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Transition process from one celled vortex to two celled vortex |
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| Authors: | S Shingubara K Hagiwara R Fukushima T Kawakubo |
| Institution: | Department of Applied Physics, Tokyo Institute of Technology, Oh-okayama, Meguro, Tokyo, Japan |
| Abstract: | Changes in the flow structure, the vorticity distribution and the stream function during the transition process from the one celled vortex to the two celled vortex following a rapid change in the radial Reynolds number have been examined. Starting from a thin filament-like structure corresponding to the one celled vortex. a thick vortex core first grew up from the outlet region and turned into a cylindrical structure corresponding to the two celled vortex. The vorticity distribution also changed from a single-summit type to a ring-summit type. |
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