A. A.  Kulkarni, ?Experimental analysis of the lift force on bubbles in a swarm?, Chemical Engineering Science, vol. 63, no. 6, pp. 1710-1723, 2008.

A. A.  Kulkarni and Ranade, V. V., ?Direct contact heat transfer via injecting volatile liquid in a hot liquid pool: generation and motion of bubbles?, Chemical Engineering Science, vol. 100, pp. 421-432, 2013.