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Question 3.18.2: Draw the entropy versus temperature diagram for the Carnot c...

Draw the entropy versus temperature diagram for the Carnot cycle depicted in Figure 3.4.

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Start by choosing a position in the temperature– entropy space for that of state A .
1. The first process is an isothermal (dT = 0) increase in entropy from state A to B .
2. The second process is a constant entropy decrease in temperature from state B to C .
3. The third process is an isothermal decrease in entropy from state C to state D .
4. The last process is a constant entropy increase in temperature from state D to state A .
Be sure you understand the sign of each of the changes in temperature and entropy (Figure 3.9).

3.9

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