First order fluid - Alchetron, The Free Social Encyclopedia

A first-order fluid is another name for a power-law fluid with exponential dependence of viscosity on temperature.

μ e f f ( γ ˙ , T ) = μ 0 γ ˙ n − 1 exp ⁡ ( − b T )

where γ̇ is the shear rate, T is temperature and μ₀, n and b are coefficients.

The model can be re-written as

μ e f f ( γ ˙ , T ) = exp ⁡ ( A 0 + A 1 ln ⁡ γ ˙ + A 2 T )

References

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