Turbulence modulation and drag reduction by spherical particles | Zendy

Lihao Zhao | Zendy; Helge I. Andersson | Zendy; J. J. J. Gillissen | Zendy

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Turbulence modulation and drag reduction by spherical particles

Author(s) -

Lihao Zhao,

Helge I. Andersson,

J. J. J. Gillissen

Publication year - 2010

Publication title -

physics of fluids

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.188

H-Index - 180

eISSN - 1089-7666

pISSN - 1070-6631

DOI - 10.1063/1.3478308

Subject(s) - drag , physics , turbulence , reduction (mathematics) , mechanics , particle (ecology) , modulation (music) , flow (mathematics) , drag coefficient , parasitic drag , classical mechanics , acoustics , geometry , oceanography , mathematics , geology

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

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