Question

A high performance 4 stroke supercharged gasoline engine is being designed. The target specifications are as...

A high performance 4 stroke supercharged gasoline engine is being designed. The target specifications are as follows:

  1. IMEP: 31 bar at peak power
  2. bsfc:    233 g/kWh
  3. isfc:     205 g/kWh
  4. Bore to stroke ratio:    1..04
  5. Number of cylinders: 4
  6. Maximum mean piston speed: 24 m/s
  7. Compression ratio: 10:1
  8. Simulation results indicate that the indicated work per cylinder per cycle needs to be 1400 J/cyl/cyc.

Based on the provided information, finalize the engine design for the following parameters:

  1. Bore and stroke (mm)
  2. Engine displacement (litre)
  3. Engine Speed at peak power (rpm)
  4. Peak brake power (kW)
  5. Fuel flow rate at peak power (kg/hr)
  6. The minimum cylinder volume (cm3)

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