@article{oai:miyazaki-u.repo.nii.ac.jp:00000872, author = {Kurosaka, M. and Cain, C. B. and Srigrarom, S. and Wimer, J. D. and Dabiri, D. and Johnson, Iii W. F. and Hatcher, J. C. and Thompson, B. R. and Kikuchi, M. and Hirano, K. and Yuge, T. and Honda, T.}, journal = {Journal of Fluid Mechanics}, month = {Jun}, pages = {1--28}, title = {Azimuthal vorticity gradient in the formative stages of vortex breakdown}, volume = {569}, year = {2006} }