Chemical Engineering - Heat Transfer - Discussion
Discussion Forum : Heat Transfer - Section 9 (Q.No. 35)
35.
The film co-efficient between condensing vapour and metal wall increases with
Discussion:
2 comments Page 1 of 1.
Abh said:
1 month ago
B is the correct answer because the equation has 1/(tv - tw)^(1/4).
Therefore, decreasing the temperature increases the film coefficient.
Therefore, decreasing the temperature increases the film coefficient.
Andy Mukil said:
3 years ago
B) is correct because h increases with a decrease in Tv.
h is prop to ( Tv - Tw )^(-1/4).
h is prop to ( Tv - Tw )^(-1/4).
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