The electrical power output from a coal fired steam power plant is 800 MWe and the thermal efficiency (ηth) is 31%. The unconverted energy from the fuel is rejected to the environment as waste heat. 18% of the waste heat goes up the smoke stack and the remaining 82% is taken away by cooling water that is drawn from a nearby river. The river has an upstream flow of 60 m3s-1 and a temperature of 15.0 oC. If the cooling water is allowed to rise only 6.0 oC to meet regulatory compliance, what is the approximate flow rate of water required (in m3/hour) from the river?
The electrical power output from a coal fired steam power plant is 800 MWe and the thermal efficiency (ηth) is 31%. The unconverted energy from the fuel is rejected to the environment as waste heat. 18% of the waste heat goes up the smoke stack and the remaining 82% is taken away by cooling water that is drawn from a nearby river. The river has an upstream flow of 60 m3s-1 and a temperature of 15.0 oC. If the cooling water is allowed to rise only 6.0 oC to meet regulatory compliance, what is the approximate flow rate of water required (in m3/hour) from the river?
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
Related questions
Concept explainers
Question
The electrical power output from a coal fired steam power plant is 800 MWe and the thermal efficiency (ηth) is 31%. The unconverted energy from the fuel is rejected to the environment as waste heat. 18% of the waste heat goes up the smoke stack and the remaining 82% is taken away by cooling water that is drawn from a nearby river. The river has an upstream flow of 60 m3s-1 and a temperature of 15.0 oC. If the cooling water is allowed to rise only 6.0 oC to meet regulatory compliance, what is the approximate flow rate of water required (in m3/hour) from the river?
The specific heat capacity of water is 4.184 kJ/kgoC.
- A.
190m3/h
- B.
270m3/h
- C.
330m3/h
- D.
120m3/h
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps
Knowledge Booster
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.Recommended textbooks for you
Elements Of Electromagnetics
Mechanical Engineering
ISBN:
9780190698614
Author:
Sadiku, Matthew N. O.
Publisher:
Oxford University Press
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:
9780134319650
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:
9781259822674
Author:
Yunus A. Cengel Dr., Michael A. Boles
Publisher:
McGraw-Hill Education
Elements Of Electromagnetics
Mechanical Engineering
ISBN:
9780190698614
Author:
Sadiku, Matthew N. O.
Publisher:
Oxford University Press
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:
9780134319650
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:
9781259822674
Author:
Yunus A. Cengel Dr., Michael A. Boles
Publisher:
McGraw-Hill Education
Control Systems Engineering
Mechanical Engineering
ISBN:
9781118170519
Author:
Norman S. Nise
Publisher:
WILEY
Mechanics of Materials (MindTap Course List)
Mechanical Engineering
ISBN:
9781337093347
Author:
Barry J. Goodno, James M. Gere
Publisher:
Cengage Learning
Engineering Mechanics: Statics
Mechanical Engineering
ISBN:
9781118807330
Author:
James L. Meriam, L. G. Kraige, J. N. Bolton
Publisher:
WILEY