An Otto cycle having a compression ratio of 7:1 uses air as the working fluid. Initially...

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

Expert Solution

SOLUTION:

Amanda K answered 7 months ago

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