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Experiments in Fluids
Erschienen in: Experiments in Fluids 1/2013

01.01.2013 | Research Article

3D Velocimetry and droplet sizing in the Ranque–Hilsch vortex tube

verfasst von: R. Liew, J. C. H. Zeegers, J. G. M. Kuerten, W. R. Michałek

Erschienen in: Experiments in Fluids | Ausgabe 1/2013

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Abstract

The Ranque–Hilsch vortex tube (RHVT) is a device currently used to generate local cooling. In general, the fluid that is injected into the RHVT is a single-phase gas. In this study, however, we have added a dispersed phase (water droplets) to the gas (nitrogen). By means of phase Doppler particle analysis, three velocity components, their higher order moments, and sizes of droplets were measured, showing high intensity velocity fluctuations in the core region of the main vortex. The frequency spectrum of the velocity is presented and reveals that wobbling of the vortex axis is the cause of the high intensity fluctuations. The wobbling motion reduces the influence of the droplet size on the radial droplet velocity.
Nächster Artikel Generation of polygonal gas interfaces by soap film for Richtmyer–Meshkov instability study

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Metadaten
Titel
3D Velocimetry and droplet sizing in the Ranque–Hilsch vortex tube
verfasst von
R. Liew
J. C. H. Zeegers
J. G. M. Kuerten
W. R. Michałek
Publikationsdatum
01.01.2013
Verlag
Springer-Verlag
Erschienen in
Experiments in Fluids / Ausgabe 1/2013
Print ISSN: 0723-4864
Elektronische ISSN: 1432-1114
DOI
https://doi.org/10.1007/s00348-012-1416-z

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