In: Other
An Otto cycle having a compression ratio of 7:1 uses air as the working fluid. Initially p1 = 95 kPa,
T1 = 17 C, and V1 = 0.0038 m
3
. During the heat addition process, 7.5 kJ of heat are added.
Determine:
(a) the heat rejected Q4-1 = __________ kJ
(b) the net work of the cycle Wnet = ________________ kJ
(c) the cycle thermal efficiency η = ________ %
(d) the mean effective pressure. MEP = __________ kPa