Fig 1.
Structural model of hydrocyclone.
a)Three-dimensional structural model and separation principle schematic diagram of gas-liquid hydrocyclone. b) Initial structure size of gas-liquid separator.
Table 1.
Main parameters of the initial structure.
Fig 2.
Grid division of hydrocyclone.
a)Schematic grid division. b) Mesh independence verification.
Fig 3.
Mechanical model.
Table 2.
Bubble size distribution of the gas phase.
Table 3.
Table for model input parameters and convergence criteria.
Fig 4.
Comparison curve between numerical simulation results and experimental results.
Fig 5.
Comparison curve between numerical simulation results and experimental results.
Fig 6.
The displacement of three cross-sections S1, S2, and S3 along the direction of structural excitation in the swirl chamber under stable flow state after 1 second.
Fig 7.
Dimensionless tangential velocity(Utan/Uin) comparison.
a) Utan/Uin distribution of different sections; b) Utan/Uin distribution in X-axis direction and Y-axis direction of S2 section.
Fig 8.
Dimensionless axial velocity(Uax/Uin) comparison.
a)Axial velocity distribution of different sections; b) Axial velocity distribution in X-axis direction and Y-axis direction of S2 section.
Fig 9.
Dimensionless radial velocity(Urad/Uin) comparison.
a) Radial velocity distribution of different sections; b)Radial velocity distribution in X-axis direction and Y-axis direction of S2 section.
Fig 10.
Gas phase velocity vector diagram.
Fig 11.
Gas phase volume fraction distribution cloud map.
Fig 12.
Change curve of gas phase volume fraction at gas phase outlet.
Fig 13.
Vorticity intensity distribution cloud.
Fig 14.
Turbulence intensity distribution cloud.
Fig 15.
The distribution cloud of bubble particle size.
Fig 16.
Cloud map of bubble size distribution at different times of gas-phase outlet.
Fig 17.
Variation curve of separation efficiency.