Estimates to the weak solution of the electro-hydrodynamical boundary value problem for the unit cell of cation-exchange membrane
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| Format: | Preprint |
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2026
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| _version_ | 1866908971182325760 |
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| author | Koroleva, Yulia |
| author_facet | Koroleva, Yulia |
| contents | We study a model problem on the filtration of a conducting fluid through a porous layer. A porous medium is presented as an assemblage of identical spherical cells. Each cell consists of a porous core and liquid shell. We show the dependence of each flow parameter on the Debye radius which characterizes how far the influence of a charge extends in electrolyte. The common case of finite Debye radius in comparison to the cell radius is analyzed. We derive apriori estimates for flow characteristics which show the specific behavior of the fluid. The boundedness of velocity field, pressure, electric potential and ion flux densities was proved. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2604_15410 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Estimates to the weak solution of the electro-hydrodynamical boundary value problem for the unit cell of cation-exchange membrane Koroleva, Yulia Analysis of PDEs Mathematical Physics We study a model problem on the filtration of a conducting fluid through a porous layer. A porous medium is presented as an assemblage of identical spherical cells. Each cell consists of a porous core and liquid shell. We show the dependence of each flow parameter on the Debye radius which characterizes how far the influence of a charge extends in electrolyte. The common case of finite Debye radius in comparison to the cell radius is analyzed. We derive apriori estimates for flow characteristics which show the specific behavior of the fluid. The boundedness of velocity field, pressure, electric potential and ion flux densities was proved. |
| title | Estimates to the weak solution of the electro-hydrodynamical boundary value problem for the unit cell of cation-exchange membrane |
| topic | Analysis of PDEs Mathematical Physics |
| url | https://arxiv.org/abs/2604.15410 |