A thin-walled tube with a diameter of 6 mm and lengthof 20
Chapter 8, Problem 8.70(choose chapter or problem)
A thin-walled tube with a diameter of 6 mm and lengthof 20 m is used to carry exhaust gas from a smoke stackto the laboratory in a nearby building for analysis. Thegas enters the tube at 200C and with a mass flow rateof 0.003 kg/s. Autumn winds at a temperature of 15Cblow directly across the tube at a velocity of 5 m/s.Assume the thermophysical properties of the exhaustgas are those of air. (a) Estimate the average heat transfer coefficient forthe exhaust gas flowing inside the tube.(b) Estimate the heat transfer coefficient for the airflowing across the outside of the tube.(c) Estimate the overall heat transfer coefficient Uand the temperature of the exhaust gas when itreaches the laboratory.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer