Observation of Gravity-Capillary Wave Turbulence
نویسندگان
چکیده
منابع مشابه
Observation of gravity-capillary wave turbulence.
We report the observation of the crossover between gravity and capillary wave turbulence on the surface of mercury. The probability density functions of the turbulent wave height are found to be asymmetric and thus non-Gaussian. The surface wave height displays power-law spectra in both regimes. In the capillary region, the exponent is in fair agreement with weak turbulence theory. In the gravi...
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We report on the observation of freely decaying capillary wave turbulence on the surface of a fluid. The capillary wave turbulence spectrum decay is found to be self-similar in time with the same power law exponent as the one found in the stationary regime, in agreement with weak turbulence predictions. The amplitude of all Fourier modes are found to decrease exponentially with time at the same...
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At the liquid-air interface, if there exist any moving disturbances, like a water-walking insect or just a simple pressure source, it will generate capillary-gravity waves [1-4]. The restoring force in this picture is a combination of the gravity and surface tension. And since the disturbance expends a power to generate these waves, it will experience a drag, known as the wave resistance [5]. S...
متن کاملModulation instability and capillary wave turbulence
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ژورنال
عنوان ژورنال: Physical Review Letters
سال: 2007
ISSN: 0031-9007,1079-7114
DOI: 10.1103/physrevlett.98.094503