Distribution of pollutant in longitudinal direction of open channel flow

Predicting of distribution of pollutant in a rectangular open channel on passive mixing of pollutant in longitudinal direction is reported. A finite numerical difference scheme developed by author was extended to determine longitudinal advection and dispersion of concentration of pollutant into the...

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Main Author: Saeedfar, Soheil
Format: Thesis
Language:English
Published: 2012
Subjects:
Online Access:http://eprints.utm.my/id/eprint/30735/1/SoheilSaeedfarMFKA2012.pdf
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spelling my-utm-ep.307352018-05-27T07:08:16Z Distribution of pollutant in longitudinal direction of open channel flow 2012-01 Saeedfar, Soheil TC Hydraulic engineering. Ocean engineering Predicting of distribution of pollutant in a rectangular open channel on passive mixing of pollutant in longitudinal direction is reported. A finite numerical difference scheme developed by author was extended to determine longitudinal advection and dispersion of concentration of pollutant into the open channel flow. To compute the concentration and depicting the graph versus time, modeling a channel to obtain velocity in small steps of the length of the channel was inevitable. Modeling of the channel is based on Saint-Venant equation as the governing equation. For solving the governing equations, direct numerical method by using partial differential equation into finite difference equations have been considered. In numerical method for the solution of the partial derivative equations, the computations are performed on the x-t grid depending on the length of channel. Explicit scheme for solution is considered. The unknown variables (velocity, depth, and concentration of pollutant) at a future time step t+?tare considered by a number of variables at the previous time steps. The graphs of concentration versus time and discharge versus time were depicted and compared to each other. Also the graphs of concentration with the depicted graph of experimental data were compared. Model results and field data were generally in good agreement. About 70% of the results from numerical method were matched with the data from experimental performance. 2012-01 Thesis http://eprints.utm.my/id/eprint/30735/ http://eprints.utm.my/id/eprint/30735/1/SoheilSaeedfarMFKA2012.pdf application/pdf en public masters Universiti Teknologi Malaysia, Faculty of Civil Engineering Faculty of Civil Engineering
institution Universiti Teknologi Malaysia
collection UTM Institutional Repository
language English
topic TC Hydraulic engineering
Ocean engineering
spellingShingle TC Hydraulic engineering
Ocean engineering
Saeedfar, Soheil
Distribution of pollutant in longitudinal direction of open channel flow
description Predicting of distribution of pollutant in a rectangular open channel on passive mixing of pollutant in longitudinal direction is reported. A finite numerical difference scheme developed by author was extended to determine longitudinal advection and dispersion of concentration of pollutant into the open channel flow. To compute the concentration and depicting the graph versus time, modeling a channel to obtain velocity in small steps of the length of the channel was inevitable. Modeling of the channel is based on Saint-Venant equation as the governing equation. For solving the governing equations, direct numerical method by using partial differential equation into finite difference equations have been considered. In numerical method for the solution of the partial derivative equations, the computations are performed on the x-t grid depending on the length of channel. Explicit scheme for solution is considered. The unknown variables (velocity, depth, and concentration of pollutant) at a future time step t+?tare considered by a number of variables at the previous time steps. The graphs of concentration versus time and discharge versus time were depicted and compared to each other. Also the graphs of concentration with the depicted graph of experimental data were compared. Model results and field data were generally in good agreement. About 70% of the results from numerical method were matched with the data from experimental performance.
format Thesis
qualification_level Master's degree
author Saeedfar, Soheil
author_facet Saeedfar, Soheil
author_sort Saeedfar, Soheil
title Distribution of pollutant in longitudinal direction of open channel flow
title_short Distribution of pollutant in longitudinal direction of open channel flow
title_full Distribution of pollutant in longitudinal direction of open channel flow
title_fullStr Distribution of pollutant in longitudinal direction of open channel flow
title_full_unstemmed Distribution of pollutant in longitudinal direction of open channel flow
title_sort distribution of pollutant in longitudinal direction of open channel flow
granting_institution Universiti Teknologi Malaysia, Faculty of Civil Engineering
granting_department Faculty of Civil Engineering
publishDate 2012
url http://eprints.utm.my/id/eprint/30735/1/SoheilSaeedfarMFKA2012.pdf
_version_ 1747815735597465600