Ideal Rankine cycle efficiency % Answer: Actual Rankine cycle efficiency using pump and turbine work % Answer: If the generator efficiency = 95%, brake engine efficiency = 90% what is the combined %3D %3D Answer:

Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter47: High-pressure, Low-pressure, And Absorption Chilled-water Systems
Section: Chapter Questions
Problem 13RQ: The subcooling temperature in a condenser can be measured by taking the difference between the A....
icon
Related questions
Question

first three already answered

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:
1.
TS diagram with the cycle showing correct location of points with respect to saturation dome line
with ne and nc = 90%. answered
Ideal heat rate in KJ/KW-hr Answer:
answered
3.
Heat rejected at the condenser in KW (Actual) Answer:
Actual Rankine engine efficiency % Answer:
Ideal Rankine cycle efficiency % Answer:
Actual Rankine cycle efficiency using pump and turbine work % Answer:
If the generator efficiency = 95%, brake engine efficiency
answered
4.
5.
6.
7.
= 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
Transcribed Image Text: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: 1. TS diagram with the cycle showing correct location of points with respect to saturation dome line with ne and nc = 90%. answered Ideal heat rate in KJ/KW-hr Answer: answered 3. Heat rejected at the condenser in KW (Actual) Answer: Actual Rankine engine efficiency % Answer: Ideal Rankine cycle efficiency % Answer: Actual Rankine cycle efficiency using pump and turbine work % Answer: If the generator efficiency = 95%, brake engine efficiency answered 4. 5. 6. 7. = 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
Expert Solution
steps

Step by step

Solved in 3 steps with 3 images

Blurred answer
Knowledge Booster
Dimensional Analysis
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Refrigeration and Air Conditioning Technology (Mi…
Refrigeration and Air Conditioning Technology (Mi…
Mechanical Engineering
ISBN:
9781305578296
Author:
John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:
Cengage Learning
Principles of Heat Transfer (Activate Learning wi…
Principles of Heat Transfer (Activate Learning wi…
Mechanical Engineering
ISBN:
9781305387102
Author:
Kreith, Frank; Manglik, Raj M.
Publisher:
Cengage Learning