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Thread: thermal conductivity

  1. #1 thermal conductivity 
    Forum Bachelors Degree
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    Jul 2009
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    Hi - engineering toolbox puts Silicone Oil at 0.1 W/m.K and Water at 0.58 W/m.K - can anyone help expalin what this means, I get mixed results as Freon comes in at 0.073 and Methanol 0.21.......

    ...the reason I am confused is it would seem Silicone Oil is better at heat transfer than Water, but metals such as Copper have a really high number (401) so I am unsure as to how to read the cart......

    Thermal Conductivity of some common Materials and Gases

    Thanks!


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  3. #2  
    Forum Bachelors Degree
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    I have since found out that a higher number is better - strange that Methanol with a much lower boiling point comes in with a lower thermal conductivity than water though!


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