Stretching of polymers in a random three-dimensional flow
classification
🌊 nlin.CD
cond-mat.softphysics.flu-dyn
keywords
flowpolymerrandomshearthree-dimensionalaveragebehaviorcontribution
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Behavior of a dilute polymer solution in a random three-dimensional flow with an average shear is studied experimentally. Polymer contribution to the shear stress is found to be more than two orders of magnitude higher than in a laminar shear flow. The results indicate that the polymer molecules get strongly stretched by the random motion of the fluid.
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