The image above represents porosity. Three essential parameters are needed to calculate porosity: sedimentation velocity (uc), correlation velocity (ui), and index number (n).
The formula for calculating porosity:
e = (uc/ui)1/n
Where:
e = Porosity | Voidage System
uc = Sedimentation Velocity
ui = Corresponding Velocity
n = Index Number
Let’s solve an example;
Find the porosity when the sedimentation velocity is 22, the corresponding velocity is 10 and the index number is 14.
This implies that;
uc = Sedimentation Velocity = 22
ui = Corresponding Velocity = 10
n = Index Number = 14
e = (uc/ui)1/n
e = (22/10)(1/14)
That is, e = (2.2)(1/14)
e = 1.057
Therefore, the porosity is 1.057.
Read more:Â How to Calculate and Solve for Porosity | Voidage System | Fluidization
How to Calculate Porosity | Voidage System Using Nickzom Calculator
Nickzom Calculator – The Calculator Encyclopedia is capable of calculating the porosity.
To get the answer and workings of the porosity 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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To get access to the professional version via web, you need to register and subscribe for NGN 2,000 per annum to have utter access to all functionalities.
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 Fluidization under Materials and Metallurgical
Now, Click on Porosity | Voidage System under Fluidization
The screenshot below displays the page or activity to enter your values, to get the answer for the porosity according to the respective parameter which is the Sedimentation Velocity (uc), Corresponding Velocity (ui) and Index Number (n).
Now, enter the values appropriately and accordingly for the parameters as required by the Sedimentation Velocity (uc) is 22, Corresponding Velocity (ui) is 10 and Index Number (n) is 14.
Finally, Click on Calculate
As you can see from the screenshot above, Nickzom Calculator– The Calculator Encyclopedia solves for the porosity and presents the formula, workings and steps too.
