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Category
Thermodynamics

Linear Thermal Expansion

Change in length due to temperature change.

Variables

ΔL
Change in length
Length increase
m
α
Expansion coefficient
Linear expansion coeff
1/K
L₀
Original length
Initial length
m
ΔT
Temperature change
Change in temperature
K

Derivation

ΔL/L₀ = αΔT (proportional expansion).

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