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mehdi343
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Homework Statement
FOR THE SAME HIGH AND LOW OPERATING TEMPERATURE LIMITS, compare the efficiencies of petrol , Diesel, and stirling engines
Homework Equations
The Attempt at a Solution
the efficiency of petrol as i found is : η=1-[1/(r^(δ-1))]
the efficiency of Diesel : η={1-[1/(r^(δ-1))]}* {((αδ)-1)/(δ(α-1))
stirling : η= R Ln(v2/v1)(T2-T1)/ Cv(T2-T1)+R T2 Ln (v2/v1)
So how can i compare them mathematically ?