Spatio-temporal scaling law of unsteady turbulence : Rayleigh-Taylor turbulence
| Project/Area Number |
21740290
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Mathematical physics/Fundamental condensed matter physics
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| Research Institution | Kyoto University |
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Principal Investigator |
MATSUMOTO Takeshi Kyoto University, 大学院・理学研究科, 助教 (20346076)
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| Project Period (FY) |
2009 – 2010
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| Project Status |
Completed (Fiscal Year 2010)
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| Budget Amount *help |
¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2010: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2009: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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| Keywords | 流体物理 / 乱流の統計理論 / レイリー・テイラー不安定性 / 密度変動乱流 / 乱流の統計理 |
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| Research Abstract |
Under the influence of the gravity, when a heavy fluid is placed on top of a light fluid, the two fluids soon become turbulent and mix each other. This turbulent flow is known as Rayleigh-Taylor turbulence. Since it is one of the most frequently seen turbulent flows in our everyday life, understanding the nature of the turbulent fluctuation and its mixing properties has a significant value. In the present study, we measure functional dependence (so-called scaling law) of the turbulent velocity and density fluctuations on the time and spatial scales by using numerical experiments.
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Report
(3 results)
Research Products
(7 results)
