Solutions to problems

Chapter 2

2.1.1

1. 678.6 kJ

2. 500 J/kgK

2.1.2

1. 195 kJ

2. 51.3°C

3. 3.19 kJ, 4.5 kJ

4. 712 kJ

5. 380.3 kJ

2.2.1

1. 24.2 kg

2. 1.05 m3

3. 45.37 kg, 23.9 bar

2.2.2

1. 3.36 bar

2. 563.4 K

3. 0.31 m3, 572 K

4. 0.276 m3, 131.3°C

5. 47.6 bar, 304°C

6. 0.31 m3, 108.9°C

7. 1.32

8. 1.24, 356.8 K

9. 600 cm3, 1.068 bar, 252.6 K

10. 46.9 cm3, 721.5 K

2.3.1

1. 3.2 kJ, 4.52 kJ

2. −52 kJ

3. 621.3 kJ

4. 236 K, 62.5 kJ

5. 0.0547, 0.0115 m3,-33.7 kJ, −8.5 kJ

6. 1312 K, 318 kJ

7. 0.75 bar, 9.4 kJ

8. 23.13 bar, −5.76 kJ, −1.27 kJ

2.4.1

1. 734.5 K, 819.3 K, 58.5%

2. 0.602, 8.476 bar

3. 65%

4. 46.87 kJ/kg rejected, 180.1 kJ/kg supplied, 616.9 kJ/kg rejected

5. 61%, 5.67 bar

2.4.2

1. 1841 kW

2. 28.63 kW, 24.3 ...

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