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.
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.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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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.
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.
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