1. R. Muddle, Gravity-driven bubbly flows, Ann. Reviews Fluid Mech., 37 (2005) 393–423.
2. G. Tryggvason, S. Dabiri, B. Abouhasanzadeh and L. Jaicai, Multiscale considerations in direct numerical simulations of multiphase flows, Physics of Fluids, 25 (2013) 031302.
3. R. Clift, J. R. Grace and M. E. Weber, Bubbles, Drops and Particles, Academic Press, New York (1978).
4. D. Bhaga and M. E. Weber, Bubbles in viscous liquids: shapes, wakes and velocities, Int. J. Multiph. Flow, 33 (1981) 109–133.
5. J. R. Grace, Shapes and velocities of bubbles rising in infinite liquids, Trans IChemE, 51 (1973) 116–120.