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2. Steam enters an adiabatic turbine at 5MPa, 650°C, and 80 m/s and leaves at 50kPa, 150°C, and 140 m/s. If the power output of the turbine is 8MW, determine (a) the mass flow rate of the steam flowing through the turbine and (b) the isentropic efficiency of the turbine.

2. Steam enters an adiabatic turbine at 5MPa, 650°C, and 80 m/s and leaves at 50kPa, 150°C, and 140 m/s. If the power output of the turbine is 8MW, determine (a) the mass flow rate of the steam flowing through the turbine and (b) the isentropic efficiency of the turbine.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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2. Steam enters an adiabatic turbine at 5MPa, 650°C, and 80 m/s and leaves at 50kPa, 150°C, and 140 m/s. If the power output of the turbine is 8MW, determine (a) the mass flow rate of the steam flowing through the turbine and (b) the isentropic efficiency of the turbine.
Transcribed Image Text:2. Steam enters an adiabatic turbine at 5MPa, 650°C, and 80 m/s and leaves at 50kPa, 150°C, and 140 m/s. If the power output of the turbine is 8MW, determine (a) the mass flow rate of the steam flowing through the turbine and (b) the isentropic efficiency of the turbine.
Table 2 Saturated and superheated water P, kPa Tsat, °C h, kJ/kg hg 50 5000 P, kPa 50 5000 5000 81.32 263.94 T, °C 150 600 700 hf 340.54 1154.5 2645.2 2794.2 h, kJ/kg s, kJ/(kg · K) 2780.2 7.9413 3666.9 7.2605 3900.3 7.5136 s, kJ/(kg. K) Sf Sg 1.0912 7.5931 2.9207 5.9737
Transcribed Image Text:Table 2 Saturated and superheated water P, kPa Tsat, °C h, kJ/kg hg 50 5000 P, kPa 50 5000 5000 81.32 263.94 T, °C 150 600 700 hf 340.54 1154.5 2645.2 2794.2 h, kJ/kg s, kJ/(kg · K) 2780.2 7.9413 3666.9 7.2605 3900.3 7.5136 s, kJ/(kg. K) Sf Sg 1.0912 7.5931 2.9207 5.9737
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