Page 332 - Fluid Mechanics and Thermodynamics of Turbomachinery

Appendix 2 313
3. (1) 90.3 per cent; (2) 269 mm; (3) 0.051, 0.223.
4. 1593 K.
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5. 2.159 m /s, 500 kW.
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5
6. (a) 10.089 kg/s, 23,356 rev/min; (b) 9.063 ð 10 ,1.879 ð 10 .
7. (1) 81.82 per cent; (2) 890 K, 184.3 kPa; (3) 1.206 cm; (4) 196.3 m/s; (5) 0.492;
(6) r s3 D 6.59 cm, r h3 D 2.636 cm.
Chapter 9

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1. (1) 224 kW; (2) 0.2162 m /s; (3) 6.423.
2. (a) 2.138 m; (2) For d D 2.2 m, (1) 17.32 m; (2) 59.87 m/s, 40.3 MW.
3. (1) 378.7 rev/min; (2) 6.906 MW, 0.252 (rad); (3) 0.783; (4) 3.
4. Head loss is pipline is 17.8 m. (1) 672.2 rev/min; (2) 84.5 per cent; (3) 6.735 MW;
(4) 2.59 per cent.
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5. (1) 12.82 MW, 8.69 m /s; (2) 1.0 m; (3) 37.6 m/s; (4) 0.226 m.
6. (1) 663.2 rev/min; (2) 69.55 deg, 59.2 deg; (3) 0.152 m and 0.169 m.
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7. (b) (1) 1.459 (rad); (2) 107.6 m /s; (3) 3.153 m, 15.52 m/s; (c) (1) 398.7 rev/min,
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0.456 m /s; (2) 20.6 kW (uncorrected), 19.55 kW (corrected); (3) 4.06 (rad); (d)
H s H a D2.18 m.
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8. (a) (1) 0.94; (2) 115.2 rev/min, 5.068 m; (3) 197.2 m /s; (4) 0.924 m.
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9. (1) 11.4 m /s, 19.47 MW; (2) 72.6 deg, 75.04 deg at tip; 25.73 deg, 59.54 deg
at hub.