Our experiments examine the interaction between two coaxially aligned helical vortex systems induced by two counter-rotating propellers of slightly different diameters operating in a water tunnel. Visualizations show that the two helix structures merge and breakup in the regions of closest distance and strongest vorticity. A reconnection process follows, resulting in the formation of isolated vortex rings advected by the accelerated flow of the propeller system.
Unraveling the interplay of two counter-rotating helical vortices
Alessandro Capone;Francisco Alves Pereira
2020
Abstract
Our experiments examine the interaction between two coaxially aligned helical vortex systems induced by two counter-rotating propellers of slightly different diameters operating in a water tunnel. Visualizations show that the two helix structures merge and breakup in the regions of closest distance and strongest vorticity. A reconnection process follows, resulting in the formation of isolated vortex rings advected by the accelerated flow of the propeller system.File in questo prodotto:
| File | Dimensione | Formato | |
|---|---|---|---|
|
prod_436759-doc_156378.pdf
accesso aperto
Descrizione: Unraveling the interplay of two counter-rotating helical vortices
Tipologia:
Versione Editoriale (PDF)
Licenza:
Creative commons
Dimensione
1.19 MB
Formato
Adobe PDF
|
1.19 MB | Adobe PDF | Visualizza/Apri |
I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
