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Nominal viscosity in power law

thread367-15856

Nominal viscosity in power law

Nominal viscosity in power law

(OP)
In ANSYS/FLOTRAN, the nominal viscosity shall be specified in this formulation.

viscosity = VO * K * D **(n-1)

where
 K = consistency index
 D = shear rate or cutoff shear rate
 n = power
 VO = nominal viscosity

In my understanding the nominal viscosity should be 1.0 or less. Anyone who use ANSYS/FLOTRAN, please advise me about the meaning of nominal viscosity.

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