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Homework Help: Copper Pipe Conduction

  1. Apr 7, 2008 #1
    1. The problem statement, all variables and given/known data
    I have to find the energy removed through conduction from a copper pipe.
    Pipe Inner Diameter (Din): 8mm
    Pipe Wall Thickness (Dout): 1mm
    Thermal Conductivity (k): 401W/m.K
    Temp inside pipe -150C, Outside 30C
    Length (L)=1m

    2. Relevant equations
    The Equation I used was as follows:
    (Tout - Tin)/R=Q/s
    Where R= ln(Dout/Din)/2.PI.k.L

    3. The attempt at a solution
    I ended up getting approximately 2050kW
    Which too me seemed a bit high... Would just like someone else to validate I did everything correct.

  2. jcsd
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