A 50-mm-diameter, thin-walled metal pipe covered witha
Chapter 8, Problem 8.71(choose chapter or problem)
A 50-mm-diameter, thin-walled metal pipe covered witha 25-mm-thick layer of insulation (0.085 W/m?K) andcarrying superheated steam at atmospheric pressure issuspended from the ceiling of a large room. The steamtemperature entering the pipe is 120C, and the air tem-perature is 20C. The convection heat transfer coefficienton the outer surface of the covered pipe is 10 W/m2?K. If the velocity of the steam is 10 m/s, at what point alongthe pipe will the steam begin condensing?
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