b) A shell and tube heat exchanger is constructed of a copper having inner tube of inner diameter 2.8 cm and outer diameter D, = 4.0 cm and an outer tube of diameter 5.2 cm. The length of the tube is 10 m. The convection heat transfer coefficient is given to be h, = 750 W /m²°C on the inner surface of the tube and h, = 1350 W/m²°C on the outer surface. Determine i. The thermal resistance of the heat exchanger The overall heat transfer coefficients U; and U, based on the inner and outer surface areas of the tube, respectively. i.
b) A shell and tube heat exchanger is constructed of a copper having inner tube of inner diameter 2.8 cm and outer diameter D, = 4.0 cm and an outer tube of diameter 5.2 cm. The length of the tube is 10 m. The convection heat transfer coefficient is given to be h, = 750 W /m²°C on the inner surface of the tube and h, = 1350 W/m²°C on the outer surface. Determine i. The thermal resistance of the heat exchanger The overall heat transfer coefficients U; and U, based on the inner and outer surface areas of the tube, respectively. i.
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
Transcribed Image Text:b) A shell and tube heat exchanger is constructed of a copper having inner
tube of inner diameter 2.8 cm and outer diameter D, = 4.0 cm and an
outer tube of diameter 5.2 cm. The length of the tube is 10 m. The
convection heat transfer coefficient is given to be h = 750 W /M²°C on
the inner surface of the tube and h, = 1350 W/m2°C on the outer
surface. Determine
|
i. The thermal resistance of the heat exchanger
ii. The overall heat transfer coefficients U; and U, based on the inner
and outer surface areas of the tube, respectively.
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