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Homework Help: Rate of heat

  1. Aug 31, 2009 #1
    hi this is my first post on this forums hope every would help me here on this question

    1. The problem statement, all variables and given/known data

    outside vertical tube = 1m
    outside diameter = 80mm exposed to saturated steam at atmosspharic preasure & is maintaiined at 50 c by the flow of cool water through the tube.

    Rate of heat transfer required?
    rate at which steam is condences at the surface.

    Steam table can help

    2. Relevant equations

    Steam table can help,

    3. The attempt at a solution
  2. jcsd
  3. Aug 31, 2009 #2
    Hello, welcome to the forum.

    First you should post your attempt at solving the problem.

    Here is a quick hint at the solution. See the first law of thermodynamics.

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