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Carreau fluid

Carreau fluid is a type of generalized Newtonian fluid where viscosity, \mu_{\operatorname{eff}}, depends upon the shear rate, \dot \gamma, by the following equation:

\mu_{\operatorname{eff}}(\dot \gamma) = \mu_0 \left(1+\left(\lambda \dot \gamma\right) ^2 \right) ^ {\frac {n-1} {2}}

Where: μ0, λ and n are material coefficients.

At low shear rate (\dot \gamma \ll 1/\lambda) Carreau fluid behaves as a Newtonian fluid and at high shear rate (\dot \gamma \gg 1/\lambda) as a power-law fluid.

The model was first proposed by Pierre Carreau.


  • Kennedy, P. K., Flow Analysis of Injection Molds. New York. Hanser. ISBN 1569901813

See also

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