1. The structure of vortex breakdown;Leibovich;Annu. Rev. Fluid Mech.,1978
2. Vortex breakdown: observations and explanations;Escudier;Prog. Aerospace Sci.,1988
3. The transition from the right helical symmetry to the left symmetry during vortex breakdown;Okulov;Tech. Phys. Lett.,1996
4. Modelling of the turbulent vortex breakdown as a transition from column to conical helical vortices;Murakhtina,2000
5. On heat transfer enhancement in swirl pipe flows;Martemianov;Int. J. Heat Mass Transfer,2004