Hot exhaust gases are used in a finned-tube cross-flow heat exchanger to heat 2.5 kg/s of water from 35 to 85-C. The gases [cp = 1.09 kJ/kg . °C] enter at 200 and leave at 93°C. The overall heat-transfer coefficient is 180 W/m2. C. Calculate the area of the heat exchanger using the LMTD approach.
Hot exhaust gases are used in a finned-tube cross-flow heat exchanger to heat 2.5 kg/s of water from 35 to 85-C. The gases [cp = 1.09 kJ/kg . °C] enter at 200 and leave at 93°C. The overall heat-transfer coefficient is 180 W/m2. C. Calculate the area of the heat exchanger using the LMTD approach.
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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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
![Hot exhaust gases are
used in a finned-tube
cross-flow heat exchanger
to heat 2.5 kg/s of water
from 35 to 85-C. The gases
[cp = 1.09 kJ/kg . °C] enter
at 200 and
leave at 93°C. The overall
heat-transfer coefficient is
180 W/m2 • °C. Calculate
the area of the heat
exchanger using the LMTD
approach.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4f2081c5-9f23-44cd-8e8c-4ce563bbff48%2Fad6c20e0-90d5-40e9-a10e-0a850e111954%2F1e7xz6_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Hot exhaust gases are
used in a finned-tube
cross-flow heat exchanger
to heat 2.5 kg/s of water
from 35 to 85-C. The gases
[cp = 1.09 kJ/kg . °C] enter
at 200 and
leave at 93°C. The overall
heat-transfer coefficient is
180 W/m2 • °C. Calculate
the area of the heat
exchanger using the LMTD
approach.
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