19 Facts About Kinematic viscosity

In general, Kinematic viscosity depends on a fluid's state, such as its temperature, pressure, and rate of deformation.

Zero Kinematic viscosity is observed only at very low temperatures in superfluids; otherwise, the second law of thermodynamics requires all fluids to have positive Kinematic viscosity.

Use of the Greek letter mu for the dynamic Kinematic viscosity is common among mechanical and chemical engineers, as well as mathematicians and physicists.

Bulk Kinematic viscosity expresses a type of internal friction that resists the shearless compression or expansion of a fluid.

In particular, for Newtonian fluids near equilibrium and far from boundaries, the Kinematic viscosity depends only space- and time-dependent macroscopic fields defining local equilibrium.

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Therefore, precision measurements of Kinematic viscosity are only definedwith respect to a specific fluid state.

Newton's law of Kinematic viscosity is not a fundamental law of nature, but rather a constitutive equation which serves to define the Kinematic viscosity.

The extensional Kinematic viscosity is a linear combination of the shear and bulk viscosities that describes the reaction of a solid elastic material to elongation.

The Kinematic viscosity is reported in Krebs units, which are unique to Stormer viscometers.

Extensional Kinematic viscosity can be measured with various rheometers that apply extensional stress.

Apparent Kinematic viscosity is a calculation derived from tests performed on drilling fluid used in oil or gas well development.

NanoKinematic viscosity can be measured by fluorescence correlation spectroscopy.

SI unit of dynamic Kinematic viscosity is the newton-second per square meter, frequently expressed in the equivalent forms pascal-second, kilogram per meter per second and Poiseuilli .

Kinematic viscosity has units of square feet per second in both the BG and EE systems.

Reciprocal of Kinematic viscosity is fluidity, usually symbolized by or, depending on the convention used, measured in reciprocal poise, sometimes called the rhe.

At one time the petroleum industry relied on measuring kinematic viscosity by means of the Saybolt viscometer, and expressing kinematic viscosity in units of Saybolt universal seconds .

Foregoing simplicity in favor of precision, it is possible to write rigorous expressions for Kinematic viscosity starting from the fundamental equations of motion for molecules.

Where is the Kinematic viscosity of the solvent, is the concentration, and is a positive constant which depends on both solvent and solute properties.

Two-exponential equation for the Kinematic viscosity can be derived within the Dyre shoving model of supercooled liquids, where the Arrhenius energy barrier is identified with the high-frequency shear modulus times a characteristic shoving volume.