Kinematic Viscosity

Kinematic viscosity, abbreviated as \(\nu \) (Greek symbol nu), is the ratio of dynamic viscosity to density or the resistive flow of a fluid under the influance of gravity.    

 

Kinematic viscosity formula

\(\large{ \nu = \frac{\mu}{\rho}  }\)

Where:

Units	English	SI
\(\large{ \nu }\)  (Greek symbol nu) = kinematic viscosity	\(\large{\frac{ft^2}{sec}}\)	\(\large{\frac{m^2}{s}}\)
\(\large{ \rho }\)  (Greek symbol rho) = density	\(\large{\frac{lbm}{ft^3}}\)	\(\large{\frac{kg}{m^3}}\)
\(\large{ \mu }\)  (Greek symbol mu) = dynamic viscosity	\(\large{\frac{ft-lbf}{ft^2-sec}}\)	\(\large{ Pa-s }\)

 

Related Kinematic Viscosity formulas

\(\large{ \nu =  Pr  \;  \alpha  }\)	(Prandtl number)
\(\large{ \nu =  Sc \; D_m  }\)	(Schmidt number)

Where:

\(\large{ \nu }\)  (Greek symbol nu) = kinematic viscosity

\(\large{ D_m }\) = mass diffusivity

\(\large{ Pr }\) = Prandtl number

\(\large{ Sc }\) = Schmidt number

\(\large{ \alpha }\)  (Greek symbol alpha) = thermal diffusivity