Chemical Engineering - Heat Transfer - Discussion

Discussion Forum : Heat Transfer - Section 7 (Q.No. 24)
24.
The inside heat transfer co-efficient in case of turbulent flow of liquid in the tube side in a 1-2 shell and tube heat exchanger is increased by __________ times, when the number of tube passes is increased to 8.
20.8
40.8
40.4
20.4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
4 comments Page 1 of 1.

Ankit said:   4 years ago
Thanks @Suraj.

Suraj said:   4 years ago
h is directly proportional to ( Np )^0.8,
For the first case Np=2.
For the second case Np=8.
h for the second case will be (8/2)^0.4,
i.e option B.

Yogesh said:   5 years ago
Please explain the answer.

Hardik said:   7 years ago
Through what relationship can we determine it?

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