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Do spherical ovens conserve heat better than others?

 
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Aug1-10, 01:13 AM   #1
 

Do spherical ovens conserve heat better than others?

How does blackbody physics explain its ideal (or practical) shape for greatest thermal efficiency?
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Aug2-10, 03:48 AM   #2
 
I may be oversimplifying here, but isn't it quite obvious? When you minimize the surface area, heat transfer is less efficient.
Aug4-10, 05:18 PM   #3
 
Might thermal conservation by a blackbody be a function of temperature alone?
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