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At the beginning of the compression process of an air standard Otto cycle, p1 = 1...

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Mechanical Engineering

At the beginning of the compression process of an air standardOtto cycle, p1 = 1 bar, T1 = 300 K. The maximum temperature in thecycle is 2250 K and the compression ratio is 9.8. The engine has 4cylinders and an engine displacement of Vd = 2.6 L. Determine percylinder:

a) the volume at state 1. (IN LITERS) I have tried 2.8L 0.945 Land 0.789 L but i keep getting it wrong.

b) the air mass per cycle.

c) the heat addition per cycle, in kJ.

d) the heat rejection per cycle, in kJ.

e) the net work per cycle, in kJ.

f) the thermal efficiency.

g) the mean effective pressure, in bar.

h) Develop a full exergy accounting per cycle, in kJ. Let T0 =300 K, p0 = 1 bar. i) Devise and evaluate the exergetic efficiencyfor the cycle.

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