Viscosity of Non-Newtonian Fluid
How do we determine the viscosity of a sand-water solution?
I'm working with a non-newtonian fluid (the sand-water solution) and I
want to measure its viscosity. What kind of viscometer should I use?
This is not an easy question to answer simply. As you imply the
non-newtonian nature of sand/water mixtures means that the shear rate [rate
of flow] depends on the shear stress [ force gradient in some complex way.
There are a number of commercial instruments for doing this but they are all
very complicated, expensive, and don't measure the same "thing" about the
You might get some leads from manufacturers: Brookfield Inc. and Haake Inc.
come to mind but it is a tough problem.
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Update: June 2012