Dynamic viscosity water

The dynamic viscosity (also called absolute viscosity) is used to calculate Reynolds Number to determine if a fluid flow is laminar, transient or turbulent.

Sources:

Symbol
$\eta_{w}$
Unit
Pa.s
Formulas
$\nu_{w} \zeta_{w}$general equation
$-1.3333{\cdot}{10}^{-8} {\theta_{w}}^3+1.2784{\cdot}{10}^{-6} {\theta_{w}}^2-6.0181{\cdot}{10}^{-5} \theta_{w}+1.888{\cdot}{10}^{-3}$seawater
$-1.2949{\cdot}{10}^{-8} {\theta_{w}}^3+1.2858{\cdot}{10}^{-6} {\theta_{w}}^2-6.0068{\cdot}{10}^{-5} \theta_{w}+1.791{\cdot}{10}^{-3}$fresh water
Related
$e$
Constant $e$ [m/s$^2$]
$\nu_{w}$
$\theta_{w}$
$\zeta_{w}$
Density water [kg/m$^3$]
Used in
$\nu_{w}$
$\mathrm{Pr}_w$
Choices
Water0.01°C5°C10°C15°C20°C25°C30°C
Seawater0.001890.001610.001410.0012210.001090.000970.00087
Fresh water0.00179140.0013060.00100160.000890.0007972