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Viscometric data for heavy cream shows behavior of a pseudo-plastic fluid that can be modeled well by a power-law relationship between shear stress, Tym, and
Viscometric data for heavy cream shows behavior of a pseudo-plastic fluid that can be modeled well by a power-law relationship between shear stress, Tym, and rate of shear, j = dur/dy, at low shear rates. Assume the following data: Shear stress, Tyr (dyn/cm) Shear rate, j = dv2/dy (s-1) 0.1 0.023 1.0 0.75 Use these data to fit a power-law model. Evaluate the parameters m and n of the power model using SI units. Estimate the shear stress that would be expected at a shear rate of 0.1 s-l. Compare the apparent viscosity of cream at this shear rate (0.1 s-1) to that of water(j = 1x10-3 Pa.s)
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