Coefficient of Expansion in Railway Engineering Formulas

The Coefficient of Expansion is the change in length per unit change in temperature of a solid. It is expressed in per °C. And is denoted by α. Coefficient of Expansion is usually measured using the Per Degree Celsius for Coefficient of Linear Expansion. Note that the value of Coefficient of Expansion is always positive.

Railway Engineering formulas that make use of Coefficient of Expansion

fxIncrease in length due to expansionGo

fxForce required to prevent expansionGo

FAQ

What is the Coefficient of Expansion?

The Coefficient of Expansion is the change in length per unit change in temperature of a solid. It is expressed in per °C. Coefficient of Expansion is usually measured using the Per Degree Celsius for Coefficient of Linear Expansion. Note that the value of Coefficient of Expansion is always positive.

Can the Coefficient of Expansion be negative?

No, the Coefficient of Expansion, measured in Coefficient of Linear Expansion cannot be negative.

What unit is used to measure Coefficient of Expansion?

Coefficient of Expansion is usually measured using the Per Degree Celsius[°C⁻¹] for Coefficient of Linear Expansion. Per Kelvin[°C⁻¹] are the few other units in which Coefficient of Expansion can be measured.

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