NDLI: Turbulence in the system of capillary waves on the surface of water

Content Provider	Springer Nature Link
Author	Filatov, S. V. Brazhnikov, M. Yu. Levchenko, A. A. Lihter, A. M.
Copyright Year	2016
Abstract	The experimental results of studying wave turbulence in a system of capillary waves on the surface of water in a cylindrical vessel are presented. Waves on the surface are excited by vertical vibrations of the water-filled vessel with accelerations below the parametric-instability threshold at a fixed frequency f $_{ p }$ or in the frequency band from 30 to 50 Hz. The deviation of the surface from equilibrium is recorded by a laser beam reflecting from water. It is shown experimentally that the position of the high-frequency boundary of the inertial range f $_{ b }$ of the turbulent cascade is shifted towards high frequencies with an increase in the pump amplitude А and described by the power function f $_{ b }$ ~ A $^{β}$ with index β equal to 1.2 ± 0.1 for monochromatic pumping and 1.10 ± 0.15 for broadband pumping. The value of the index β for monochromatic pumping is close to the theoretical estimate; for broadband pumping, it is less by a factor of 2.5. In the dissipation region f > f $_{ b }$, the turbulent distribution is damped exponentially with the characteristic frequency f $_{ d }$ depending on the amplitude and spectral characteristic of the excitation force. It follows from the amplitude dependences that the frequency f $_{ d }$ is proportional to the frequency of the boundary of the inertial range f $_{ b }$.
Starting Page	1060
Ending Page	1066
Page Count	7
File Format	PDF
ISSN	10274510
Journal	Journal of Surface Investigation. X-ray, Synchrotron and Neutron Techniques
Volume Number	10
Issue Number	5
e-ISSN	18197094
Language	English
Publisher	Pleiades Publishing
Publisher Date	2016-10-20
Publisher Place	Moscow
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	capillary waves wave turbulence monochromatic and broadband pumping Surfaces and Interfaces, Thin Films
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Surfaces, Coatings and Films

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