A counterflow, concentric tube heat exchanger is designed to heat water from 34 to 80 deg C using hot oil,which is supplied to the annulus at 174 deg C and discharged at 140 deg C. The thin-walled inner tube has a diameter of Di=34 mm and the overall heat transfer coefficient is 500 W/m2. K. The design condition calls for a total heat transfer rate of 4400 W. What is the length of the heat exchanger? Select one: a. 0.82485 b. 1.0478 c. 0.95849 d. 0.7013
A counterflow, concentric tube heat exchanger is designed to heat water from 34 to 80 deg C using hot oil,which is supplied to the annulus at 174 deg C and discharged at 140 deg C. The thin-walled inner tube has a diameter of Di=34 mm and the overall heat transfer coefficient is 500 W/m2. K. The design condition calls for a total heat transfer rate of 4400 W. What is the length of the heat exchanger? Select one: a. 0.82485 b. 1.0478 c. 0.95849 d. 0.7013
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 10.6P: Mot water is used to heat air in a double-pipe heat exchanger as shown in the following sketch. If...
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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.
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A counterflow, concentric tube heat exchanger is designed to heat water from 34 to 80 deg C using hot oil,which is supplied to the annulus at 174 deg C and discharged at 140 deg C. The thin-walled inner tube has a diameter of Di=34 mm and the overall heat transfer coefficient is 500 W/m2. K. The design condition calls for a total heat transfer rate of 4400 W. What is the length of the heat exchanger?
Select one:
a. 0.82485
b. 1.0478
c. 0.95849
d. 0.7013
Transcribed Image Text:A counterflow, concentric tube heat exchanger
is designed to heat water from 34 to 80 deg C
using hot oil,which is supplied to the annulus
at 174 deg C and discharged at 140 deg C. The
thin-walled inner tube has a diameter of Di=34
mm and the overall heat transfer coefficient is
500 W/m2. K. The design condition calls for a
total heat transfer rate of 4400 W. What is the
length of the heat exchanger?
Select one:
a. 0.82485
b. 1.0478
c. 0.95849
d. 0.7013
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