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Extensional viscosity

Extensional viscosity is a viscosity coefficient when applied stress is extensional stress. [1].

This parameter is often used for characterizing polymer solutions.

Extensional viscosity can be measured using rheometers that apply extensional stress. Acoustic rheometer is one example of such devices.


  1. ^ Barnes, H.A. "A handbook of elementary rheology", Institute of non-Newtonian Fluid Mechanics, 2000

See also

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Extensional_viscosity". A list of authors is available in Wikipedia.
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