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  2. Rheometer - Wikipedia

    en.wikipedia.org/wiki/Rheometer

    Capillary rheometers are especially advantageous for characterization of therapeutic protein solutions since it determines the ability to be syringed. [6] Additionally, there is an inverse relationship between the rheometry and solution stability, as well as thermodynamic interactions. Rotational geometries of different types of shearing rheometers

  3. Capillary breakup rheometry - Wikipedia

    en.wikipedia.org/wiki/Capillary_Breakup_Rheometry

    Capillary breakup rheometry is an experimental technique used to assess the extensional rheological response of low viscous fluids. Unlike most shear and extensional rheometers, this technique does not involve active stretch or measurement of stress or strain but exploits only surface tension to create a uniaxial extensional flow.

  4. Rheometry - Wikipedia

    en.wikipedia.org/wiki/Rheometry

    Rheometry (from Greek ῥέος (rheos) 'stream') generically refers to the experimental techniques used to determine the rheological properties of materials, [1] that is the qualitative and quantitative relationships between stresses and strains and their derivatives.

  5. Balancing of rotating masses - Wikipedia

    en.wikipedia.org/wiki/Balancing_of_rotating_masses

    In the case of a narrow wheel, balancing simply involves moving the center of gravity to the centre of rotation. For a system to be in complete balance both force and couple polygons should be close in order to prevent the effect of centrifugal force. It is important to design the machine parts wisely so that the unbalance is reduced up to the ...

  6. Viscometer - Wikipedia

    en.wikipedia.org/wiki/Viscometer

    For liquids with viscosities which vary with flow conditions, an instrument called a rheometer is used. Thus, a rheometer can be considered as a special type of viscometer. [1] Viscometers can measure only constant viscosity, that is, viscosity that does not change with flow conditions.

  7. Rotating unbalance - Wikipedia

    en.wikipedia.org/wiki/Rotating_unbalance

    A static balance (sometimes called a force balance [2] [3]) occurs when the inertial axis of a rotating mass is displaced from and parallel to the axis of rotation.Static unbalances can occur more frequently in disk-shaped rotors because the thin geometric profile of the disk allows for an uneven distribution of mass with an inertial axis that is nearly parallel to the axis of rotation.

  8. Dynamic shear rheometer - Wikipedia

    en.wikipedia.org/wiki/Dynamic_shear_rheometer

    A dynamic shear rheometer, commonly known as DSR, is used for research and development as well as for quality control in the manufacture of a wide range of materials.. Dynamic shear rheometers have been used since 1993 when Superpave was used for characterising and understanding high temperature rheological properties of asphalt binders in both the molten and solid state and is fundamental in ...

  9. Viscoelasticity - Wikipedia

    en.wikipedia.org/wiki/Viscoelasticity

    Shear rheometers are based on the idea of putting the material to be measured between two plates, one or both of which move in a shear direction to induce stresses and strains in the material. The testing can be done at constant strain rate, stress, or in an oscillatory fashion (a form of dynamic mechanical analysis). [27]