Research Article

Numerical Simulation of Barite Sag in Pipe and Annular Flow

Figure 12

Comparison between CFD model and results of Nguyen et al. [4] and Nguyen [5]. Effect of solid concentration on mixture viscosity, = 0.067, ρ = 7.5 ppg, = 0.1556 m/s, θ = 90° (from vertical).