Heat Transfer

You have two layer of material to provide insulation. They have heat transfer co-efficient (k1>k2).
How will you obtain better insulation?

Questions by anuragdhupiya   answers by anuragdhupiya

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  • Jun 17th, 2009

The material which has lower thermal condutivity should be insulated first or the insulation should increase order of k to get effective insulation.

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E Smardy

  • Mar 22nd, 2013

I dont think you can generalise this problem - at least not for flat plane and cylindrical co-ordinates. It really depends on how much bigger k2 is relative to k1 and how big the pipe thickness is relative to the diameter.

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