Baseline Analysis

1
Baseline Analysis

• Team 2
• Connor Lenahan
• Veronica Godbey
• Brian Valadez
• Jacob Katz
• Daniel Chaparro

2
Assumptions Concepts

• Ignoring Kinetic Energy in all areas except
  inlet, nozzle, and bypass flow
• Ignoring shaft losses (perfect bearings used)
• Stoichiometric fuel combustion

• 1st Law
• 2nd Law
• Gibbs (combined 1st 2nd Laws)
• Conservation of Mass
• Conservation of Momentum

3
Methods Used

• Inlet, Fan and Bypass

• Booster and Compressor

• Area of a circle

• Bypass Ratio

• Pressure ratio relations

• Bypass Ratio

• Mass Continuity

• Adiabatic efficiency relations

• Stagnation/ Static relations with Mach number

4

• Combustor

• High and Low Pressure Turbines

• Assume negligible changes in total pressure
• Energy balance/ Combustor efficiency relations

High Pressure Turbine

• Power balance Turbine work Compressor work
  plus Losses

• Turbine efficiency relationship

• Power balance Turbine work Fan work plus
  Booster work plus Losses

• Turbine efficiency relationship

5
Methods (cont.)

• Nozzle

• Engine Performance

• Thrust is equal change in momentum

• Total/ Static temperature and pressure relations
  with Mach number

• Definition of speed of sound

• Definition of SFC

6
Results

• Thrust 12380 Lbm
• SFC .3109 lbm/hr/
• Does NOT meet requirements