Mechanical Engineering - Heat Transfer, Refrigeration and Air Conditioning - Discussion
Discussion Forum : Heat Transfer, Refrigeration and Air Conditioning - Section 4 (Q.No. 20)
20.
The critical thickness of insulation is the ratio of thermal conductivity of the insulating material (k) to the heat transfer coefficient at the outer surface of the insulation (h0).
Discussion:
4 comments Page 1 of 1.
BJN said:
5 years ago
I think here, the question should be "critical radius of insulation".
Waseem said:
8 years ago
Yes, for sphere it's 2k/h.
Waseem said:
8 years ago
Yes, for sphere it's k/h^2.
Anik said:
1 decade ago
Only for cylinders.
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