Unrestrained Pipe Expansion
formula
\(l_{UR} = \frac { \Delta l } { \alpha \Delta T } \)
Where:
\(l_{UR}\) = unrestrained pipe length
\(\Delta l\) = pipe length change due to temperature change
\(\alpha\) = thermal expansion coefficient
\(\Delta T\) = temperature change
Solve for:
\(\Delta l = l_{UR} \alpha \Delta T \)
\(\alpha = \frac { \Delta l } { l_{UR} \Delta T } \)
\(\Delta T = \frac { \Delta l } { l_{UR} \alpha } \)