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Consider a steam turbine in which steam enters at outlet velocity to 130 m/s. 10.45 MPa and 780 K with a flow rate of 38.739 kg/s. As shown in the sketch, a portion of the steam is xtracted from the turbine after partial expansion at three different locations. The extracted steam is then ed to various heat exchangers. The mass flow rates and the temperatures and pressures at each extraction point are given in the following table: Inlet Steam turbine Extraction Location ni(kg's) P(MPa) T(K)

Consider a steam turbine in which steam enters at outlet velocity to 130 m/s. 10.45 MPa and 780 K with a flow rate of 38.739 kg/s. As shown in the sketch, a portion of the steam is xtracted from the turbine after partial expansion at three different locations. The extracted steam is then ed to various heat exchangers. The mass flow rates and the temperatures and pressures at each extraction point are given in the following table: Inlet Steam turbine Extraction Location ni(kg's) P(MPa) T(K)

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
Problem 1.1MA
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The remaining wet steam exits the turbine at 11.5 kPa with a quality of 0.88. Determine the minimum pipe diameters required to restrict the maximum inlet velocity to 50 m/s, the maximum extraction velocities each to 75 m/s, and the turbine outlet velocity to 130 m/s. Consider a steam turbine in which steam enters at 10.45 MPa and 780 K with a flow rate of 38.739 kg/s. As shown in the sketch, a portion of the steam is extracted from the turbine after partial expansion at three different locations. The extracted steam is then led to various heat exchangers. The mass flow rates and the temperatures and pressures at each extraction point are given in the following table: Inlet Steam turbine Extraction Location rin(kg/s) P (MPa) T(K) 1 23 4.343 3.054 620 4.345 0.332 482 Extraction 3. 2.871 0.136 x= 0.949 locations Exit 123
Transcribed Image Text:The remaining wet steam exits the turbine at 11.5 kPa with a quality of 0.88. Determine the minimum pipe diameters required to restrict the maximum inlet velocity to 50 m/s, the maximum extraction velocities each to 75 m/s, and the turbine outlet velocity to 130 m/s. Consider a steam turbine in which steam enters at 10.45 MPa and 780 K with a flow rate of 38.739 kg/s. As shown in the sketch, a portion of the steam is extracted from the turbine after partial expansion at three different locations. The extracted steam is then led to various heat exchangers. The mass flow rates and the temperatures and pressures at each extraction point are given in the following table: Inlet Steam turbine Extraction Location rin(kg/s) P (MPa) T(K) 1 23 4.343 3.054 620 4.345 0.332 482 Extraction 3. 2.871 0.136 x= 0.949 locations Exit 123
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