It is estimated that the thermal conductivity of pine boards is 3.7 times that of pine sawdust.

It is estimated that the thermal conductivity of pine boards is 3.7 times that of pine sawdust. How can this difference be explained?

The thermal conductivity of pine boards is 3.7 times higher than that of pine sawdust due to the fact that the boards have a more “monolithic” structure compared to loose sawdust, between which there is a lot of air with low thermal conductivity.



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