usist of four major components (e.g., B- g in the design department of a thermal stigate different design parameters (e.g e ideal Rankine cycle to improve the th

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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Question 1
Steam power plants are commonly used to produce electricity, it operates on a simple Rankine cycle
that consist of four major components (e.g., Boiler, turbine, pump and condenser). You are an engineer
working in the design department of a thermal power plant located to the south of Jordan. Your role is
to investigate different design parameters (e.g., pressure and temperature) that need to be modified on
a simple ideal Rankine cycle to improve the thermal efficiency.
You have four cases with different design parameter that are changing, where you want to find the
optimal case (with the highest thermal efficiency)
Condenser pressure
Temperature
turbine inlet
the Boiler pressure
Design parameter
at
Case A
50 kPa
300 °C
3 MPa
650 °C
3 МРа
3 МРа
15 MPa
Case B
50 kPa
Case C
15 kPa
650 °C
Case D
15 kPa
650 °C
Task 1
1. Discuss the effect of decreasing the condenser pressure, increasing the boiler pressure and
increasing the maximum temperature in the basic Rankine cycle on the overall thermal
efficiency, while showing the different variations in the T-S diagram (Hint: show how the Wnet
will be affected)
Transcribed Image Text:Question 1 Steam power plants are commonly used to produce electricity, it operates on a simple Rankine cycle that consist of four major components (e.g., Boiler, turbine, pump and condenser). You are an engineer working in the design department of a thermal power plant located to the south of Jordan. Your role is to investigate different design parameters (e.g., pressure and temperature) that need to be modified on a simple ideal Rankine cycle to improve the thermal efficiency. You have four cases with different design parameter that are changing, where you want to find the optimal case (with the highest thermal efficiency) Condenser pressure Temperature turbine inlet the Boiler pressure Design parameter at Case A 50 kPa 300 °C 3 MPa 650 °C 3 МРа 3 МРа 15 MPa Case B 50 kPa Case C 15 kPa 650 °C Case D 15 kPa 650 °C Task 1 1. Discuss the effect of decreasing the condenser pressure, increasing the boiler pressure and increasing the maximum temperature in the basic Rankine cycle on the overall thermal efficiency, while showing the different variations in the T-S diagram (Hint: show how the Wnet will be affected)
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