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Experimental characterization of the initial zone of an annular jet with a very large diameter ratio.

Abstract : This article presents an experimental investigation of a large diameter ratio annular air jet by Particle Image Velocimetry (P.I.V.), Laser Doppler Anemometry (L.D.A.), hot wire anemometry and time-resolved tomography. Annular jets consist in a round nozzle with an obstacle placed in its center. These jets are thus defined by an external and an internal diameter corresponding to the round nozzle lips and the diameter of the obstacle respectively. The ratio between these two diameters defines the behavior of the flow across a characteristic diameter called diameter ratio. In most industrial applications these jets have large diameter ratios, superior to 0.7.
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https://hal.archives-ouvertes.fr/hal-00767581
Contributor : Amélie Danlos Connect in order to contact the contributor
Submitted on : Thursday, December 20, 2012 - 9:59:00 AM
Last modification on : Wednesday, February 23, 2022 - 3:38:06 AM
Long-term archiving on: : Thursday, March 21, 2013 - 3:47:30 AM

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Amélie Danlos, Gildas Lalizel, Béatrice Patte-Rouland. Experimental characterization of the initial zone of an annular jet with a very large diameter ratio.. Experiments in Fluids, Springer Verlag (Germany), 2013, pp.10.1007/s00348-012-1418-x. ⟨10.1007/s00348-012-1418-x⟩. ⟨hal-00767581⟩

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