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  2. List of viscosities - Wikipedia

    en.wikipedia.org/wiki/List_of_viscosities

    Of all fluids, gases have the lowest viscosities, and thick liquids have the highest. The values listed in this article are representative estimates only, as they do not account for measurement uncertainties, variability in material definitions, or non-Newtonian behavior. Kinematic viscosity is dynamic viscosity divided by fluid density.

  3. Viscosity models for mixtures - Wikipedia

    en.wikipedia.org/wiki/Viscosity_models_for_mixtures

    In a fluid mixture like a petroleum gas or oil there are lots of molecule types, and within this mixture there are families of molecule types (i.e. groups of fluid components). The simplest group is the n-alkanes which are long chains of CH 2-elements. The more CH 2-elements, or carbon atoms, the longer molecule. Critical viscosity and critical ...

  4. Dimensionless numbers in fluid mechanics - Wikipedia

    en.wikipedia.org/wiki/Dimensionless_numbers_in...

    Dimensionless numbers (or characteristic numbers) have an important role in analyzing the behavior of fluids and their flow as well as in other transport phenomena. [1] They include the Reynolds and the Mach numbers, which describe as ratios the relative magnitude of fluid and physical system characteristics, such as density, viscosity, speed of sound, and flow speed.

  5. Density - Wikipedia

    en.wikipedia.org/wiki/Density

    Video: Density Experiment with Oil and Alcohol; Video: Density Experiment with Whiskey and Water; Glass Density Calculation – Calculation of the density of glass at room temperature and of glass melts at 1000 – 1400°C; List of Elements of the Periodic Table – Sorted by Density; Calculation of saturated liquid densities for some components

  6. Volume viscosity - Wikipedia

    en.wikipedia.org/wiki/Volume_viscosity

    [2] Knowledge of the volume viscosity is important for understanding a variety of fluid phenomena, including sound attenuation in polyatomic gases (e.g. Stokes's law), propagation of shock waves, and dynamics of liquids containing gas bubbles. In many fluid dynamics problems, however, its effect can be neglected.

  7. Heavy liquid - Wikipedia

    en.wikipedia.org/wiki/Heavy_liquid

    A heavy liquid is a solution or liquid chemical substance with a high density and a relatively low viscosity. Heavy liquids are often used for determination of density in mineralogy, for density gradient centrifugation and for separating mixtures. A bottle of bromoform, a heavy liquid

  8. Flow conditions - Wikipedia

    en.wikipedia.org/wiki/Flow_conditions

    In fluid measurement, the fluid's flow conditions (or flowing conditions) refer to quantities like temperature and static pressure of the metered substance.The flowing conditions are required data in order to calculate the density of the fluid at flowing conditions.

  9. Schmidt number - Wikipedia

    en.wikipedia.org/wiki/Schmidt_number

    The turbulent Schmidt number is commonly used in turbulence research and is defined as: [3] = where: is the eddy viscosity in units of (m 2 /s); is the eddy diffusivity (m 2 /s).; The turbulent Schmidt number describes the ratio between the rates of turbulent transport of momentum and the turbulent transport of mass (or any passive scalar).