velocity#
$$U \sim \text L\,\text T^{-1}$$
Rate of displacement of a fluid element or body. In dimensionless analysis it typically represents a characteristic (bulk, free-stream, or mean) speed that sets the advective time scale.
Used in#
- Brinkman number
- Capillary number
- Cauchy number
- Cavitation number
- Courant number
- Drag coefficient
- Eckert number
- Euler number
- Froude number
- Lift coefficient
- Mach number
- Mass Péclet number
- Pressure coefficient
- Péclet number
- Reynolds number
- Richardson number
- Rossby number
- Skin-friction coefficient
- Stanton number
- Strouhal number
- Weber number