Polymer-turbulence interactions in a complex flow and implications for the drag reduction phenomenon

Polymer-turbulence interactions in a complex flow and implications for the drag reduction phenomenon

We present direct numerical simulation data for turbulent duct flow of a finite-extensibility non-linear elastic dumbbell model with the Peterlin approximation (FENE-P) fluid in the high drag reduction regime. While the secondary flow pattern is qualitatively similar to that in a Newtonian fluid, it...

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Bibliographic Details
Main Authors: Lin, C.-A (Author), Lin, C.-Y (Author), Owolabi, B.E (Author)
Format: Article
Language:English
Published: American Institute of Physics Inc. 2022
Subjects:
Anisotropy
Complex flow
Direct numerical simulations datum
Drag reduction
Duct flow
Dumbbell model
Finite extensibility
Flow patterns
Kinetic energy
Kinetics
Linear elastic
Newtonian liquids
Non linear
Peterlin approximation
Polymer stretching
Reynolds number
Tensors
Turbulence interactions
Turbulent flow
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