Technical Papers
Dec 23, 2017

Entropy for Determination of Suspended Sediment Concentration: Parameter Related to Granulometry

Publication: Journal of Environmental Engineering
Volume 144, Issue 3

Abstract

Because of the relation between water quality and sediment quantity, the quantification of sediments in rivers and open channels is of utmost importance. This paper applies the theory of entropy to determine sediment concentration. A major limitation in applying the theory of entropy is the large number of parameters used in the model. To solve the equations, several parameters must be modeled. To reduce empiricism, it is important to know the behavior of the model parameters regarding the factors that could influence sediment concentration. Therefore this paper finds the existing relation of the parameter Ƨ with the granulometry and flow depth. Functions are presented according to the particle diameter. The results are satisfactory for different particle sizes and concentrations. This paper obtains smaller errors than other works. This technique is promising because it allows sample reduction to determine sediment concentration and can be performed in different flow conditions.

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Go to Journal of Environmental Engineering
Journal of Environmental Engineering
Volume 144Issue 3March 2018

History

Received: Dec 9, 2016
Accepted: Aug 16, 2017
Published online: Dec 23, 2017
Published in print: Mar 1, 2018
Discussion open until: May 23, 2018

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Authors

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Patricia Diniz Martins, Ph.D. [email protected]
Professor of Engineering, Dept. of Environmental Engineering, Universidade Federal do Triângulo Mineiro, Instituto de Ciências Exatas e Tecnológicas, Avenida Dr. Randolfo Borges Junior, no 1.250, CEP 38064-200, Uberaba, Minas Gerais, Brazil (corresponding author). E-mail: [email protected]
Cristiano Poleto, Ph.D. [email protected]
Professor of Engineering, Dept. of Hydrology and Hydromechanics, Universidade Federal do Rio Grande do Sul, Caixa Postal 15029, Av. Bento Gonçalves, 9500, 91501-970, Porto Alegre, RS, Brazil. E-mail: [email protected]

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