C. L. Dora, T. Murugan, S. De and Debopam Das " Role of slipstream instability in formation of counter-rotating vortex rings ahead of a compressible vortex ring" J. Fluid Mech. (2014), vol.753, 29-48
Murugan, T., De, S., Dora, C. & Das, D. "Numerical simulation and PIV study of compressible vortex ring evolution" Shock Waves, Springer,(2012), vol.22, 69-83
Murugan, T.; De, S.; Dora, C.; Das, D. & Kumar, P. P. A study of the counter rotating vortex rings interacting with the primary vortex ring in shock tube generated flows Fluid Dyn. Res.,( 2013), vol-45, 025506