Research Article
Numerical Simulation of Barite Sag in Pipe and Annular Flow
Table 1
Input data for the simulation – 2D CFD model.
| Parameter | Variable | Value | Units |
| Diameter of pipe | | 0.0508 () | m (in.) | Length of pipe | L | 3.65 () | m (ft.) | Fluid inlet velocity | | 0.1556 (30.64) | m/s (ft/min) | Viscosity of liquid | | 0.062 () | Pa·s (cP) | Density of liquid | | 898.78 () | kg/m3 (/gal) | Density of solid | | 4198.92 () | kg/m3 (/gal) | Diameter of solid | | 0.000025 () | m (µm) | Initial concentration of the solid | | 0.067 | | Deviation angle | θ | 90 | ° (from vertical) | Number of CFD elements | | 63,790 | | CFD time-step | | 0.1 | s | Physical time simulated | | 36 | s |
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