2019 Fiscal Year Annual Research Report
Test of the universality class for the transition to turbulence in pipe flow
| Project/Area Number |
17K14594
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| Research Institution | Okinawa Institute of Science and Technology Graduate University |
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Principal Investigator |
Cerbus Rory 沖縄科学技術大学院大学, 流体力学ユニット, 研究員 (10795347)
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| Project Period (FY) |
2017-04-01 – 2020-03-31
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| Keywords | 乱流遷移 / パイプ流 |
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| Outline of Annual Research Achievements |
I finished two articles about the transition to turbulence in pipe flow. The first article, in Science Advances, details how transitional pipe flow surprisingly has the same structure of velocity fluctuations as highly turbulent flow. The second article, in the Journal of Fluid Mechanics, is a re-examination of a celebrated article. We not only corrected some important oversights, but in doing so learned some important lessons about how the transition evolves.
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