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First name, Middle name, Last name, Scientific degree, Scientific rank, Current position. Full and brief name of the organization, The organization address.Kayumov R.A. – doctor of physical and mathematical sciences, professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Kazan State University of Architecture and Engineering The organization address: 420043, Russia, Kazan, Zelenaya st., 1 Fedosov S.V. – doctor of technical sciences, professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Rumyantseva V.E. – doctor of technical sciences, professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Khrunov V.A. – candidate of technical sciences, senior lecturer E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Manohina Yu.V. – post-graduate student E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Krasilnikov I.V. – post-graduate student E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Ivanovo State University of Architecture, Building and Civil Engineering The organization address: 153037, Russia, Ivanovo, 8 Marta st., 20
Title of the articleMathematical modeling of corrosion mass transfer of the heterogeneous system «corrosive liquids – cement concrete». Special cases of the solutions
Abstract.Mass transfer corrosion of the second type of cement concrete is mathematically modeled in the present article. This specific kind of corrosion degradation, which occurs most often in industrial production, associated with release or use of acids. The boundary-value problem of mass condition is shown in the case of the wall of a concrete structure in chemical interaction with aggressive component of aquatic environment in dimensional and dimensionless variables. The final solution by Laplace method is presented for small values of mass transfer Fourier number. We describe two special cases of the solution: the equal distribution of the mass source according to the thickness of concrete, and in the case where the mass source is distributed along the coordinate. For each particular case calculation results in graphical form are given. Obtained during numerical simulation graphics are in good agreement with the physical picture of the process of mass transfer on the corrosion mechanism of the second kind.
Keywords.Mathematical modeling, mass transfer, heterogeneous systems, corrosive of cement concrete.
For citations:Kayumov R.A., Fedosov S.V., Rumyantseva V.E., Khrunov V.A., Manohina Yu.V., Krasilnikov I.V. Mathematical modeling of corrosion mass transfer of the heterogeneous system «corrosive liquids – cement concrete». Special cases of the solutions // Izvestiya KGASU. 2013. №4(26) P.343-348.


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