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Homework Help: Extended Surfaces (Fins) Adiabatic Tip

  1. Mar 30, 2015 #1
    1. The problem statement, all variables and given/known data
    Please see images - full problem statement given.
    Summary: I have to calculate TL for an adiabatic tip extended surface

    I found all the equations for points 1-6 but cannot figure out 7.
    2. Relevant equations

    1st BC: θ(0) = Tb - T
    2nd BC: x=L
    3. The attempt at a solution
    If it is an adiabatic tip, the formula from Fourier's Law is dθ/dx = 0 (@x=L)
    It is case specific which in mine is an adiabatic tip (no heat release from the tip)

    I don't get why I am being asked to calculate for TL then...can someone please clarify. Doc - Mar 30, 2015, 1-13 PM - p1.jpg Doc - Mar 30, 2015, 1-13 PM - p2.jpg
  2. jcsd
  3. Apr 4, 2015 #2
    Thanks for the post! This is an automated courtesy bump. Sorry you aren't generating responses at the moment. Do you have any further information, come to any new conclusions or is it possible to reword the post?
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