Analysis of Thrust Equation for Ideal Turbo Jet Engine P M V Subbarao Professor Mechanical Engineering Department Understanding the Features of A True.

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Presentation transcript:

Analysis of Thrust Equation for Ideal Turbo Jet Engine P M V Subbarao Professor Mechanical Engineering Department Understanding the Features of A True Flying Machine Muscles ….

Ideal Turbo Jet Cycle T0T0 1, ,6 s

p0p0 s 1, ,6 Ideal Turbo Jet Cycle

Thrust

Isentropic Expansion in an Active Turbine

Theory of Jet Propulsion : Jet Enough Work The power input to the compressor = The power output of the turbine

Isentropic Expansion in a Passive Turbine (Nozzle)

Thermodynamic SSSF model for Nozzle

Limit of Utilization: Open Cycle Engine: Just to Ambient Pressure!!!

Maximum Obtainable Jet Kinetic Energy:

Generation of Thrust : The Capacity

Specific Thrust S

Propulsive Power or Thrust Power: Thrust Specific Fuel Consumption TSFC

Aviation Appreciation Propulsion Efficiency

Thermodynamic Appreciation Thermodynamic Efficiency

Jet engine Performance Parameters