Experimental Observation Of Turbulent Structures In A Straight Flume

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Abstract

Experimental and theoretical studies of the structure of turbulence in open-channel flows have shown that the dynamics of the wall layer turbulence is dominated by the formation and growth of turbulent structures which evolve periodically as part of the so-called bursting phenomena. In the present paper experimental results obtained in a straight flume for different roughness conditions of the channel walls are described. The occurrence of turbulent events is verified by applying the conditioned quadrant analysis. The information about the spatial and temporal scales of the events is obtained through the space-time correlations of the conditioned data.
Original languageEnglish
Pages332-339
Number of pages8
Publication statusPublished - 2010

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All Science Journal Classification (ASJC) codes

  • Software
  • Environmental Engineering
  • Modelling and Simulation

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