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Thermal expansion coefficient: derivation of relationship between linear expansion and volume expansion

VS

In calculating entropy change for a solid under isothermal pressure change, we used thermal volume expansion coefficient (). However, in most cases, not volume but linear expansion coefficients () are available. In the video, we used the relationship

=3

Here, let’s derive this relationship.

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This article is from the free online course:

Thermodynamics in Energy Engineering

Hanyang University

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