The Scruton number Sc is an important parameter for
vortex-induced vibration (excitation) of structures, vibrations caused by rain or wind, dry inclined
cable galloping, and wake galloping, the unstable airflow that forms around bridge cables and other cylindrically-structured buildings. It is named after Christopher "Kit" Scruton, a British industrial dynamics engineer.
It is defined by:
:
where
:
References
{{NonDimFluMech
Dimensionless numbers of fluid mechanics