At the beginning of the compression process of an air standard Otto cycle, p1 = 1 bar, T1 = 300 K. The maximum temperature in the cycle is 2250 K and the compression ratio is 9.8. The engine has 4 cylinders and an engine displacement of Vd = 2.5 L.  Determine per cylinder: a)    the heat rejection per cycle, in kJ.b)    the net work per cycle, in kJ.c)     the thermal efficiency.d)    the mean effective pressure, in bar.e)    Develop a full exergy accounting per cycle, in kJ. Let T0 = 300 K, p0 = 1 bar.f)    Devise and evaluate the exergetic efficiency for the cycle.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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At the beginning of the compression process of an air standard Otto cycle, p1 bar, T1 = 300 K. The maximum temperature in the cycle is 2250 K and the compression ratio is 9.8. The engine has 4 cylinders and an engine displacement of V= 2.5 L.  Determine per cylinder:

a)    the heat rejection per cycle, in kJ.
b)    the net work per cycle, in kJ.
c)     the thermal efficiency.
d)    the mean effective pressure, in bar.
e)    Develop a full exergy accounting per cycle, in kJ. Let T0 = 300 K, p1 bar.
f)    Devise and evaluate the exergetic efficiency for the cycle.

 

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