15 kg/s (Salurated Vopor from Turbine) 1200 kPo
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Feedwater heaters are used to increase the efficiency of steam power plants. A particular heater is used to preheat 10 kg/s of boiler feed water from 20° C to 188° C at a pressure of 1200 kPa by mixing it with saturated steam bled from a turbine at 1200 kPa and 188° C. Although insulated, the heater loses heat at the rate of 50 j per gram of exiting mixture. What fraction of the exit stream is steam?
Transcribed Image Text:0.4 m dio
15 kg/s (Salurated Vopor from Turbine)
1200 KPo
1200 kPo
188°C
0.13 m dia
-m, (Liquid)
10 kg/t
1200 kPe
20°C
0.15 m dia
Figure P24.31
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