Modeling the process of cohesive sediment settling and flocculation based on CFD–DEM approach
Sign Up to like & getrecommendations! Published in 2019 at "Granular Matter"
DOI: 10.1007/s10035-019-0882-x
Abstract: The settling process of cohesive sediment particles exists universally in nature and many engineering fields. Some of them have negative impacts, e.g., leading to the storage loss of reservoir, prolonging the duration of the reclamation… read more here.
Keywords: process cohesive; flocculation; settling flocculation; cohesive sediment ... See more keywords
A three-dimensional cohesive sediment transport model with data assimilation: Model development, sensitivity analysis and parameter estimation
Sign Up to like & getrecommendations! Published in 2018 at "Estuarine, Coastal and Shelf Science"
DOI: 10.1016/j.ecss.2016.08.027
Abstract: Abstract Based on the theory of inverse problems, a three-dimensional sigma-coordinate cohesive sediment transport model with the adjoint data assimilation is developed. In this model, the physical processes of cohesive sediment transport, including deposition, erosion… read more here.
Keywords: sensitivity; cohesive sediment; model; sediment transport ... See more keywords
Estimating effective density of cohesive sediment using shape factors from holographic images
Sign Up to like & getrecommendations! Published in 2018 at "Estuarine, Coastal and Shelf Science"
DOI: 10.1016/j.ecss.2018.10.008
Abstract: Abstract To reveal the influence of shape factors on the effective density (ρe) of cohesive sediment, a series of laboratory experiments has been conducted under different turbulence intensities using a submersible digital holographic camera (LISST-Holo).… read more here.
Keywords: cohesive sediment; effective density; shape; shape factors ... See more keywords
Factors influencing the removal of fine non-cohesive sediment by vortex settling basin at small river abstraction works
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DOI: 10.1016/j.ijsrc.2020.12.004
Abstract: Abstract Diverted sediment causes a wide range of problems at small diversion works. The difference in water levels between low flows and floods, low investment capital and presence of cohesive sediment and fine non-cohesive sediment… read more here.
Keywords: cohesive sediment; sediment; ratio; vortex settling ... See more keywords
Effects of bioturbation on the erodibility of cohesive versus non-cohesive sediments along a current-velocity gradient: A case study on cockles
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Experimental Marine Biology and Ecology"
DOI: 10.1016/j.jembe.2017.08.002
Abstract: Soft-bottom bioturbators are ecosystem engineers in the sense that they can have considerable effects on sediment erodibility and resuspension. The common cockle Cerastoderma edule is a bioturbating filter feeder that is widespread along the European… read more here.
Keywords: cohesive sediment; erodibility; erosion; non cohesive ... See more keywords
Pier scours in fine-grained non-cohesive sediment and downstream siltation, an experimental approach
Sign Up to like & getrecommendations! Published in 2020 at "Physical Geography"
DOI: 10.1080/02723646.2020.1801372
Abstract: Scour is a natural phenomenon involving the removal of bed sediments by the perturbation of flow field with the erection of hydraulic structures such as guide bank, abutments and bridge piers. Remo... read more here.
Keywords: cohesive sediment; grained non; fine grained; scours fine ... See more keywords
Formulation for Critical Shear Stress of Cohesive Sediment Mixture
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DOI: 10.18520/cs/v113/i11/2105-2111
Abstract: This article describes results of an experimental study on incipient motion of gravel particles present in the cohesive mixtures, i.e. clay–silt–gravel and clay–silt–sand–gravel, in which the percentage of clay varied from 10% to 50% on… read more here.
Keywords: cohesive sediment; sediment mixture; critical shear; shear stress ... See more keywords
A Simple Explicit Expression for the Flocculation Dynamics Modeling of Cohesive Sediment Based on Entropy Considerations
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DOI: 10.3390/e20110845
Abstract: The flocculation of cohesive sediment plays an important role in affecting morphological changes to coastal areas, to dredging operations in navigational canals, to sediment siltation in reservoirs and lakes, and to the variation of water… read more here.
Keywords: explicit expression; cohesive sediment; expression; flocculation ... See more keywords