The image above represents kinetic force of fluid flow. To calculate kinetic force of fluid flow, three essential parameters are needed and these parameters are Radius of Tube (R), Length of Tube (L) and Shear Stress at Wall (Ï„o).
The formula for calculating kinetic force of fluid flow:
Fk = 2Ï€.RLÏ„o
Where:
Fk = Kinetic Force of Fluid Flow
R = Radius of Tube
L = Length of Tube
Ï„o = Shear Stress at Wall
Let’s solve an example;
Find the kinetic force of fluid flow when the radius of tube is 10, the length of tube is 8 and the shear stress at wall is 4.
This implies that;
R = Radius of Tube = 10
L = Length of Tube = 8
Ï„o = Shear Stress at Wall = 4
Fk = 2Ï€.RLÏ„o
So, Fk = 2Ï€.(10)(8)(4)
Fk = (6.28).(320)
Fk = 2010.61
Therefore, the kinetic force of fluid flow is 2010.61 N.
Calculating the Radius of Tube when the Kinetic Force of Fluid Flow, the Length of Tube and the Shear Stress at Wall are Given.
R = Fk / 2Ï€.LÏ„o
Where:
R = Radius of Tube
Fk = Kinetic Force of Fluid Flow
L = Length of Tube
Ï„o = Shear Stress at Wall
Let’s solve an example;
Find the radius of tube when the kinetic force of fluid flow is 24, the length of tube is 2 and the shear stress at wall is 4.
This implies that;
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Fk = Kinetic Force of Fluid Flow = 24
L = Length of Tube = 2
Ï„o = Shear Stress at Wall = 4
R = Fk / 2Ï€.LÏ„o
R = 24 / 2Ï€.(2)(4)
Then, R = 24 / 50.27
R = 0.48
Therefore, the radius of tube is 0.48.
Read more:Â How to Calculate and Solve for Shear Stress | Mechanical Properties
Calculating the Length of Tube when the Kinetic Force of Fluid Flow, the Radius of Tube and the Shear Stress at Wall are Given
L = Fk / 2Ï€.RÏ„o
Where:
L = Length of Tube
Fk = Kinetic Force of Fluid Flow
R = Radius of Tube
Ï„o = Shear Stress at Wall
Let’s solve an example;
Find the length of tube when the kinetic force of fluid flow is 42, the radius of the tube is 8 and the shear stress at wall is 5.
This implies that;
Fk = Kinetic Force of Fluid Flow = 42
R = Radius of Tube = 8
Ï„o = Shear Stress at Wall = 5
L = Fk / 2Ï€.RÏ„o
L = 42 / 2Ï€.(8)(5)
Then, L = 42 / 251.3
L = 0.167
Therefore, the length of tube is 0.167.
Calculating the Shear Stress at Wall when the Kinetic Force of Fluid Flow, the Radius of Tube and the Length of Tube are Given
Ï„o = Fk / 2Ï€.RL
Where:
Ï„o = Shear Stress at Wall
Fk = Kinetic Force of Fluid Flow
R = Radius of Tube
L = Length of Tube
Let’s solve an example;
Find the shear stress at wall when the kinetic force of fluid flow is 50, the radius of tube is 4 and the length of tube is 2.
This implies that;
Fk = Kinetic Force of Fluid Flow = 50
R = Radius of Tube = 4
L = Length of Tube = 2
Ï„o = Fk / 2Ï€.RL
Ï„o = 50 / 2Ï€.(4)(2)
So, Ï„o = 50 / 50.27
Ï„o = 0.99
Therefore, the shear stress at wall is 0.99.
Read more:Â How to Calculate and Solve for Drag Force | Transport Phenomena
How to Calculate Kinetic Force of Fluid Flow With Nickzom Calculator
Nickzom Calculator – The Calculator Encyclopedia is capable of calculating the kinetic force of fluid flow.
To get the answer and workings of the kinetic force of fluid flow 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
To get access to the professional version via web, you need to register and subscribe 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 Transport Phenomena under Materials and Metallurgical
Now, Click on Kinetic Force of Fluid Flow under Transport Phenomena
The screenshot below displays the page or activity to enter your values, to get the answer for the kinetic force of fluid flow according to the respective parameter which is the Radius of Tube (R), Length of Tube (L) and Shear Stress at Wall (τo).
Now, enter the values appropriately and accordingly for the parameters as required by the Radius of Tube (R) is 10, Length of Tube (L) is 8 and Shear Stress at Wall (τo) is 4.
Finally, Click on Calculate
As you can see from the screenshot above, Nickzom Calculator– The Calculator Encyclopedia solves for the kinetic force of fluid flow and presents the formula, workings and steps too.
