Speaker
José Arnal
(IDAEA-CSIC; University of Barcelona, Barcelona, Spain)
Description
We study steady Stokes flow through a two-dimensional packing of circular beads. We build a minimal statistical model for the flow-rate distribution based on a mapping of the pore space to a network of Poiseuille-flow tubes. We show that the flow rates at the pores follow a Gamma distribution, and that the flow-rate distribution at throats is fully determined in terms of it. The predictions agree closely with computational fluid dynamics simulations and show better agreement than prior mean-field models. The study clarifies how local splitting and merging shape flow in disordered porous networks.
| Country | Spain |
|---|---|
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Author
José Arnal
(IDAEA-CSIC; University of Barcelona, Barcelona, Spain)
Co-authors
Dr
Guillem Sole-Mari
(Universitat Politecnica de Catalunya)
Tomas Aquino
(IDAEA -- CSIC)
