Kelvin-wave turbulence is directly observed along a classical bathtub-vortex filament, with measured spectra and sixth-order correlations confirming six-wave resonant cascade predictions.
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physics.flu-dyn 2years
2026 2verdicts
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Surface elevation standard deviation scales linearly with subsurface velocity fluctuations, with wavenumber and frequency spectra both showing -2.5 power-law exponents explained by a linear passive-response model to turbulent pressure that predicts -7/3 scaling.
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Experimental evidence of Kelvin wave turbulence along a vortex core
Kelvin-wave turbulence is directly observed along a classical bathtub-vortex filament, with measured spectra and sixth-order correlations confirming six-wave resonant cascade predictions.
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Free-surface deformations induced by three-dimensional turbulence
Surface elevation standard deviation scales linearly with subsurface velocity fluctuations, with wavenumber and frequency spectra both showing -2.5 power-law exponents explained by a linear passive-response model to turbulent pressure that predicts -7/3 scaling.