Efficiency of Carnot Engine Using Ideal Gas
1-2: A reversible isothermal expansion with heat addition
![](images/image032.gif) |
(18.6) |
2-3: A reversible adiabatic expansion
![](images/image034.gif) |
(18.7) |
3-4: A reversible isothermal compression with heat rejection
![](images/image036.gif) |
(18.8) |
4-1: A reversible adiabatic compression
Energy absorbed as heat
![](images/image044.gif) |
(18.11) |
Thermal efficiency,
![](images/image046.gif) |
(18.12) |
Here, for the ideal gases we can write
Also,
or,
![](images/image054.gif) |
(18.13) |
So,
![](images/image056.gif) |
(18.14) |
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