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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 the cycle is 2250 K andthe compression ratio is 9.8. The engine has 4 cylinders and anengine displacement of Vd = 2.0 L. Determineper cylinder:


a)    the volume at state 1.
b)    the air mass per cycle.
c)    the heat addition per cycle, in kJ.
d)    the heat rejection per cycle, inkJ.
e)    the net work per cycle, in kJ.
f)     the thermal efficiency.
g)    the mean effective pressure, inbar.
h)    Develop a full exergy accounting percycle, in kJ. Let T0 = 300 K, p0= 1 bar.
i)    Devise and evaluate the exergeticefficiency for the cycle.

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