The article considers the propagation of a substance in a cylindrical coordinate system in filtration flow. A common assumption is made that the dispersion coefficient is proportional to the transport velocity. Examples of exact solutions have been obtained supplemented with asymptotic representations. The possibility of using simple expressions to approximate a two-dimensional surface (a series of curves) that reflects the solution of the problem is demonstrated.
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 94, No. 4, pp. 875–895, July–August, 2021.
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Moshinskii, A.I. Propagation of Substance in an Axisymmetric Filtration Flow. J Eng Phys Thermophy 94, 849–859 (2021). https://doi.org/10.1007/s10891-021-02361-2
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DOI: https://doi.org/10.1007/s10891-021-02361-2