Modulation instability and capillary wave turbulence
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Xia, Hua; Shats, Michael; Punzmann, Horst
Description
Formation of turbulence of capillary waves is studied in laboratory experiments. The spectra show multiple exponentially decreasing harmonics of the parametrically excited wave which nonlinearly broaden with the increase in forcing. Spectral broadening leads to the development of the spectral continuum which scales as ∝ f-2.8, in agreement with the weak turbulence theory (WTT). Modulation instability of capillary waves is shown to be responsible for the transition from discrete to broadband...[Show more]
dc.contributor.author | Xia, Hua | |
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dc.contributor.author | Shats, Michael | |
dc.contributor.author | Punzmann, Horst | |
dc.date.accessioned | 2015-12-07T22:41:45Z | |
dc.identifier.issn | 0295-5075 | |
dc.identifier.uri | http://hdl.handle.net/1885/24461 | |
dc.description.abstract | Formation of turbulence of capillary waves is studied in laboratory experiments. The spectra show multiple exponentially decreasing harmonics of the parametrically excited wave which nonlinearly broaden with the increase in forcing. Spectral broadening leads to the development of the spectral continuum which scales as ∝ f-2.8, in agreement with the weak turbulence theory (WTT). Modulation instability of capillary waves is shown to be responsible for the transition from discrete to broadband spectrum. The instability leads to spectral broadening of the harmonics, randomization of their phases, it isolates the wave field from the wall, eventually allows the transition from 4- to 3-wave interactions as the dominant nonlinear process, thus creating the prerequisites assumed in WTT. | |
dc.publisher | Les Editions de Physique | |
dc.source | Europhysics Letters | |
dc.title | Modulation instability and capillary wave turbulence | |
dc.type | Journal article | |
local.description.notes | Imported from ARIES | |
local.identifier.citationvolume | 91 | |
dc.date.issued | 2010 | |
local.identifier.absfor | 020303 - Fluid Physics | |
local.identifier.ariespublication | u4735977xPUB32 | |
local.type.status | Published Version | |
local.contributor.affiliation | Xia, Hua, College of Physical and Mathematical Sciences, ANU | |
local.contributor.affiliation | Shats, Michael, College of Physical and Mathematical Sciences, ANU | |
local.contributor.affiliation | Punzmann, Horst, College of Physical and Mathematical Sciences, ANU | |
local.description.embargo | 2037-12-31 | |
local.bibliographicCitation.startpage | 14002 | |
local.identifier.doi | 10.1209/0295-5075/91/14002 | |
local.identifier.absseo | 970102 - Expanding Knowledge in the Physical Sciences | |
dc.date.updated | 2015-12-07T11:04:19Z | |
local.identifier.scopusID | 2-s2.0-78751643434 | |
local.identifier.thomsonID | 000282188800007 | |
Collections | ANU Research Publications |
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