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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:

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

Additional recommended knowledge

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Where: $μ 0$ , $λ$ 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.

References

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

Carreau fluid

Additional recommended knowledge

How to ensure accurate weighing results every day?

Recognize and detect the effects of electrostatic charges on your balance

Weighing the right way

References

See also

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