Three kilograms of water in a piston-cylinder assembly, initially at 100 kPa and 75°C, are heated at constant pressure with no internal irreversibilities to a final temperature of 500°C. For the water, Plot the processes on the P-v curve and determine: (a) the change in exergy, (b) the exergy transfer accompanying heat transfer, (c) the exergy transfer accompanying work, and (d) the exergy destruction. Take To = 25 °C, Po= 100 kPa and ignore the effects of motion and gravity.
Three kilograms of water in a piston-cylinder assembly, initially at 100 kPa and 75°C, are heated at constant pressure with no internal irreversibilities to a final temperature of 500°C. For the water, Plot the processes on the P-v curve and determine: (a) the change in exergy, (b) the exergy transfer accompanying heat transfer, (c) the exergy transfer accompanying work, and (d) the exergy destruction. Take To = 25 °C, Po= 100 kPa and ignore the effects of motion and gravity.
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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![Question 2
Three kilograms of water in a piston-cylinder assembly, initially at 100 kPa and 75°C, are heated at
constant pressure with no internal irreversibilities to a final temperature of 500°C. For the water, Plot
the processes on the P-v curve and determine: (a) the change in exergy, (b) the exergy transfer
accompanying heat transfer, (c) the exergy transfer accompanying work, and (d) the exergy destruction.
Take To = 25 °C, Po = 100 kPa and ignore the effects of motion and gravity.
Question 2 solutions
Ti
Pi
Vi
[C]
[kPa]
[m3]
[kJ/kg-K] [kJ/kg]
25
100
0.001003
0.367
104.7
1
75
100
0.001026
1.016
313.9
500
100
3.566
8.834
3132
The change in the exergy [kJ]
The exergy transfer accompanying heat transfer [kJ]
The exergy transfer accompanying work [kJ]
The exergy destruction [kJ]
2650
2650](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff5ce3298-d1ab-44c9-a67f-7f1de1c4b288%2Fb56d73d2-2126-4910-9587-35b8051ceec4%2Fp8onws_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Question 2
Three kilograms of water in a piston-cylinder assembly, initially at 100 kPa and 75°C, are heated at
constant pressure with no internal irreversibilities to a final temperature of 500°C. For the water, Plot
the processes on the P-v curve and determine: (a) the change in exergy, (b) the exergy transfer
accompanying heat transfer, (c) the exergy transfer accompanying work, and (d) the exergy destruction.
Take To = 25 °C, Po = 100 kPa and ignore the effects of motion and gravity.
Question 2 solutions
Ti
Pi
Vi
[C]
[kPa]
[m3]
[kJ/kg-K] [kJ/kg]
25
100
0.001003
0.367
104.7
1
75
100
0.001026
1.016
313.9
500
100
3.566
8.834
3132
The change in the exergy [kJ]
The exergy transfer accompanying heat transfer [kJ]
The exergy transfer accompanying work [kJ]
The exergy destruction [kJ]
2650
2650
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