Journal
PHYSICAL REVIEW E
Volume 90, Issue 1, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevE.90.013008
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Funding
- ANR [ANR-12-279-BS09-0021-01]
- Region Nord Pas de Calais
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Acoustical and optical vortices have attracted great interest due to their ability to capture and manipulate particles with the use of radiation pressure. Here we show that acoustical vortices can also induce axial vortical flow reminiscent of cyclones, whose topology can be controlled by adjusting the properties of the acoustical beam. In confined geometry, the phase singularity enables generating attractive streaming with the flow directed toward the transducer. This opens perspectives for contactless vortical flow control.
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