Description

• a 4-cylinder otto engine is considered, for which the following are given: indicated power Pi=14.7 kW; compression ratio 7.5; stroke/bore ratio 1; engine speed 1000 rpm, rounding coefficient of the indicated diagram 0.6, ambient parameters p0= 1.013 bar, T0= 288 K to determine:a) average pressureb) the diameter of the cylindersc) the indicated engine efficiencyd) the indicated hourly consumption of fuelIt is assumed known Pci= 44000 kj/kg gasoline, air intake =1, k=1.4

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