Hot linear expansion online calculator

App Description

Enter the value and click "Calculate" to display the result

Calculation formula:

L = linear expansion

L₁ = initial length

α = linear expansion coefficient of material

T₁ = initial temperature

T₂ = final temperature

Through solids, liquids and gases have dimensional changes, temperature changes, and pressures remain constant.

In the heat transfer process, it is the energy change of the interatomic bonds stored between the molecules.
When the stored energy increases, the bond length of the molecule. Therefore, the solid usually expands the
cooling heating and contract response; this response to temperature changes is expressed as its coefficient
of thermal expansion.

The coefficient of thermal expansion is the thermodynamic property of the substance. It involves changes in
the temperature of the material to the linear dimensions of the material. It is the rate of change in length
of each degree of temperature change.

Most solids swell when heated. The reason is that this gives the atom more room to bounce and the kinetic energy
is already high in high temperature conditions. The effect of thermal expansion is relatively small and is
approximately linear at absolute temperatures.

Most materials undergo thermal expansion: they tend to expand when heated and shrink when cooled. Therefore, the
expansion joints of the bridge are constructed of metal, so they can expand and contract to cause a break in the
overall structure of the bridge. Other machines and structures also have built-in protection against thermal
expansion. However, thermal expansion can also be advantageous, allowing the thermometer and thermostat to work.

Usage example

Input data:

Initial length: 10m

Initial temperature: 10 ° C

Final temperature: 45 ° C

Linear expansion coefficient of material: 60 10^-6°C-1

Click "Calculate" to output data

Linear expansion: 21000 10^-6m