CFD Simulations of multiphase systems

Researchers: Ir. J.M. van Baten
Prof. R. Krishna

The following scientific letter

Krishna, R. and van Baten, J.M., Simulating the motion of gas bubbles in a liquid, Nature, 398, 208 (1999)

can be downloaded in PDF (Adobe Acrobat) format. The file is 69kB in size.

Models

Single bubble simulations

Bubble sizeMethodColumn diameterColumn heightCell size
4 mmVOF0.025 m0.090 m0.125e-3 m
5 mmVOF0.025 m0.090 m0.125e-3 m
9 mmVOF0.040 m0.090 m0.160e-3 m
12 mmVOF0.040 m0.090 m0.160e-3 m
20 mmVOF0.040 m0.090 m0.160e-3 m
20 mmVOF0.4 m0.5 m1.0e-3 m
20 mmVOF0.6 m0.5 m1.0e-3 m

Wall effect on rise velocity of spherical cap bubbles

Bubble diameterColumn diameters
32 mm0.051 m and 0.100 m
32 mm0.051 m and 0.300 m

Swarm of 5mm bubbles

Bubble sizeMethodColumn diameterColumn heightCell size
5 mmVOF0.025 m0.12 m0.150e-3 m

All simulations on this site have been performed with CFX 4.1C.

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