COMBUSTION CHAMBERS
  1. Chemistry of Combustion
  2. Combustion Equations
  3. Combustion Chamber Process
  4. Classification of Combustion Chambers
  5. Factors Affecting Combustion Chamber Design
  6. Combustion Chamber Performance
  7. Effect of Operating Variables on Performance
  8. Flame Holder
  9. Flame Stabilization
  10. Cooling Process
  11. Materials
  12. Aircraft Fuels
  13. HHV
  14. LHV
  15. Orsat Apparatus
UNIT IV – JET ENGINE COMPRESSORS
  1. Euler’s Turbo Machinery Equation
  2. Principle Operation of Centrifugal Compressor
  3. Principle Operation of Axial Flow Compressor
  4. Work Done and Pressure Rise
  5. Velocity Diagrams
  6. Degree of Reaction
  7. Free Vortex and Constant Reaction Designs of Axial Flow Compressor
  8. Performance Parameters Axial Flow Compressors
  9. Stage Efficiency
UNIT V – JET ENGINE TURBINES
  1. Principle of Operation of Axial Flow Turbines
  2. Limitations of Radial Flow Turbines
  3. Work Done and Pressure Rise
  4. Velocity Diagrams
  5. Degree of Reaction
  6. Constant Nozzle Angle Designs
  7. Performance Parameters of Axial Flow Turbine
  8. Turbine Blade Cooling Methods
  9. Stage Efficiency Calculations
  10. Basic Blade Profile Design Considerations
  11. Matching of Compressor and Turbine