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Problem 10.1 A simple Rankine cycle operates with a low pressure of 50 kPa and a high pressure of 5 MPa. Assume the pump is ideal, and the turbine has an isentropic efficiency of 92% a) What is the thermodynamic efficiency of this cycle? b) What is the mass flow rate of the working fluid needed to have a power output of 5MW? Water pump Combustion products (to stack) Cooling water in (Solution: th = 27%, m = 7.58 kg/s) Boiler Condenser Fuel and air in Steam turbine Cooling water out Electrical generator 2

Problem 10.1 A simple Rankine cycle operates with a low pressure of 50 kPa and a high pressure of 5 MPa. Assume the pump is ideal, and the turbine has an isentropic efficiency of 92% a) What is the thermodynamic efficiency of this cycle? b) What is the mass flow rate of the working fluid needed to have a power output of 5MW? Water pump Combustion products (to stack) Cooling water in (Solution: th = 27%, m = 7.58 kg/s) Boiler Condenser Fuel and air in Steam turbine Cooling water out Electrical generator 2

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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please use thermodynamic principles
Problem 10.1 A simple Rankine cycle operates with a low pressure of 50 kPa and a high pressure of 5 MPa. Assume the pump is ideal, and the turbine has an isentropic efficiency of 92% a) What is the thermodynamic efficiency of this cycle? b) What is the mass flow rate of the working fluid needed to have a power output of 5MW? Water pump Combustion products (to stack) Cooling water in (Solution: 1th 27%, m= 7.58 kg/s) Boiler Condenser Fuel and air in Steam turbine Cooling water out Electrical generator ~
Transcribed Image Text:Problem 10.1 A simple Rankine cycle operates with a low pressure of 50 kPa and a high pressure of 5 MPa. Assume the pump is ideal, and the turbine has an isentropic efficiency of 92% a) What is the thermodynamic efficiency of this cycle? b) What is the mass flow rate of the working fluid needed to have a power output of 5MW? Water pump Combustion products (to stack) Cooling water in (Solution: 1th 27%, m= 7.58 kg/s) Boiler Condenser Fuel and air in Steam turbine Cooling water out Electrical generator ~
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