Particle Technology

hindered systems - rheology

Problems 6.9

Question 4.1
In laminar flow of Newtonian fluids pressure drop and flow rate are proportional – see how this suspension shear thins?

shear rate (s-1): 7.2 16 64 320 720
shear stress (Pa): 7.0 9.1 14.3 24.2 31.6

Batch settling curve

The flow index is:

a) 0.127
b) 0.327
c) 0.527
d) 0.727

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