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Performance Characteristics of Turbo Jet Engines. P M V Subbarao Professor Mechanical Engineering Department. Enhanced Life at The Thrust generator Inlet…. V ac. V jet. Turbojet engine :Turbine as A Slave to Drive Compressor. 4. T. 5. Sizing of Turbine : Just Enough Power. 2. C. 3.
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Performance Characteristics of Turbo Jet Engines P M V Subbarao Professor Mechanical Engineering Department Enhanced Life at The Thrust generator Inlet….
Vac Vjet Turbojet engine :Turbine as A Slave to Drive Compressor
4 T 5 Sizing of Turbine : Just Enough Power 2 C 3 Duty of the Turbine is to drive the compressor : just enough power. Enhanced vigor of Jet:
Life Infusion Vs Life Loss Turbojet feasibility condition:
The Thrust Generator with better Inlet Conditions Isentropic Expansion in a Passive Device (Nozzle)
Subsonic Vs Supersonic Turbojet Engine For subsonic engine: For supersonic engine:
Thrust Specific Fuel Consumption TSFC Propulsive Power or Thrust Power:
Aviation Appreciation Propulsion Efficiency
Thermodynamic Appreciation Thermodynamic Efficiency
Turbojet engine Is it a wise Model???
S TSFC Performance of a Ideal Turbojet Engine @ Variable Mach Number r0p,comp = 10 0,cc=4.5 TSFC kg/ kN.hr Specific Thrust kN.s/kg Mac
Parametric Cycle Analysis of Ideal Turbo Jet Engine Selection of Safe Cruising Conditions….
Effect of Flight Mach Number on Compactness r0p=5 r0p=3 r0p=2 r0p=1 r0p=10 r0p=20 r0p=30 0,cc=4.5 Specific Thrust kN.s/kg Mac
Effect of Pressure Ratio on Compactness Mac=0 Mac=0.5 Mac=1.0 Mac=1.5 Mac=2.0 Mac=2.5 Mac=3.0 0,cc=4.5 Specific Thrust kN.s/kg r0p
r0p,comp Effect of Flight Mach Number on Fuel Air Ratio 0,cc=4.5 1 2 3 5 10 20 30 Mac
Effect of Pressure Ratio on Fuel Air Ratio t0,cc=4.5 rp
Effect of Flight Mach Number on Fuel Economy r0p=2 r0p=1 r0p=3 r0p=5 r0p=10 r0p=20 r0p=30 0,cc=4.5 TSFC kg/ kN.hr Mac
Effect of Pressure Ratio on Fuel Economy 0,cc=4.5 Mac TSFC kg/ kN.hr rp
Effect of Flight Mach Number on Propulsion Efficiency 0,cc=4.5 r0p= 30 r0p=2 r0p= 5 Mac
r0p Effect of Flight Mach Number on Thermal Efficiency 0,cc=4.5 r0p=30 r0p=5 r0p=2 Mac
Effect of Flight Mach Number on Overall Efficiency 0,cc=4.5 hO r0p=5 r0p=30 r0p=2 r0p Mac
Major Drawback in Turbojet Mac=0 Mac=0.5 Mac=1.0 Mac=1.5 Mac=2.0 Mac=2.5 Mac=3.0 0,cc=4.5 Specific Thrust kN.s/kg r0p
inlet 1 2 7 5 6 3 4 Turbo Jet with Afterburner