2010 Fiscal Year Final Research Report
Fundamental studies on the interaction between the polymer chain dynamics and turbulent flows
| Project/Area Number |
20760112
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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 |
Fluid engineering
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| Research Institution | Nagoya Institute of Technology |
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Principal Investigator |
WATANABE Takeshi 名古屋工業大学, 大学院・工学研究科, 准教授 (30345946)
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| Project Period (FY) |
2008 – 2010
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| Keywords | 乱流 / 直接数値計算 / 並列計算 / 高分子鎖 |
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| Research Abstract |
We investigated the statistical and dynamical nature of long chain polymers dispersed in turbulent flows by using the large-scale numerical simulations. Statistics of coil-stretch transition of polymer extension fluctuations was clarified in the case for isotropic turbulence. We found that this nature was insensitive to the variation of number of beads consisting of the polymer model. We also discussed the relationship between the time scale of polymer extension dynamics and velocity gradient fluctuations.
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