The linear expansivity is illustrated by the image below. To calculate linear expansivity, three essential parameters are needed and these parameters are Original Length (l1), Final Length (l2) and Temperature Rise in Celsius (θ).
The formula for calculating linear expansivity:
α = (l₂ – l₁)/l₁θ
Where;
α = Linear Expansivity
l₂ = Final Length
l₁ = Original Length
θ = Temperature rise (°C)
Given an example;
Find the linear expansivity when the original length is 8, the final length is 10 and the temperature rise is 14.
This implies that;
l₂ = Final Length = 8
l₁ = Original Length = 10
θ = Temperature rise (°C) = 14
α = (l₂ – l₁)/l₁θ
That is, α = (10 – 8) / (8 x 14°C)
α = (2) / (112)
α = 0.0178
Therefore, the linear expansivity is 0.0178 1/K.
Read more: How to Calculate and Solve for Volume or Cubic Expansivity | Thermal Properties
How to Calculate Linear Expansivity Using Nickzom Calculator
Nickzom Calculator – The Calculator Encyclopedia is capable of calculating the linear expansivity.
To get the answer and workings of the linear expansivity 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 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 Thermal Properities under Materials and Metallurgical
Now, Click on Linear Expansivity under Thermal Properities
The screenshot below displays the page or activity to enter your values, to get the answer for the linear expansivity according to the respective parameter which is the Original Length (l1), Final Length (l2) and Temperature Rise in Celsius (θ).
Now, enter the values appropriately and accordingly for the parameters as required by the Original Length (l1) is 8, Final Length (l2) is 10 and Temperature Rise in Celsius (θ) is 14.
Finally, Click on Calculate
As you can see from the screenshot above, Nickzom Calculator– The Calculator Encyclopedia solves for the linear expansivity and presents the formula, workings and steps too.
