Affiliation:
1. Department of Computer Science, L.N.Gumilyov Eurasian National University, Pushkin Street 11, Astana 010008, Kazakhstan
Abstract
This paper considers the problem of identifying unknown parameters for a mathematical model of an ion-exchange filter via measurement at the outlet of the filter. The proposed mathematical model consists of a material balance equation, an equation describing the kinetics of ion-exchange for the nonequilibrium case, and an equation for the ion-exchange isotherm. The material balance equation includes a nonlinear term that depends on the kinetics of ion-exchange and several parameters. First, a numerical solution of the direct problem, the calculation of the impurities concentration at the outlet of the filter, is provided. Then, the inverse problem, finding the parameters of the ion-exchange process in nonequilibrium conditions, is formulated. A method for determining the approximate values of these parameters from the impurities concentration measured at the outlet of the filter is proposed.
Funder
Ministry of Education and Science of the Republic of Kazakhstan
Subject
General Engineering,General Mathematics
Cited by
2 articles.
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