[article]
| Titre : |
Control of vortex shedding of circular cylinder in shallow water flow using an attached splitter plate |
| Type de document : |
texte imprimé |
| Auteurs : |
Huseyin Akilli, Auteur ; Cuma Karakus, Auteur ; Atakan Akar, Auteur |
| Année de publication : |
2009 |
| Article en page(s) : |
11 p. |
| Note générale : |
Fluids engineering |
| Langues : |
Anglais (eng) |
| Mots-clés : |
Vortex shedding circular cylinder Reynolds number |
| Résumé : |
In the present work, passive control of vortex shedding behind a circular cylinder by splitter plates of various lengths attached on the cylinder base is experimentally investigated in shallow water flow. Detailed measurements of instantaneous and time-averaged flow data of wake flow region at a Reynolds number of Re=6300 were obtained by particle image velocimetry technique. The length of the splitter plate was varied from L∕D=0.2 to L∕D=2.4 in order to see the effect of the splitter plate length on the flow characteristics. Instantaneous and time-averaged flow data clearly indicate that the length of the splitter plate has a substantial effect on the flow characteristics. The flow characteristics in the wake region of the circular cylinder sharply change up to the splitter plate length of L∕D=1.0. Above this plate length, small changes occur in the flow characteristics. |
| En ligne : |
http://fluidsengineering.asmedigitalcollection.asme.org/Issue.aspx?issueID=27307 [...] |
in Transactions of the ASME . Journal of fluids engineering > Vol. 130 N° 4 (Avril 2008) . - 11 p.
[article] Control of vortex shedding of circular cylinder in shallow water flow using an attached splitter plate [texte imprimé] / Huseyin Akilli, Auteur ; Cuma Karakus, Auteur ; Atakan Akar, Auteur . - 2009 . - 11 p. Fluids engineering Langues : Anglais ( eng) in Transactions of the ASME . Journal of fluids engineering > Vol. 130 N° 4 (Avril 2008) . - 11 p.
| Mots-clés : |
Vortex shedding circular cylinder Reynolds number |
| Résumé : |
In the present work, passive control of vortex shedding behind a circular cylinder by splitter plates of various lengths attached on the cylinder base is experimentally investigated in shallow water flow. Detailed measurements of instantaneous and time-averaged flow data of wake flow region at a Reynolds number of Re=6300 were obtained by particle image velocimetry technique. The length of the splitter plate was varied from L∕D=0.2 to L∕D=2.4 in order to see the effect of the splitter plate length on the flow characteristics. Instantaneous and time-averaged flow data clearly indicate that the length of the splitter plate has a substantial effect on the flow characteristics. The flow characteristics in the wake region of the circular cylinder sharply change up to the splitter plate length of L∕D=1.0. Above this plate length, small changes occur in the flow characteristics. |
| En ligne : |
http://fluidsengineering.asmedigitalcollection.asme.org/Issue.aspx?issueID=27307 [...] |
|
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