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Sketch of the diffuser in Mansour et al. [ 29 ]. The inlet and outlet are s...
Published Online: December 2, 2022
Fig. 2 Sketch of the diffuser in Mansour et al. [ 29 ]. The inlet and outlet are shortened for the computational domain. More
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( a ) Mesh for case C at the diverging part. ( b ) Cell volume at the middl...
Published Online: December 2, 2022
Fig. 3 ( a ) Mesh for case C at the diverging part. ( b ) Cell volume at the middle plane of the diffuser for case C. The marked regions at the entrance walls are the regions where the bubble volume ( 5.24 × 10 − 10   m 3 ) exceeds the cell volume. More
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Velocity magnitude in the middle plane of the diffuser captured with LES us...
Published Online: December 2, 2022
Fig. 4 Velocity magnitude in the middle plane of the diffuser captured with LES using the LUST scheme. The gray area marks the region, where the upwind scheme is applied. More
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Comparison of the flow characteristics (instantaneous images) and the avera...
Published Online: December 2, 2022
Fig. 5 Comparison of the flow characteristics (instantaneous images) and the average position and size of the continuous gas (averaged images) for case A. The red cross marks the separation point: ( a ) instantaneous experimental shadowgraph [ 50 ], ( b ) averaged experimental shadowgraph [ 50 ], ... More
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Comparison of the flow characteristics (instantaneous images) and the avera...
Published Online: December 2, 2022
Fig. 6 Comparison of the flow characteristics (instantaneous images) and the average position and size of the continuous gas region (averaged images) for case B. The red cross marks the separation point: ( a ) instantaneous experimental shadowgraph [ 50 ], ( b ) averaged experimental shadowgraph [... More
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Comparison of the flow characteristics (instantaneous images) and the avera...
Published Online: December 2, 2022
Fig. 7 Comparison of the flow characteristics (instantaneous images) and the average position and size of the continuous gas region (averaged images) for case C. The red cross marks the separation point: ( a ) Instantaneous experimental shadowgraph [ 50 ], ( b ) averaged experimental shadowgraph [... More
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Pressure probes along the diffuser for case A and case C, compared to exper...
Published Online: December 2, 2022
Fig. 8 Pressure probes along the diffuser for case A and case C, compared to experimental measurements [ 29 ]. Positions of the probes are shown in Fig. 2 : ( a ) case A and ( b ) case C. More
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Mean continuous (solid lines, left axis) and disperse (dashed lines, right ...
Published Online: December 2, 2022
Fig. 9 Mean continuous (solid lines, left axis) and disperse (dashed lines, right axis) gas volume of the simulations, related to the entire gas volume of case A. The contour of the diffuser is shown in the background to emphasize the location of the accumulation. More
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Relative deviations of averaged gas volume obtained with different bubble d...
Published Online: December 2, 2022
Fig. 10 Relative deviations of averaged gas volume obtained with different bubble diameters: ( a ) case A, ( b ) case B, and ( c ) case C More
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Article Type: Research-Article
J. Fluids Eng. February 2023, 145(2): 021404.
Paper No: FE-22-1416
Published Online: November 23, 2022
Includes: Supplementary data
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Journal Articles