Which of the following equations can be used to calculatethe average Sherwood number for mass transfer from agas into a falling film when you can assume short contacttimes?OOD VO0.69AB maxVaveEDAB市。ΠΖ3μQ )1/3PgW1.38V LaveEDAB

Answered: Which of the following equations can be…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

Which of the following equations can be used to calculate
the average Sherwood number for mass transfer from a
gas into a falling film when you can assume short contact
times?
O
O
D V
O
0.69
AB max
V
ave
E
D
AB
市。
ΠΖ
3μQ )1/3
PgW
1.38
V L
ave
E
D
AB

Expert Solution

Step 1

The mass transfer coefficient might me obtained from the correlation given in Chuplce equation where Prandtl number $P r = \frac{v}{a}$ is replaced by $S c = \frac{V}{D_{A B}}$ and $N u = \frac{h l}{k}$ can be replaced by Sherwood number $S r = 0.69 \sqrt{\frac{V_{a v e^{z}}}{D_{A B}}}$ .

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