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:

IMEP: 25 bar at peak power
bsfc: 237 g/kWh
isfc: 211 g/kWh
Bore to stroke ratio: 1.1
Number of cylinders: 4
Maximum mean piston speed: 21 m/s
Compression ratio: 10.5:1
Simulation results indicate that the indicated work per cylinder per cycle needs to be 1550 J/cyl/cyc.

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

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

Solutions

Expert Solution

Bore = 95.3 mm
stroke = 95.3 mm
Engine displacement = 679 liter
Engine Speed at peak power = 4208.5 rpm
Peak brake power = 8.28 kW
Fuel flow rate at peak power = 1.96 kg/hr
The minimum cylinder volume (cm³)

samet mamat answered 6 months ago

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