Analysis of the vertical profile of concentration in sediment-laden flows

Qing Quan Liu; An Ping Shu; Vijay P. Singh

doi:10.1061/(ASCE)0733-9399(2007)133:6(601)

Analysis of the vertical profile of concentration in sediment-laden flows

Qing Quan Liu^*, An Ping Shu, Vijay P. Singh

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

From a theoretical investigation of the sediment concentration distribution in sediment-laden flows, a relationship between the profile of sediment concentration and the intensity of vertical fluctuation of particles was established and indirectly verified using experimental data obtained in a vertical rectangular duct flow. It is shown that sediment suspension and the profile of sediment concentration are significantly influenced by the particle fluctuation. This leads to a new explanation for the mechanism of two patterns of sediment concentration profiles.

Original language	English
Pages (from-to)	601-607
Number of pages	7
Journal	Journal of Engineering Mechanics - ASCE
Volume	133
Issue number	6
DOIs	https://doi.org/10.1061/(ASCE)0733-9399(2007)133:6(601)
Publication status	Published - Jun 2007
Externally published	Yes

Keywords

Sediment concentration
Sediment transport
Turbulent diffusion

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10.1061/(ASCE)0733-9399(2007)133:6(601)

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AB - From a theoretical investigation of the sediment concentration distribution in sediment-laden flows, a relationship between the profile of sediment concentration and the intensity of vertical fluctuation of particles was established and indirectly verified using experimental data obtained in a vertical rectangular duct flow. It is shown that sediment suspension and the profile of sediment concentration are significantly influenced by the particle fluctuation. This leads to a new explanation for the mechanism of two patterns of sediment concentration profiles.

KW - Sediment concentration

KW - Sediment transport

KW - Turbulent diffusion

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Analysis of the vertical profile of concentration in sediment-laden flows

Abstract

Keywords

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