Ohnesorge Number

Ohnesorge number is proportional to { (viscous force) / (sqrt (inertial force . surface tension force)) } and is used in momentum transfer in general and atomization calculations in particular. It is equivalent to (SQRT(We) / Re). It is normally defined in the following form :

Ohnesorge Number Calculator

Viscosity (μ): Density (ρ): Surface Tension (σ): Characteristic Length (L): Dimensional Constant (Gc):

Ohnesorge Number (Oh) =

Gc	=	Dimensional constant
L	=	Characteristic length
mu	=	Viscosity
rho	=	Density
sigma	=	Surface tension