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  2. Shear thinning - Wikipedia

    en.wikipedia.org/wiki/Shear_thinning

    Ketchup is a shear-thinning material, viscous when at rest, but flowing at speed when agitated by squeezing, shaking, or striking the bottle. [11] Whipped cream is also a shear-thinning material. [6] When whipped cream is sprayed out of its canister, it flows out smoothly from the nozzle due to the low viscosity at high flow rate.

  3. Non-Newtonian fluid - Wikipedia

    en.wikipedia.org/wiki/Non-Newtonian_fluid

    Note that all thixotropic fluids are extremely shear thinning, but they are significantly time dependent, whereas the colloidal "shear thinning" fluids respond instantaneously to changes in shear rate. Thus, to avoid confusion, the latter classification is more clearly termed pseudoplastic. Another example of a shear thinning fluid is blood.

  4. Hair-cutting shears - Wikipedia

    en.wikipedia.org/wiki/Hair-cutting_shears

    Hair-cutting shears. Hair-cutting shears are scissors that are specifically designed for cutting hair. They are also known as barber shears, hairdressing shears, or hair shears. They range in size from about 5 to 7 inches (13 to 18 cm) long [1] and commonly have an appendage, known as a finger brace or tang, attached to one of the finger rings.

  5. Scissors - Wikipedia

    en.wikipedia.org/wiki/Scissors

    The noun scissors is treated as a plural noun, and therefore takes a plural verb (e.g., these scissors are). [1] Alternatively, the tool is referred to by the singular phrase a pair of scissors. [2] The word shears is used to describe similar instruments that are larger in size and for heavier cutting. [3]

  6. Thixotropy - Wikipedia

    en.wikipedia.org/wiki/Thixotropy

    Thixotropy is a time-dependent shear thinning property. Certain gels or fluids that are thick or viscous under static conditions will flow (become thinner, less viscous) over time when shaken, agitated, shear-stressed, or otherwise stressed (time-dependent viscosity). They then take a fixed time to return to a more viscous state. [1]

  7. Dilatant - Wikipedia

    en.wikipedia.org/wiki/Dilatant

    Plot of shear rate as a function of the shear stress. Dilatants in green. A dilatant (/ d aɪ ˈ l eɪ t ə n t /, / d ɪ-/) (also termed shear thickening [1]) material is one in which viscosity increases with the rate of shear strain. Such a shear thickening fluid, also known by the initialism STF, is an example of a non-Newtonian fluid.

  8. Herschel–Bulkley fluid - Wikipedia

    en.wikipedia.org/wiki/Herschel–Bulkley_fluid

    The consistency is a simple constant of proportionality, while the flow index measures the degree to which the fluid is shear-thinning or shear-thickening. Ordinary paint is one example of a shear-thinning fluid, while oobleck provides one realization of a shear-thickening fluid. Finally, the yield stress quantifies the amount of stress that ...

  9. Viscosity - Wikipedia

    en.wikipedia.org/wiki/Viscosity

    [21] [22] Shear-thinning liquids are very commonly, but misleadingly, described as thixotropic. [23] Viscosity may also depend on the fluid's physical state (temperature and pressure) and other, external, factors. For gases and other compressible fluids, it depends on temperature and varies very slowly with pressure. The viscosity of some ...