Browsing by Author "Nakagawa, Takeo R. M."
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Item Novel Power Law of Turbulent Spectrum(Scientific Research, 2014-06) Osonphasop, Chusak; Nakagawa, Takeo R. M.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.