A simple but non-ideal Rankine cycle operates with water as the working fluid and operating between pressure limits of 75 kPa and 10 MPa. Water enters the pump subcooled by 4°C and 3200 kJ/kg of heat is added in the boiler. The pump has an efficiency of 92% while the isentropic efficiency of the turbine is 94%. Assume there are no pressure losses in the condenser and boiler, and that both the pump and turbine are adiabatic. QUESTION 1 What is the temperature of the pump inlet? QUESTION 2 What is the enthalpy of the water entering the pump, in kJ/kg? Report your answer to two decimal place using rounding. QUESTION 3 What is the enthalpy, in kJ/kg, of the water at the pump outlet? Remember that this is a reversible, open system, with an incompressible substance! Report your answer to one decimal point using rounding.

A simple but non-ideal Rankine cycle operates with water as the working fluid and operating between pressure limits of 75 kPa and 10 MPa. Water enters the pump subcooled by 4°C and 3200 kJ/kg of heat is added in the boiler. The pump has an efficiency of 92% while the isentropic efficiency of the turbine is 94%. Assume there are no pressure losses in the condenser and boiler, and that both the pump and turbine are adiabatic. QUESTION 1 What is the temperature of the pump inlet? QUESTION 2 What is the enthalpy of the water entering the pump, in kJ/kg? Report your answer to two decimal place using rounding. QUESTION 3 What is the enthalpy, in kJ/kg, of the water at the pump outlet? Remember that this is a reversible, open system, with an incompressible substance! Report your answer to one decimal point using rounding.

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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