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A Study to Investigate Fluid-Solid Interaction Effects on Fluid Flow in Micro Scales
- Source :
- Energies, Vol 11, Iss 9, p 2197 (2018), Energies; Volume 11; Issue 9; Pages: 2197
- Publication Year :
- 2018
- Publisher :
- MDPI AG, 2018.
-
Abstract
- Due to micro-nanopores in tight formation, fluid-solid interaction effects on fluid flow in porous media cannot be ignored. In this paper, a novel model which can characterize micro-fluid flow in micro scales is proposed. This novel model has a more definite physical meaning compared with other empirical models. And it is validated by micro tube experiments. In addition, the application range of the model is rigorously analyzed from a mathematical view, which indicates a wider application scope. Based on the novel model, the velocity profile, the average flow velocity and flow resistance in consideration of fluid-solid interaction are obtained. Furthermore, the novel model is incorporated into a representative pore scale network model to study fluid-solid interactions on fluid flow in porous media. Results show that due to fluid-solid interaction in micro scales, the change rules of the velocity profile, the average flow velocity and flow resistance generate obvious deviations from traditional Hagen-Poiseuille’s law. The smaller the radius and the lower the displacement pressure gradient (∇P), the more obvious the deviations will be. Moreover, the apparent permeability in consideration of fluid-solid interaction is no longer a constant, it increases with the increase of ∇P and non-linear flow appears at low ∇P. This study lays a good foundation for studying fluid flow in tight formation.
- Subjects :
- Control and Optimization
Materials science
fluid-solid interaction
pore network model
Energy Engineering and Power Technology
02 engineering and technology
010502 geochemistry & geophysics
01 natural sciences
lcsh:Technology
Physics::Fluid Dynamics
Fluid dynamics
velocity profile
the average flow velocity
flow resistance
Electrical and Electronic Engineering
Engineering (miscellaneous)
0105 earth and related environmental sciences
Network model
Renewable Energy, Sustainability and the Environment
lcsh:T
Empirical modelling
Radius
Mechanics
021001 nanoscience & nanotechnology
Flow (mathematics)
Flow velocity
0210 nano-technology
Porous medium
Constant (mathematics)
Energy (miscellaneous)
Subjects
Details
- Language :
- English
- ISSN :
- 19961073
- Volume :
- 11
- Issue :
- 9
- Database :
- OpenAIRE
- Journal :
- Energies
- Accession number :
- edsair.doi.dedup.....1a3d0534ff9d79d0cbc36651d698e937