Statistical Mechanical Study on Transport Phenomena of Weak Turbulence Using Nematic Electroconvection
| Project/Area Number |
15K05799
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Fluid engineering
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| Research Institution | Kyushu University |
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Principal Investigator |
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| Co-Investigator(Renkei-kenkyūsha) |
NARUMI Takayuki 山口大学, 大学院創成科学研究科, 講師 (50599644)
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| Project Period (FY) |
2015-04-01 – 2018-03-31
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| Project Status |
Completed (Fiscal Year 2017)
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| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2017: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2016: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2015: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
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| Keywords | 弱い乱流 / ソフトモード乱流 / 欠陥乱流 / 非熱的揺動 / カオス誘起摩擦 / 時間依存拡散係数 / 優拡散 / 劣拡散 / 液晶電気対流 / ステップ外力応答 / 緩和関数 / 非熱的Brown運動 / superdiffusion / subdiffusion / 南部-ゴールドストーン・モード / 位相ダイナミクス / デバイ型緩和 / 乱流誘起摩擦 / 非熱的ブラウン運動 / ホッピング拡散 |
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| Outline of Final Research Achievements |
Physical properties of transport phenomenon of the weak turbulence in electroconvection of nematic liquid crystals have been studied. The weak turbulence occurs by the interaction between convective flow and nematic director. The statistical mechanical method such as external force response, correlation function, and Brownian motion were used to investigate the properties. As a result, the fluctuations due to the nonlinear interaction of multiple modes showed unique properties different from the thermal fluctuation targeted by the statistical mechanics so far. In addition, it was revealed that the transport phenomena change qualitatively depending on the observation scale, reflecting the coexistence of local order and global disorder in the weak turbulence.
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Report
(4 results)
Research Products
(30 results)
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[Journal Article] Takayuki Narumi, Yosuke Mikami, Tomoyuki Nagaya, Hirotaka Okabe, Kazuhiro Hara, and Yoshiki Hidaka2016
Author(s)
Takayuki Narumi, Yosuke Mikami, Tomoyuki Nagaya, Hirotaka Okabe, Kazuhiro Hara, and Yoshiki Hidaka
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Journal Title
Physical Review E
Volume: 94
Issue: 4
DOI
Related Report
Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
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[Presentation] Information Reduction for Chaotic Patterns2016
Author(s)
Yoshiki HIDAKA, Noriko OIKAWA, Kosuke IJIGAWA, Hirotaka OKABE, and Kazuhiro HARA
Organizer
The 11th International Conference on Computer Science & Education (IEEE ICCSE 2016) Satellite Event in Fukui
Place of Presentation
福井大学文京キャンパス アカデミーホール
Related Report
Int'l Joint Research
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[Presentation] 液晶散逸構造の交流磁場応答2015
Author(s)
日高芳樹, 飯野美里, Fahrudin Nugroho, Rinto Anugraha, 岡部弘高, 原一広
Organizer
2015年日本液晶学会討論会
Place of Presentation
東京工業大学 すずかけ台キャンパス
Year and Date
2015-09-07
Related Report
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