1) The hotter fluid of a parallel flow heat exchanger decreases in temperature from 200°C to 100°C and the cooler fluid increases from 40°C to 90°C. For the same heat transfer, what is the percentage saving in area made by using counter flow instead? [34.5%]
1) The hotter fluid of a parallel flow heat exchanger decreases in temperature from 200°C to 100°C and the cooler fluid increases from 40°C to 90°C. For the same heat transfer, what is the percentage saving in area made by using counter flow instead? [34.5%]
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter10: Heat Exchangers
Section: Chapter Questions
Problem 10.23P
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Heat Exchangers
Heat exchangers are the types of equipment that are primarily employed to transfer the thermal energy from one fluid to another, provided that one of the fluids should be at a higher thermal energy content than the other fluid.
Heat Exchanger
The heat exchanger is a combination of two words ''Heat'' and ''Exchanger''. It is a mechanical device that is used to exchange heat energy between two fluids.
Question
![Q1) The hotter fluid of a parallel flow heat exchanger decreases in temperature
from 200°C to 100°C and the cooler fluid increases from 40°C to 90°C. For the
same heat transfer, what is the percentage saving in area made by using
counter flow instead?
[34.5%]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F64cf321c-11a4-4d23-b142-c9e6eb56fc28%2Fb18a0e60-8ad2-48af-b834-6268b163d028%2F71lz1u7_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q1) The hotter fluid of a parallel flow heat exchanger decreases in temperature
from 200°C to 100°C and the cooler fluid increases from 40°C to 90°C. For the
same heat transfer, what is the percentage saving in area made by using
counter flow instead?
[34.5%]
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