A TWO-DIMENSIONAL CURVILINEAR MODEL OF POLLUTANT DISPERSION IN RIVERS

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JAMALI M.M.

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Journal: Sharif Journal of Civil Engineering Year:2006 | Volume:22 | Issue:33 Page(s): 37-43

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Title

A TWO-DIMENSIONAL CURVILINEAR MODEL OF POLLUTANT DISPERSION IN RIVERS

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JAMALI M.M. | Issue Writer Certificate

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Abstract

This paper is concerned with the introduction of PDM2, a 2D curvilinear model of dispersion of pollutants in rivers of variable geometry. The model can handle rivers with variable width, depth and path and is capable of grid generation, input data preparation and the processing of output results. The governing two-dimensional advection-dispersion equation is solved numerically, using a finite difference technique. The numerical scheme used is second order accurate in time and space and is unconditionally stable. Pollutant dispersion is assumed to be unsteady. Considering the present gap of knowledge about the mechanics of mixing in rivers and the uncertainties in the proposed equations for mixing coefficients, the model makes use of a number of simplifying assumptions in order to reduce the amount of input data. These are the assumptions of steady river flow and constant depth across the river. The formulation and structure of the model, along with an illustrative example, are discussed in this paper.

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APA: Copy

JAMALI, M.M.. (2006). A TWO-DIMENSIONAL CURVILINEAR MODEL OF POLLUTANT DISPERSION IN RIVERS. SHARIF: CIVIL ENINEERING, 22(33), 37-43. SID. https://sid.ir/paper/128201/en

Vancouver: Copy

JAMALI M.M.. A TWO-DIMENSIONAL CURVILINEAR MODEL OF POLLUTANT DISPERSION IN RIVERS. SHARIF: CIVIL ENINEERING[Internet]. 2006;22(33):37-43. Available from: https://sid.ir/paper/128201/en

IEEE: Copy

M.M. JAMALI, “A TWO-DIMENSIONAL CURVILINEAR MODEL OF POLLUTANT DISPERSION IN RIVERS,” SHARIF: CIVIL ENINEERING, vol. 22, no. 33, pp. 37–43, 2006, [Online]. Available: https://sid.ir/paper/128201/en

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