Table 1
Properties of fluids and the matrix block along with the experimental condition.
| Parameters | Symbol | Value |
|---|---|---|
| Oil density (kg/m3) | ρ 0 | 896 |
| Oil viscosity (Pa·s) | μ 0 | 0.044 |
| Water density (kg/m3) | ρ w | 1000 |
| Water viscosity (Pa·s) | μ w | 0.001 |
| Initial temperature (°C) | T | 20 |
| Differential pressure (Pa) | ΔP | 1723.689 |
| Flow rate (mL/h) | Q | 0.12 |
| Contact angle (rad) | θ water−oil | π/2 |
| Mean throat sizes (cm) | R t | 0.015 |
| Mean pore sizes (cm) | R p | 0.08 |
| Etching thickness (µm) | ϵ | 138 |
| Porous media volume (cc) | V | 0.25 |
| Permeability (Darcy) | K | 4 |
| Water–oil interfacial tension (mN/m) | σ water−oil | 24 |