Page 348 - Steam Turbines Design, Applications, and Rerating
P. 348
322 Chapter Fifteen
Figure 15.9 Performance map for typical extraction turbine, English units.
(Elliott Company, Jeannette, Pa.)
Thus,
B = .05 × 190,000 lb/h = 9500 lb/h
The zero extraction line results from connecting Points A and B.
Point C is located by dividing:
Extraction flow requirement/Approximate steam rate (inlet-to-extraction):
(150,000 lb/h) ÷ (37.8 lb/hp-h) = 3970 hp
