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Fibre-induced drag reduction

Published online by Cambridge University Press:  25 April 2008

J. J. J. GILLISSEN ,
B. J. BOERSMA ,
P. H. MORTENSEN  and
H. I. ANDERSSON
J. J. J. GILLISSEN
Affiliation:
Laboratory for Aero and Hydrodynamics, J.M. Burgers Center, Leeghwaterstraat 21, 2628 CA Delft, The Netherlands
B. J. BOERSMA
Affiliation:
Laboratory for Aero and Hydrodynamics, J.M. Burgers Center, Leeghwaterstraat 21, 2628 CA Delft, The Netherlands
P. H. MORTENSEN
Affiliation:
Department of Energy and Process Engineering, Norwegian University of Science and Technology, 7491 Trondheim, Norway
H. I. ANDERSSON
Affiliation:
Department of Energy and Process Engineering, Norwegian University of Science and Technology, 7491 Trondheim, Norway
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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.

Type
Papers
Information
Journal of Fluid Mechanics , Volume 602 , 10 May 2008 , pp. 209 - 218
Copyright
Copyright © Cambridge University Press 2008

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References

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