Fluid Mechanics and Thermodynamics of Turbomachinery, 5e

Chapter 8
1. 586 m/s, 73.75 deg.
2. (i) 205.8kPa, 977K; (ii) 125.4mm, 89,200rev/min; (iii) 1MW.
3. (i) 90.3%; (ii) 269mm; (iii) 0.051, 0.223.
4. 1593 K.
5. 2.159 m 3 /s, 500 kW.
6. (a) 10.089kg/s, 23,356rev/min; (b) 9.063 ¥ 10 5 , 1.879 ¥ 10 6 .
7. (i) 81.82%; (ii) 890K, 184.3kPa; (iii) 1.206cm; (iv) 196.3m/s; (v) 0.492; (vi) rs3 =
6.59cm, rh3 = 2.636cm.
Chapter 9
Appendix 2 381
1. (i) 224kW; (ii) 0.2162m 3 /s; (iii) 6.423.
2. (a) 2.138m; (b) For d = 2.2m, (i) 17.32m; (ii) 59.87m/s, 40.3MW.
3. (i) 378.7rev/min; (ii) 6.906MW, 0.252 (rad); (iii) 0.783; (iv) 3.
4. Head loss in pipline is 17.8m. (i) 672.2rev/min; (ii) 84.5%; (iii) 6.735MW;
(iv) 2.59%.
5. (i) 12.82MW, 8.69m 3 /s; (ii) 1.0m; (iii) 37.6m/s; (iv) 0.226m.
6. (i) 663.2rev/min; (ii) 69.55deg, 59.2deg; (iii) 0.152m and 0.169m.
7. (b) (i) 1.459 (rad); (ii) 107.6m 3 /s; (iii) 3.153m, 15.52m/s; (c) (i) 398.7rev/min,
0.456 m 2 /s; (ii) 20.6kW (uncorrected), 19.55kW (corrected); (iii) 4.06 (rad); (d)
Hs - H a =-2.18m.
8. (i) 0.94; (ii) 115.2rev/min, 5.068m; (iii) 197.2m 2 /s; (iv) 0.924m.
9. (i) 11.4m 3 /s, 19.47MW; (ii) 72.6deg, 75.04deg at tip; (iii) 25.73deg, 59.54deg at
hub.