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    Analysis of Fine-Grained Sediment Movement in Small Canals

    Source: Journal of Hydraulic Engineering:;1997:;Volume ( 123 ):;issue: 003
    Author:
    Panagiotis D. Scarlatos
    ,
    Lin Li
    DOI: 10.1061/(ASCE)0733-9429(1997)123:3(200)
    Publisher: American Society of Civil Engineers
    Abstract: A one-dimensional mathematical model is presented for quantification of fine-grained sediment movement in small canals. The model is based on the time-dependent, advection-dispersion equation. The model simulates the effects of deposition and erosion through appropriate sink and source terms. The rate of deposition is treated by a linear relation, and the rate of erosion is represented by an exponential function. Selective settling and consolidation effects are incorporated through the depositional and erosional terms. The governing equation is solved by a finite integral transformation that reduces the original PDE into a Sturm-Liouville ODE. Closed-form solutions are given in terms of eigenseries for various boundary and initial conditions. Depending on the situation, the eigenfunctions and eigenvalues are obtained either analytically or estimated by using the Kramers-Wentzel-Brillouin (KWB) approximation. Comparison of the simulated results with experimental data has shown good agreement.
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      Analysis of Fine-Grained Sediment Movement in Small Canals

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    http://yetl.yabesh.ir/yetl1/handle/yetl/24411
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    contributor authorPanagiotis D. Scarlatos
    contributor authorLin Li
    date accessioned2017-05-08T20:42:46Z
    date available2017-05-08T20:42:46Z
    date copyrightMarch 1997
    date issued1997
    identifier other%28asce%290733-9429%281997%29123%3A3%28200%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/24411
    description abstractA one-dimensional mathematical model is presented for quantification of fine-grained sediment movement in small canals. The model is based on the time-dependent, advection-dispersion equation. The model simulates the effects of deposition and erosion through appropriate sink and source terms. The rate of deposition is treated by a linear relation, and the rate of erosion is represented by an exponential function. Selective settling and consolidation effects are incorporated through the depositional and erosional terms. The governing equation is solved by a finite integral transformation that reduces the original PDE into a Sturm-Liouville ODE. Closed-form solutions are given in terms of eigenseries for various boundary and initial conditions. Depending on the situation, the eigenfunctions and eigenvalues are obtained either analytically or estimated by using the Kramers-Wentzel-Brillouin (KWB) approximation. Comparison of the simulated results with experimental data has shown good agreement.
    publisherAmerican Society of Civil Engineers
    titleAnalysis of Fine-Grained Sediment Movement in Small Canals
    typeJournal Paper
    journal volume123
    journal issue3
    journal titleJournal of Hydraulic Engineering
    identifier doi10.1061/(ASCE)0733-9429(1997)123:3(200)
    treeJournal of Hydraulic Engineering:;1997:;Volume ( 123 ):;issue: 003
    contenttypeFulltext
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