Fibre-induced drag reduction

We use direct numerical simulation to study turbulent drag reduction by rigid polymer additives, referred to as fibres. The simulations agree with experimental data from the literature in terms of friction factor dependence on Reynolds number and fibre concentration. An expression for drag reduction...

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Bibliographic Details
Published inJournal of fluid mechanics Vol. 602; pp. 209 - 218
Main Authors GILLISSEN, J. J. J., BOERSMA, B. J., MORTENSEN, P. H., ANDERSSON, H. I.
Format Journal Article
LanguageEnglish
Published Cambridge, UK Cambridge University Press 10.05.2008
Subjects
Exact sciences and technology
Fibers
Flows in ducts, channels, nozzles, and conduits
Fluid dynamics
Fluid mechanics
Fundamental areas of phenomenology (including applications)
Physics
Polymers
Reynolds number
Simulation
Turbulence
Turbulence control
Turbulent flows, convection, and heat transfer
Additives
Turbulent flow
Pipe flow
Drag reduction
Digital simulation
Modelling
Velocity distribution
Fibers
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Summary:We use direct numerical simulation to study turbulent drag reduction by rigid polymer additives, referred to as fibres. The simulations agree with experimental data from the literature in terms of friction factor dependence on Reynolds number and fibre concentration. An expression for drag reduction is derived by adopting the concept of the elastic layer.
Bibliography:PII:S0022112008000967
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ObjectType-Article-2
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content type line 23
ISSN:0022-1120
1469-7645
DOI:10.1017/S0022112008000967