Imaging of intermittency in ripple-wave turbulence

William B. Wright; R. Budakian; D. J. Pine; S. J. Putterman

doi:10.1126/science.278.5343.1609

Imaging of intermittency in ripple-wave turbulence

William B. Wright, R. Budakian, D. J. Pine, S. J. Putterman

Chemical and Biomolecular Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

The dynamics of a fluid surface filled with high-amplitude ripples were studied with a technique (diffusing light photography) that resolves the height at all locations instantaneously. Even when nonlinearities are strong enough to generate a (Kolmogorov) cascade from long wavelength (where energy is input) to shorter wavelength, the resulting turbulent state contains large coherent spatial structures. The appearance of these structures in a thermal equilibrium state (with the same average energy) would be highly improbable.

Original language	English (US)
Pages (from-to)	1609-1612
Number of pages	4
Journal	Science
Volume	278
Issue number	5343
DOIs	https://doi.org/10.1126/science.278.5343.1609
State	Published - Nov 28 1997

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abstract = "The dynamics of a fluid surface filled with high-amplitude ripples were studied with a technique (diffusing light photography) that resolves the height at all locations instantaneously. Even when nonlinearities are strong enough to generate a (Kolmogorov) cascade from long wavelength (where energy is input) to shorter wavelength, the resulting turbulent state contains large coherent spatial structures. The appearance of these structures in a thermal equilibrium state (with the same average energy) would be highly improbable.",

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AU - Budakian, R.

AU - Pine, D. J.

AU - Putterman, S. J.

PY - 1997/11/28

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AB - The dynamics of a fluid surface filled with high-amplitude ripples were studied with a technique (diffusing light photography) that resolves the height at all locations instantaneously. Even when nonlinearities are strong enough to generate a (Kolmogorov) cascade from long wavelength (where energy is input) to shorter wavelength, the resulting turbulent state contains large coherent spatial structures. The appearance of these structures in a thermal equilibrium state (with the same average energy) would be highly improbable.

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Imaging of intermittency in ripple-wave turbulence

Abstract

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