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KAKEN_26249022seika.pdf
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Download
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:447.7 KB
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:Oct 31, 2019 |
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Total downloads since Oct 31, 2019 : 205
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ナノ・レーザ計測と粗視化モデルの相互補完解析法による界面フルイディクスの深化
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ナノ・レーザ ケイソク ト ソシカ モデル ノ ソウゴ ホカン カイセキホウ ニ ヨル カイメン フルイディクス ノ シンカ
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Nano rēza keisoku to soshika moderu no sōgo hokan kaisekihō ni yoru kaimen furuidikusu no shinka
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Deepening of interfacial fluidics by mutually complemental analysis of nano-laser measurement and coarse-grained model
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菱田, 公一
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ヒシダ, コウイチ
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Hishida, Kōichi
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慶應義塾大学・理工学部 (矢上)・教授
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Research team head
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科研費研究者番号 : 40156592
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佐藤, 洋平
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サトウ, ヨウヘイ
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Satō, Yōhei
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慶應義塾大学・理工学部・教授
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Research team member
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科研費研究者番号 : 00344127
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泰岡, 顕治
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ヤスオカ, ケンジ
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Yasuoka, Kenji
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慶應義塾大学・理工学部・教授
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Research team member
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科研費研究者番号 : 40306874
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2019
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科学研究費補助金研究成果報告書
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2018
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| Abstract |
固体・液体から成る界面極近傍に存在する水分子およびイオン群の挙動を明らかにするため，エバネッセント波照射による非侵襲計測技術，ならびに粗視化モデルに基づく分子動力学シミュレーションの開発を行った．固体表面性状やイオン混入によって，界面極近傍の水分子の振動モードおよび水素・非水素結合状態を実験的に明らかにし，水分子動態によって界面熱流動現象 (イオン濃度や固体壁面ゼータ電位) を把握することが可能となった．
Non-intrusive measurement technique using evanescent wave illumination and numerical simulation using coarse-grained model were developed in order to investigate dynamics of water molecules and ions in the vicinity of interface between liquid and solid. Experimental efforts revealed that the vibration modes and hydrogen/non-hydrogen bonding of water molecules in the vicinity of interface were significantly affected by hydrophilic/hydrophobic surface and ions. It can be concluded that it may be easy to understand the thermo-fluid dynamics in the vicinity of the interface using the water molecule dynamics.
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研究種目 : 基盤研究(A)(一般)
研究期間 : 2014～2017
課題番号 : 26249022
研究分野 : 熱工学
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