| Issue |
MATEC Web Conf.
Volume 196, 2018
XXVII R-S-P Seminar, Theoretical Foundation of Civil Engineering (27RSP) (TFoCE 2018)
|
|
|---|---|---|
| Article Number | 04003 | |
| Number of page(s) | 6 | |
| Section | Building Materials, Technologies, Organization and Management in Construction | |
| DOI | https://doi.org/10.1051/matecconf/201819604003 | |
| Published online | 03 September 2018 | |
Deep bed filtration with multiple pore-blocking mechanisms
1
National Research University Higher School of Economics,
Myasnitskaya st., 20,
Moscow,
101000 Russia
2
Moscow State University of Civil Engineering,
Yaroslavskoe shosse, 26,
Moscow,
129337,
Russia
*
Corresponding author: yuri-osipov@mail.ru
A one-dimensional model for the deep bed filtration of a monodisperse suspension in a porous medium with variable porosity and permeability and multiple pore-blocking mechanisms is considered. It is assumed that the small pores are clogged by separate particles; pores of medium size, exceeding the diameter of the particles, can be blocked by arched bridges, forming stable structures at the pore throats. These pore-blocking mechanisms - size-exclusion and different types of bridging act simultaneously. Exact solutions are obtained for constant coefficients, on the concentrations front and at the porous medium inlet.
© The Authors, published by EDP Sciences, 2018
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