Weber Number

Weber number is proportional to { (inertial force) / (surface tension force) } and is used in momentum transfer in general and bubble/droplet formation and breakage of liquid jets calculations in particular. It is normally defined in one of the following forms :

Weber Number Calculator

Weber Number Calculator (using V)

Characteristic Length (D) Velocity (V) Density (ρ) Surface Tension (σ) Dimensional Constant (gc)

Weber Number Calculator (using G)

Characteristic Length (D) Mass Velocity (G) Density (ρ) Surface Tension (σ) Dimensional Constant (gc)

gc	=	Dimensional constant
G	=	Mass velocity
D	=	Characteristic length
rho	=	Density
sigma	=	Surface tension
V	=	Velocity