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Fibre-induced drag reduction

  • J. J. J. GILLISSEN (a1), B. J. BOERSMA (a1), P. H. MORTENSEN (a2) and H. I. ANDERSSON (a2)

Abstract

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.

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