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Modern Engineering Thermodynamics

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226 CHAPTER 7: Second Law of <strong>Thermodynamics</strong> and Entropy Transport and Production Mechanisms<br />

State 2 of<br />

Example 7.6<br />

1.5<br />

1600<br />

1.6<br />

1.7 1.8 1.9 2.0 2.1 2.2<br />

1550<br />

1500<br />

1450<br />

1400<br />

1350<br />

1200<br />

1150<br />

Specific enthalpy, h, Btu/lbm<br />

1300<br />

1250<br />

1000<br />

1050<br />

1100<br />

2.1<br />

2.2<br />

Critical<br />

state<br />

900<br />

950<br />

1.9<br />

2.0<br />

State 1 of<br />

Example 7.6<br />

850<br />

1.8<br />

800<br />

1.0<br />

1.1 1.2 1.3 1.4 1.5 1.6<br />

Specific entropy, s, Btu/(lbm . R)<br />

1.7<br />

FIGURE 7.15<br />

The Mollier diagram for water. (Source: Keenan, J. H., Keyes, J., 1936. Thermodynamic Properties of Steam. Wiley, New York. Reprinted<br />

by permission of John Wiley & Sons.)

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