Trains of particles in finite-Reynolds-number pipe flow

Trains of particles in finite-Reynolds-number pipe flow

In finite-Reynolds-number pipe flow, we have observed long-lived trains of particles aligned with the flow. These trains are located on the Segré–Silberberg equilibrium position which is an annulus close to the wall at the large Reynolds numbers investigated. The effect seems to be controlled by ine...

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Veröffentlicht in:Physics of fluids (1994) 2004-11, Vol.16 (11), p.4192-4195
Hauptverfasser: Matas, Jean-Philippe, Glezer, Virginie, Guazzelli, Élisabeth, Morris, Jeffrey F.
Format: Artikel
Sprache:eng
Schlagworte:
Engineering Sciences
Fluid mechanics
Fluids mechanics
Mechanics
Physics
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Zusammenfassung:In finite-Reynolds-number pipe flow, we have observed long-lived trains of particles aligned with the flow. These trains are located on the Segré–Silberberg equilibrium position which is an annulus close to the wall at the large Reynolds numbers investigated. The effect seems to be controlled by inertia and more precisely by the particle Reynolds number.
ISSN:1070-6631
1089-7666
DOI:10.1063/1.1791460