The image above represents permeation. To calculate permeation, six essential parameters are needed and these parameters are Length of Vessel (L), Diameter (D), Initial Concentration (c1), Final Concentration (c2), Inlet Radius of Pipe (r1)Â and Exit Radius of Pipe (r2).
The formula for calculating permeation:
j = -2Ï€LD (c1Â – c2Â /Â In(r1/r2))
Where:
j = Permeation
L = Length of Vessel
D = Diameter
c1Â = Initial Concentration
c2Â = Final Concentration
r1Â = Inlet Radius of Pipe
r2Â = Exit Radius of Pipe
Let’s solve an example;
Find the permeation when the length of vessel is 8, the diameter is 2, the initial concentration is 4, the final concentration is 9, the inlet radius of pipe is 13 and the exit radius of pipe is 11.
This implies that;
L = Length of Vessel = 8
D = Diameter = 2
c1 = Initial Concentration = 4
c2 = Final Concentration = 9
r1 = Inlet Radius of Pipe = 13
r2 = Exit Radius of Pipe = 11
j = -2Ï€LD (c1Â – c2Â /Â In(r1/r2))
So, j = -2Ï€(8)(2) (4 – 9/In(13/11))
j = (-100.53) (-5/In(1.18))
j = (-100.53) (-5/0.167)
Then, j = (-100.53) (-29.93)
j = 3008.9
Therefore, the permeation is 3008.9 m².
Read more:Â How to Calculate and Solve for Permeability due to Partial Pressure | Mass Transfer
How to Calculate Permeation in Mass Transfer Using Nickzom Calculator
Nickzom Calculator – The Calculator Encyclopedia is capable of calculating the permeation.
To get the answer and workings of the permeation using the Nickzom Calculator – The Calculator Encyclopedia. First, you need to obtain the app.
You can get this app via any of these means:
Web – https://www.nickzom.org/calculator-plus
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You can also try the demo version via https://www.nickzom.org/calculator
Android (Paid) – https://play.google.com/store/apps/details?id=org.nickzom.nickzomcalculator
Android (Free) – https://play.google.com/store/apps/details?id=com.nickzom.nickzomcalculator
Apple (Paid) – https://itunes.apple.com/us/app/nickzom-calculator/id1331162702?mt=8
Once, you have obtained the calculator encyclopedia app, proceed to the Calculator Map, then click on Materials and Metallurgical under Engineering.
Now, Click on Mass Transport under Materials and Metallurgical
Now, Click on Permeation under Mass Transport
The screenshot below displays the page or activity to enter your values, to get the answer for the permeation according to the respective parameter which is the Length of Vessel (L), Diameter (D), Initial Concentration (c1), Final Concentration (c2), Inlet Radius of Pipe (r1)Â and Exit Radius of Pipe (r2).
Now, enter the values appropriately and accordingly for the parameters as required by the Length of Vessel (L) is 8, Diameter (D) is 2, Initial Concentration (c1) is 4, Final Concentration (c2) is 9, Inlet Radius of Pipe (r1) is 13 and Exit Radius of Pipe (r2) is 11.
Finally, Click on Calculate
As you can see from the screenshot above, Nickzom Calculator– The Calculator Encyclopedia solves for the permeation and presents the formula, workings and steps too.
