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Resuspension and Sedimentation of Particles from a Sediment Bed by Turbulent Jets

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Abstract

An experimental study was carried out to investigate the resuspension of heavy particles of a sediment bed by axi-symmetric turbulent jets issuing from below. The case of point jets and loosely-held monodispersed particles was considered, in particular, the cases of a single jet and an array of jets located in the intersection points of a square grid. The aim was to map the flow field and the nature of sediment distribution as a function of governing parameters and to parameterize salient observables such as the maximum height of rise of sediments. The results were extrapolated to study sediment resuspension in karstic lakes, especially lake Banyoles located in Catalonia, northeastern Spain.

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Authors and Affiliations

  1. Department of Environmental Sciences, University of Girona, Campus de Montilivi, 17071, Girona, Spain

    Jordi Colomer & Xavier Casamitjana

  2. Environmental Fluid Dynamics Program, Department of Mechanical and Aerospace Engineering, Arizona State University, Tempe, AZ, 85287-9809, U.S.A.

    Harindra J.S. Fernando

Authors
  1. Jordi Colomer
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  2. Xavier Casamitjana
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  3. Harindra J.S. Fernando
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Colomer, J., Casamitjana, X. & Fernando, H.J. Resuspension and Sedimentation of Particles from a Sediment Bed by Turbulent Jets. Flow, Turbulence and Combustion 59, 229–242 (1997). https://doi.org/10.1023/A:1001187522628

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  • DOI: https://doi.org/10.1023/A:1001187522628

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