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Gravity wave turbulence in wave tanks : space and time statistics

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Lukaschuk, Sergei, Nazarenko, Sergey, McLelland, S. J. (Stuart J.) and Denissenko, Petr (2009) Gravity wave turbulence in wave tanks : space and time statistics. Physical Review Letters, Vol.103 (No.4). Article no. 044501. doi:10.1103/PhysRevLett.103.044501

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Official URL: http://dx.doi.org/10.1103/PhysRevLett.103.044501

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Abstract

We present the first simultaneous space-time measurements for gravity wave turbulence in a large
laboratory flume.We found that the slopes of k and ! wave spectra depend on wave intensity. This cannot
be explained by any existing theory considering wave turbulence as the result of either breaking events or
weakly nonlinear wave interactions. Instead, we show that random waves and breaking or coherent
structures appear to coexist: The former show themselves in a quasi-Gaussian core of the probability
density function and in the low-order structure functions, and the latter in the probability density function
tails and the high-order structure functions.

Item Type: Journal Article
Subjects: Q Science > QA Mathematics
Q Science > QC Physics
T Technology > TC Hydraulic engineering. Ocean engineering
Divisions: Faculty of Science > Engineering
Faculty of Science > Mathematics
Library of Congress Subject Headings (LCSH): Hydrodynamics, Gravity waves, Flumes -- Models, Fluid mechanics, Turbulence
Journal or Publication Title: Physical Review Letters
Publisher: American Physical Society
ISSN: 0031-9007
Official Date: 24 July 2009
Dates:
DateEvent
24 July 2009Published
Volume: Vol.103
Number: No.4
Number of Pages: 4
Page Range: Article no. 044501
DOI: 10.1103/PhysRevLett.103.044501
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Funder: Engineering and Physical Sciences Research Council (EPSRC), Hull Environmental Research Institute (HERI)

Data sourced from Thomson Reuters' Web of Knowledge

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