15-A heat engine with a diatomic gas as the working substance uses the closed cycle shown in below figure. How much work does this engine do per cycle, and what is its thermal efficiency? p (atm) 3- 0+ 3 300 K isotherm 3 - V (m³)
15-A heat engine with a diatomic gas as the working substance uses the closed cycle shown in below figure. How much work does this engine do per cycle, and what is its thermal efficiency? p (atm) 3- 0+ 3 300 K isotherm 3 - V (m³)
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Transcribed Image Text:15-A heat engine with a diatomic gas as the working substance uses the closed cycle shown
in below figure. How much work does this engine do per cycle, and what is its thermal
efficiency?
p (atm)
3
0+
2
3
300 K isotherm
3
- V (m³)
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Step 1: Work done by the engine per cycle
VIEWStep 2: Calculating temperatures at all the states
VIEWStep 3: Calculate the heat transfer and change in internal energy for all the processes
VIEWStep 4: Calculate the heat supplied and heat rejected by the engine
VIEWStep 5: Thermal efficiency
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