English

Conformable 1D steady-state Navier-Stokes equations to describe flow through porous media

Fluid Dynamics 2021-03-30 v1

Abstract

From the definition of a generalized conformable spatial derivative, an exponential conformable function with three parameters (a,b,α)(a,b,\alpha) is proposed for a viscous and an inertial-viscous steady-state Navier-Stokes 1D models, obtaining analytical solutions for both generalized conformable models. The conformable models' parameters are optimized to compare the viscous model to a Darcian 1D flow and the inertial-viscous model to a non-Darcian 1D model for a specific range of Darcy numbers (1×102<Da1)(1\times10^{-2}<Da\leq 1). Velocity profiles for the porous medium and the conformable model are computed and compared, showing that the generalized conformable Navier Stokes 1D models describe the flow through a porous medium, for both Darcian and non-Darcian flow, without including a Darcy term or macroscopic porous characteristics.

Keywords

Cite

@article{arxiv.2103.14818,
  title  = {Conformable 1D steady-state Navier-Stokes equations to describe flow through porous media},
  author = {M. Santos-Moreno and G. Fernández-Anaya and C. V Valencia-Negrete},
  journal= {arXiv preprint arXiv:2103.14818},
  year   = {2021}
}