Air at 206.8 kPa and an average of 477.6 K is being heated as it flows through a tube of 25.4mm inside diameter at a velocity of 7.62 m/s. The heating medium is 488.7 K steam condensing on the outside of the tube. Since the heat transfer coefficient of condensing steam is several thousand W/m2 K and the resistance of the metal wall is very small, it will be assumed that the surface wall temperature of the metal in contact with the air is 488.7 K. calculate the heat transfer coefficient for an L/D>60 and also the heat transfer flux q/A.
Air at 206.8 kPa and an average of 477.6 K is being heated as it flows through a tube of 25.4mm inside diameter at a velocity of 7.62 m/s. The heating medium is 488.7 K steam condensing on the outside of the tube. Since the heat transfer coefficient of condensing steam is several thousand W/m2 K and the resistance of the metal wall is very small, it will be assumed that the surface wall temperature of the metal in contact with the air is 488.7 K. calculate the heat transfer coefficient for an L/D>60 and also the heat transfer flux q/A.
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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Air at 206.8 kPa and an average of 477.6 K is being heated as it flows through a tube of 25.4mm inside
diameter at a velocity of 7.62 m/s. The heating medium is 488.7 K steam condensing on the outside of the
tube. Since the heat transfer coefficient of condensing steam is several thousand W/m2
K and the
resistance of the metal wall is very small, it will be assumed that the surface wall temperature of the metal
in contact with the air is 488.7 K. calculate the heat transfer coefficient for an L/D>60 and also the heat
transfer flux q/A.
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