We study two-dimensional incompressible inertial flows through porous media. At core (small) scale, we prove that the constitutive, nonlinear model can be rewritten into a linear one by means of a new parameter K★ which encompasses all the inertial effects. In natural (large-scale) formations, K★ is erratically changing, and we analytically compute its counterpart, which is coined generalized effective conductivity, by the self-consistent approach (SCA). In spite of its approximate nature, the SCA leads to simple results that are in good agreement with Monte Carlo simulations.
Effective conductivity of inertial flows through porous media / Severino, Gerardo; Giannino, Francesco; De Paola, Francesco; Di Federico, Vittorio. - In: PHYSICAL REVIEW. E. - ISSN 2470-0045. - 107:3(2023). [10.1103/PhysRevE.107.035102]
Effective conductivity of inertial flows through porous media
Severino, Gerardo
;Giannino, Francesco;De Paola, Francesco;
2023
Abstract
We study two-dimensional incompressible inertial flows through porous media. At core (small) scale, we prove that the constitutive, nonlinear model can be rewritten into a linear one by means of a new parameter K★ which encompasses all the inertial effects. In natural (large-scale) formations, K★ is erratically changing, and we analytically compute its counterpart, which is coined generalized effective conductivity, by the self-consistent approach (SCA). In spite of its approximate nature, the SCA leads to simple results that are in good agreement with Monte Carlo simulations.File | Dimensione | Formato | |
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