Defects and drift of structures in parametrically excited capillary ripples

Defects and drift of structures in parametrically excited capillary ripples

The onset of defects is experimentally studied in a system of capillary waves parametrically excited in a thin layer of liquid with different bottom topography. It is shown that the onset of defects occurs through the excitation of bounded wave-field regions corresponding to the areas with higher de...

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Veröffentlicht in:Radiophysics and quantum electronics 1998-12, Vol.41 (12), p.1042-1045
1. Verfasser: Kiyashko, S V
Format: Artikel
Sprache:eng
Schlagworte:
Capillary waves
Decay
Defects
Drift
Excitation
Liquids
Ripples
Thin films
Topography
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Zusammenfassung:The onset of defects is experimentally studied in a system of capillary waves parametrically excited in a thin layer of liquid with different bottom topography. It is shown that the onset of defects occurs through the excitation of bounded wave-field regions corresponding to the areas with higher depths. The drift of defects and structures is associated with the near-bottom mass flow generated by rapidly decaying surface waves.[PUBLICATION ABSTRACT]
ISSN:0033-8443
1573-9120
DOI:10.1007/BF02676499