Article Dans Une Revue EPL - Europhysics Letters Année : 2021

Experimental quasi-1D capillary-wave turbulence

Résumé

Wave turbulence in quasi-1D geometry is usually not investigated experimentally since low-order resonant wave interactions are theoretically prohibited. Here, we report on the first observation of unidirectional capillary-wave turbulence on the surface of a fluid in a canal. We also show that five-wave interactions are the lowest-order resonant process subsisting at small scales, and are thus probably the one generating such quasi-1D capillary wave turbulence. We show that the wave spectrum is compatible with the corresponding dimensional analysis prediction. The main assumptions of weak turbulence theory are also verified experimentally. Quasi-1D wave turbulence could be thus highlighted in other fields of wave turbulence.

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hal-03347434 , version 1 (17-09-2021)

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Guillaume Ricard, Éric Falcon. Experimental quasi-1D capillary-wave turbulence. EPL - Europhysics Letters, 2021, 135 (6), pp.64001. ⟨10.1209/0295-5075/ac2751⟩. ⟨hal-03347434⟩
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