![]() Water viscosity as a function of temperature. However, The increase of the absolute viscosity with the temperature is enough to overcome the increase of density and thus, the kinematic viscosity also increase with the temperature for many materials.įig. Common symbols for these variables are for dynamic. The higher the viscosity, the thicker (less. ![]() For dry air at 0☌, the kinematic viscosity is about 1.46×10 -5 m 2 s -1. The dynamic viscosity ( eta) is a measure of the viscosity of a fluid (fluid: liquid, flowing substance). The kinematic viscosity of most gases increases with increasing temperature and decreasing pressure. \] The gas density decreases with the temperature. A coefficient defined as the ratio of the dynamic viscosity of a fluid to its density.
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