Homework/Seatwork no. 3 PROBLEM: A Rankine cycle is executed with steam expanding initially from 20 MPaa and 100 deg SH. Condensation occurs at 300 mm HG vac. All expansion and compression efficiencies are 90 %. Sketch the equipment layout and the TS diagram. Answer the following for 10 kg/sec of steam circulated and fill up the blanks in the items below: TS diagram with the cycle showing correct location of points with respect to saturation dome line with ne and nc = 90%. . Ideal heat rate in KJ/KW-hr Answer: . Heat rejected at the condenser in KW (Actual) Answer: Actual Rankine engine efficiency % Answer: . Ideal Rankine cycle efficiency % Answer:
Homework/Seatwork no. 3 PROBLEM: A Rankine cycle is executed with steam expanding initially from 20 MPaa and 100 deg SH. Condensation occurs at 300 mm HG vac. All expansion and compression efficiencies are 90 %. Sketch the equipment layout and the TS diagram. Answer the following for 10 kg/sec of steam circulated and fill up the blanks in the items below: TS diagram with the cycle showing correct location of points with respect to saturation dome line with ne and nc = 90%. . Ideal heat rate in KJ/KW-hr Answer: . Heat rejected at the condenser in KW (Actual) Answer: Actual Rankine engine efficiency % Answer: . Ideal Rankine cycle efficiency % Answer:
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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![Homework/Seatwork no. 3
PROBLEM:
A Rankine cycle is executed with steam expanding initially from 20 MPaa and 100 deg SH.
Condensation occurs at 300 mm HG vac. All expansion and compression efficiencies are 90 %.
Sketch the equipment layout and the TS diagram.
Answer the following for 10 kg/sec of steam circulated and fill up the blanks in the items below:
TS diagram with the cycle showing correct location of points with respect to saturation dome line
with ne and nc = 90%.
2. Ideal heat rate in KJ/KW-hr Answer:
3. Heat rejected at the condenser in KW (Actual) Answer:
Actual Rankine engine efficiency % Answer:
5. Ideal Rankine cycle efficiency % Answer:
6. Actual Rankine cycle efficiency using pump and turbine work % Answer:
7. If the generator efficiency = 95%, brake engine efficiency = 90% what is the combined work in KW?
%3D
Answer:
8. If Cp water = 4.187 KJ/kg-K; cooling water enters the condenser at 12 deg C and leaves at 21 deg C,
find amount of cooling water needed by the condenser in kg/sec. (ACTUAL) Answer:
9. Torque at the dynamometer if the engine is running at 900 rpm. Answer:
10. Combined Steam rate Answer](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F689552ee-eeaf-4d3b-8051-1b37edf834fd%2F5d77e30a-0113-4c91-92cb-a0710737f9c9%2Fac9yht9_processed.png&w=3840&q=75)
Transcribed Image Text:Homework/Seatwork no. 3
PROBLEM:
A Rankine cycle is executed with steam expanding initially from 20 MPaa and 100 deg SH.
Condensation occurs at 300 mm HG vac. All expansion and compression efficiencies are 90 %.
Sketch the equipment layout and the TS diagram.
Answer the following for 10 kg/sec of steam circulated and fill up the blanks in the items below:
TS diagram with the cycle showing correct location of points with respect to saturation dome line
with ne and nc = 90%.
2. Ideal heat rate in KJ/KW-hr Answer:
3. Heat rejected at the condenser in KW (Actual) Answer:
Actual Rankine engine efficiency % Answer:
5. Ideal Rankine cycle efficiency % Answer:
6. Actual Rankine cycle efficiency using pump and turbine work % Answer:
7. If the generator efficiency = 95%, brake engine efficiency = 90% what is the combined work in KW?
%3D
Answer:
8. If Cp water = 4.187 KJ/kg-K; cooling water enters the condenser at 12 deg C and leaves at 21 deg C,
find amount of cooling water needed by the condenser in kg/sec. (ACTUAL) Answer:
9. Torque at the dynamometer if the engine is running at 900 rpm. Answer:
10. Combined Steam rate Answer
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