Turbulence modulation and drag reduction by spherical particles

Journal article (2010)
Department
Multi-Scale Physics (AS) (TU Delft)
Copyright: © 2010 The Author(s); American Institute of Physics
DOI: https://doi.org/doi:10.1063/1.3478308
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Published Date

16-08-2010

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Source:

Physics of Fluids, 22 (8), 2010

Faculty

Applied Sciences

Department

Multi-Scale Physics

Abstract

This letter reports on the pronounced turbulence modulations and the accompanying drag reduction observed in a two-way coupled simulation of particle-laden channel flow. The present results support the view that drag reduction can be achieved not only by means of polymeric or fiber additives but also with spherical particles.