Question: Redo Problem 5.4 using Aspen Plus. Problem 5.4 A power plant using a Rankine power generation cycle and steam operates at a temperature of 80

Redo Problem 5.4 using Aspen Plus.

Problem 5.4

A power plant using a Rankine power generation cycle and steam operates at a temperature of 80^◦C in the condenser, a pressure of 2.5 MPa in the evaporator, and a maximum evaporator temperature of 700^◦C. Draw the two cycles described below on a temperature entropy diagram for steam, and answer the following questions.

a. What is the efficiency of this power plant, assuming the pump and turbine operate adiabatically and reversibly? What is the temperature of the steam leaving the turbine?

b. If the turbine is found to be only 85 percent efficient, what is the overall efficiency of the cycle? What is the temperature of the steam leaving the turbine in this case?

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