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Heat transfer in fluids, Comsol 4.0a

  1. Jun 16, 2011 #1
    1. The problem statement, all variables and given/known data
    hi there,

    I'm working on an annealing furnace. ingots are warmed up in the oven. I'm doing this with a finite elements method called Comsol Multiphysics. This is a pretty complex software program. Can someone please help me with this part of Comsol


    2. Relevant equations

    it is about an aluminum alloy warmed by air at a temperature of 610 degree's
    alluminum has a thermal conductivity of 155 W/(m*K)

    the density of air is not relevant in heat transfer (because of the reynolds number)

    what is the heat capacity in this case? (velocity is 3.63 m/s)

    how long will it take to heat the ingot from 20 degrees celcius to 609 degree's celsius?!
     
  2. jcsd
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