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Novel Power Law of Turbulent Spectrum

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DOI: 10.4236/ojfd.2014.42013    4,897 Downloads   9,678 Views   Citations

ABSTRACT

This paper is concerned with novel power law of turbulent energy spectrum and the relevant experiment in tidal current. The power law in the inertial sub-range has been proposed in such a way that the power of the one-dimensional turbulent energy spectrum varies from 0 to -2 approximately, but it is accompanying the small oscillation with increasing the wave number. The well-known Kolmogorov -5/3 power law is merely one facet, to appear within the present proposed novel power law. The turbulent energy spectra (Su, Sv, Sw) in x-, y-and z-directions, respectively oscillate with the wave number. It is found that the turbulent in the tidal currents is three dimensional, and the intermittence of momentum transport is a predominant and characteristic feature in tidal current.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

Osonphasop, C. and Nakagawa, T. (2014) Novel Power Law of Turbulent Spectrum. Open Journal of Fluid Dynamics, 4, 140-153. doi: 10.4236/ojfd.2014.42013.

References

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