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The turbine of a vapor power plant its schematics is shown in Figure Q6 is evaluated for entropy generation. The details of the steam at the inlet and exit from the turbine are Given in Table Q6. The mass flow rate and the power produced by the steam turbine is also given in the Table. 1 Wev Figure Q6: Schematics of the steam turbine Consider Case # 2 from the Table: Table Q6: State points of the steam turbine along with corresponding Case Numbers. Turbine inlet Turbine inlet Turbine inlet Mass flowrate at Turbine exit Power Case Turbine exit Pressure Temperature Velocity the turbine inlet velocity Output Number state (bar) (oC) (m/s) (kg/s) (m/s) (kW) Saturated 40 500 150 2.0 vapor at 60 1900 65°C C Saturated 2 100 520 160 2.1 vapor at 70 1950 70°C Saturated 3 60 600 170 2.2 vapor at 80 2000 75°C Saturated 80 560 140 2.3 vapor at 90 2050 80°C Saturated 5 60 540 150 2.4 vapor at 100 2100 0.20 bar Saturated 80 520 160 2.5 vapor at 80 2150 0.30 bar Saturated 7 100 600 140 2.6 vapor at 90 2200 0.40 bar Saturated 8 60 500 170 2.7 vapor at 70 2250 0.50 bar If the effect of potential energy is ignored, determine (a) The rate of heat transfer from the turbine as a control volume, in kW (b) The rate of entry production (in kW/K) for an enlarged control volume that includes the turbine and enough of its surrounding that heat transfer occurs at the surrounding temperature of 304 K (c) Repeat Part (b) above if the turbine is operating adiabatically. 4.

The turbine of a vapor power plant its schematics is shown in Figure Q6 is evaluated for entropy generation. The details of the steam at the inlet and exit from the turbine are Given in Table Q6. The mass flow rate and the power produced by the steam turbine is also given in the Table. 1 Wev Figure Q6: Schematics of the steam turbine Consider Case # 2 from the Table: Table Q6: State points of the steam turbine along with corresponding Case Numbers. Turbine inlet Turbine inlet Turbine inlet Mass flowrate at Turbine exit Power Case Turbine exit Pressure Temperature Velocity the turbine inlet velocity Output Number state (bar) (oC) (m/s) (kg/s) (m/s) (kW) Saturated 40 500 150 2.0 vapor at 60 1900 65°C C Saturated 2 100 520 160 2.1 vapor at 70 1950 70°C Saturated 3 60 600 170 2.2 vapor at 80 2000 75°C Saturated 80 560 140 2.3 vapor at 90 2050 80°C Saturated 5 60 540 150 2.4 vapor at 100 2100 0.20 bar Saturated 80 520 160 2.5 vapor at 80 2150 0.30 bar Saturated 7 100 600 140 2.6 vapor at 90 2200 0.40 bar Saturated 8 60 500 170 2.7 vapor at 70 2250 0.50 bar If the effect of potential energy is ignored, determine (a) The rate of heat transfer from the turbine as a control volume, in kW (b) The rate of entry production (in kW/K) for an enlarged control volume that includes the turbine and enough of its surrounding that heat transfer occurs at the surrounding temperature of 304 K (c) Repeat Part (b) above if the turbine is operating adiabatically. 4.

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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The turbine of a vapor power plant its schematics is shown in Figure Q6 is evaluated for entropy generation. The details of the steam at the inlet and exit from the turbine are Given in Table Q6. The mass flow rate and the power produced by the steam turbine is also given in the Table. 1 Wev 2 Figure Q6: Schematics of the steam turbine Consider Case # 2 from the Table: Table Q6: State points of the steam turbine along with corresponding Case Numbers. Turbine exit Power velocity Output Turbine inlet Turbine inlet Turbine inlet Mass flowrate at Case Turbine exit Pressure Temperature Velocity the turbine inlet Number state (bar) (oC) (m/s) (kg/s) (m/s) (kW) Saturated 1 40 500 150 2.0 vapor at 60 1900 65°C Saturated 2 100 520 160 2.1 vapor at 70 1950 70°C Saturated 3 60 600 170 2.2 vapor at 80 2000 75°C Saturated 4 80 560 140 2.3 vapor at 90 2050 80°C Saturated 60 540 150 2.4 vapor at 100 2100 0.20 bar Saturated 6 80 520 160 2.5 vapor at 80 2150 0.30 bar Saturated 7 100 600 140 2.6 vapor at 90 2200 0.40 bar Saturated 8 60 500 170 2.7 vapor at 70 2250 0.50 bar If the effect of potential energy is ignored, determine (a) The rate of heat transfer from the turbine as a control volume, in kW (b) The rate of entry production (in kW/K) for an enlarged control volume that includes the turbine and enough of its surrounding that heat transfer occurs at the surrounding temperature of 304 K (c) Repeat Part (b) above if the turbine is operating adiabatically.
Transcribed Image Text:The turbine of a vapor power plant its schematics is shown in Figure Q6 is evaluated for entropy generation. The details of the steam at the inlet and exit from the turbine are Given in Table Q6. The mass flow rate and the power produced by the steam turbine is also given in the Table. 1 Wev 2 Figure Q6: Schematics of the steam turbine Consider Case # 2 from the Table: Table Q6: State points of the steam turbine along with corresponding Case Numbers. Turbine exit Power velocity Output Turbine inlet Turbine inlet Turbine inlet Mass flowrate at Case Turbine exit Pressure Temperature Velocity the turbine inlet Number state (bar) (oC) (m/s) (kg/s) (m/s) (kW) Saturated 1 40 500 150 2.0 vapor at 60 1900 65°C Saturated 2 100 520 160 2.1 vapor at 70 1950 70°C Saturated 3 60 600 170 2.2 vapor at 80 2000 75°C Saturated 4 80 560 140 2.3 vapor at 90 2050 80°C Saturated 60 540 150 2.4 vapor at 100 2100 0.20 bar Saturated 6 80 520 160 2.5 vapor at 80 2150 0.30 bar Saturated 7 100 600 140 2.6 vapor at 90 2200 0.40 bar Saturated 8 60 500 170 2.7 vapor at 70 2250 0.50 bar If the effect of potential energy is ignored, determine (a) The rate of heat transfer from the turbine as a control volume, in kW (b) The rate of entry production (in kW/K) for an enlarged control volume that includes the turbine and enough of its surrounding that heat transfer occurs at the surrounding temperature of 304 K (c) Repeat Part (b) above if the turbine is operating adiabatically.
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