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Hokkaido University Preprint Series in Mathematics >
Random Dynamics from Time Series of Rotating Fluid
| Title: | Random Dynamics from Time Series of Rotating Fluid |
| Authors: | Sato, Yuzuru Browse this author | | Iima, Makoto Browse this author | | Tasaka, Yuji Browse this author |
| Keywords: | Surface switching | | Multiscale dynamics | | Random dynamical systems | | Noise-induced phenomena |
| Issue Date: | 30-Jun-2011 |
| Publisher: | Department of Mathematics, Hokkaido University |
| Journal Title: | Hokkaido University Preprint Series in Mathematics |
| Volume: | 979 |
| Start Page: | 2 |
| End Page: | 5 |
| Abstract: | A random dynamics is extracted from time series of laminar-turbulent transition in rotating fluid in an open cylinder. We focus on the dynamics of the surface height in the central region and measure switching dynamics between different quasi-stationary states and intensity of underlying turbulence. Density of return map is constructed from an one dimensional map with an stochastic term from the experimental data. It is shown that the random dynamics whose noise amplitude depends on the slow variable describes the observed macroscopic features of rotating fluid in terms of noise-induced phenomena. |
| Type: | bulletin (article) |
| URI: | http://hdl.handle.net/2115/69786 |
| Appears in Collections: | 理学院・理学研究院 (Graduate School of Science / Faculty of Science) > Hokkaido University Preprint Series in Mathematics
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Submitter: 数学紀要登録作業用
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