Flow of Clay-Water Suspensions

by Charles D. D. Howard,

Serial Information: Journal of the Hydraulics Division, 1963, Vol. 89, Issue 5, Pg. 89-97

Document Type: Journal Paper

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Previous publications have shown that suspensions of clay particles in water exhibit non-Newtonian rheological behavior. This behavior can extend the laminar flow regime to extremeley high Reynolds numbers in pipeline flow and demonstrates that laminar flow may be encountered in practice in open channels on rather steep slopes. Laminar and turbulent pipeline flow and plug flow of these suspensions are reviewed, and equations for open-channel flow are introduced. Sample calculations are included to demonstrate the degree of divergence from Newtonian behavior. The existence of a fluid yield stress is proven by open-channel observations that are reported in literature.

Subject Headings: Open channel flow | Laminar flow | Pipe flow | Clays | Turbulent flow | Soil properties | Open channels | Pipelines | Publications

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