A schematic of a steam power plant is shown in the figure. The boiler volume is 50 liter and contains 90% liquid and 10% steam at 100kPa. The boiler is heated and when the pressure at the boiler reaches 700kPa, the pressure valve is switched on to maintain a constant pressure of 700kPa. At this pressure, saturated steam moves to an adiabatic turbine. The saturated steam leaves the turbine at 100kPa to the atmosphere. When all the liquid at the boiler evaporator, the heating stops automatically. Calculate the amount of work obtained by the turbine and the amount of heat to be provided to the boiler over one cycle.
A schematic of a steam power plant is shown in the figure. The boiler volume is 50 liter and contains 90% liquid and 10% steam at 100kPa. The boiler is heated and when the pressure at the boiler reaches 700kPa, the pressure valve is switched on to maintain a constant pressure of 700kPa. At this pressure, saturated steam moves to an adiabatic turbine. The saturated steam leaves the turbine at 100kPa to the atmosphere. When all the liquid at the boiler evaporator, the heating stops automatically. Calculate the amount of work obtained by the turbine and the amount of heat to be provided to the boiler over one cycle.
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter31: Gas Heat
Section: Chapter Questions
Problem 7RQ: The pressure at the manifold for natural gas is typically A. 10 psig. B. 8 in. WC. C. 5.5 psia. D....
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A schematic of a steam power plant is shown in the figure. The boiler volume is 50 liter and contains 90% liquid and 10% steam at 100kPa. The boiler is heated and when the pressure at the boiler reaches 700kPa, the pressure valve is switched on to maintain a constant pressure of 700kPa. At this pressure, saturated steam moves to an adiabatic turbine. The saturated steam leaves the turbine at 100kPa to the atmosphere. When all the liquid at the boiler evaporator, the heating stops automatically. Calculate the amount of work obtained by the turbine and the amount of heat to be provided to the boiler over one cycle.
Transcribed Image Text:Pressure valve
Saturated
Wurti
Adiabatic
turbine
Water/liquid
To the atmosphere
Boiler
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