The surface of a 50-mm-diameter, thin-walled tube
Chapter 8, Problem 8.46(choose chapter or problem)
The surface of a 50-mm-diameter, thin-walled tube ismaintained at 100C. In one case air is in cross flowover the tube with a temperature of 25C and a velocityof 30 m/s. In another case air is in fully developed flowthrough the tube with a temperature of 25C and a meanvelocity of 30 m/s. Compare the heat flux from the tubeto the air for the two cases.
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