Chemical Engineering - Heat Transfer - Discussion

Discussion Forum : Heat Transfer - Section 1 (Q.No. 13)
13.
With increase in porosity, the thermal conductivity of a solid substance
increases
decreases
remains unchanged
may increase or decrease; depends on the solid
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
11 comments Page 2 of 2.

Ritik gupta said:   7 years ago
I think chemical bonding between the molecules of this material is not much strong. And increased the temperature. It could not conduct heat for a long time. So the thermal conductivity of the porous material decreases with increase in temperature.


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