Components of mean streaming flow in a precessing cylinder at small nutation angles

T. Albrecht, H.M. Blackburn, J.M. Lopez, R. Manasseh, P. Meunier

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Mean streaming is often observed in precessing cylinder flows, yet the exact mechanism of its creation remains obscure. By Reynolds-decomposition of the Navier–Stokes equation for a rotating frame of reference, we identify two forcing terms which, when applied to an axisymmetric simulation, generate a streaming flow identical to that obtained from a full three-dimensional simulation. These
terms are (i), the usual Reynolds-stress term, and (ii), a term originating from the Coriolis term. The latter accounts for most of the energy of the streaming flow at small nutation angles.
Original languageEnglish
Title of host publicationContributions to the Foundations of Multidisciplinary Research in Mechanics
Subtitle of host publicationPapers presented during the 24th International Congress of Theoretical and Applied Mechanics ICTAM2016, Montreal 22-26, 2016
EditorsJ.M. Floryan
PublisherInternational Union of Theoretical and Applied Mechanics
Number of pages2
ISBN (Electronic)9780660054599
Publication statusPublished - 1 Aug 2016
EventInternational Congress of Theoretical and Applied Mechanics 2016 - Montreal, Canada
Duration: 21 Aug 201626 Aug 2016
Conference number: 24th


ConferenceInternational Congress of Theoretical and Applied Mechanics 2016
Abbreviated titleICTAM 2016

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