Question

An air-standard dual cycle has the following elements: compression ratio = 8.0 1600 kJ/kg heat addition...

An air-standard dual cycle has the following elements:

compression ratio = 8.0
1600 kJ/kg heat addition so that 30% occurs at constant volume and 70% occurs at constant pressure
The state is 300K and 1 bar at the beginning of the compression process
Find:  
(a) the temperatures at the end of each heat addition process
(b) the cycle efficiency
(c) the MEP

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