Chemical Engineering - Heat Transfer - Discussion
Discussion Forum : Heat Transfer - Section 3 (Q.No. 30)
30.
The film thickness for laminar film condensation on vertical surface __________ from top to bottom.
Discussion:
1 comments Page 1 of 1.
Raja said:
3 years ago
Black bodies have the highest emissivity (equal to 1) and rough surfaces have higher surface area than polished surfaces.
So, black and rough surfaces emit radiations more rapidly.
So, black and rough surfaces emit radiations more rapidly.
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