Research Article

CFD Analysis of Pressure Losses and Deposition Velocities in Horizontal Annuli

Table 1

Analysis of turbulence model performance.

ReferenceExperimental conditions% Difference [100(experiment−simulation)/experiment]
RSMSST k-ωStandard k-ωStandard k-ε

Kaushal et al. (2005) [31]Pipe orientation: horizontal8151717.48
Pipe dia.: 0.0549 m
Pipe material of construction: stainless steel (density 8030 kg/m3, smooth wall)
Fluid: single-phase water (density: 998.2 Kg/m3, viscosity: 0.001003 kg/m-s)
Fluid velocity: 2 m/s

Camçi (2003) [32]Annulus orientation: horizontal and concentric9172023
Annulus dimensions: 0.0432 m ID, 0.123 m OD
Material of construction: aluminum (smooth wall)
Fluid: single-phase water
Fluid velocity: 0.2 m/s

Kelessidis et al. (2011) [33]Annulus orientation: horizontal and concentric8131622.2
Annulus dimensions: 0.04 m ID, 0.07 m OD
Material of construction: Plexiglas (smooth wall)
Fluid: single-phase water
Fluid velocity: 1.12 m/s

Skudarnov et al. (2004) [34]Pipe orientation: horizontal−2−2.8−3−3.2
Pipe diameter: 0.023 m
Pipe material of construction: stainless steel (wall roughness: 32 µm)
Fluid: two-phase solid-liquid slurry
Liquid: water (density: 998.2 Kg/m3, viscosity: 0.001003 kg/m-s)
Solid: glass spheres (double species with densities of 2490 kg/m3 and 4200 kg/m3, 50% by 50% volume mixture, particle diameter (dm): 140 µm, volumetric concentration (Cv): 15%)
Fluid velocity: 1.724 m/s

Ozbelge and Beyaz (2001) [35]Annulus orientation: vertical and concentric−61415−15.1
Annulus dimensions: 0.125 m OD, 0.025 m ID
Material of construction: stainless steel (density 8030 kg/m3, smooth wall)
Fluid: two-phase solid-liquid slurry
Liquid: water (density 998.2 Kg/m3, viscosity 0.001003 kg/m-s)
Solid: feldspar (mean particle diameter 0.23 mm, mean density 2500 kg/m3, volumetric concentration, Cv = 1.80%)
Fluid velocity: 0.135 m/s

Ozbelge and Beyaz (2001) [35]Annulus orientation: vertical and concentric−481316
Annulus dimensions: 0.125 m OD, 0.025 m ID
Material of construction: stainless steel (density 8030 kg/m3, smooth wall)
Fluid: two-phase solid-liquid slurry
Liquid: water (density 998.2 Kg/m3, viscosity 0.001003 kg/m-s)
Solid: feldspar (mean particle diameter 0.23 mm, mean density 2500 kg/m3, volumetric concentration, Cv = 1.80%)
Fluid velocity: 0.197 m/s