Journal
PHYSICS OF FLUIDS
Volume 21, Issue 9, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3231834
Keywords
sedimentation; stratified flow; suspensions
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Funding
- CONACyT
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We have tested in experiments and simulations whether stratification can control velocity fluctuations in suspensions of sedimenting spheres. The initial value and early decay of the velocity fluctuations are not affected by stratification. On the other hand, in the descending front where the stratification is strong and well defined, the velocity fluctuations are inhibited according to a previously proposed scaling. In between, after the initial decay and before the arrival of the front, the local value of the stratification does not always play a role.
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