2020 Fiscal Year Final Research Report
Elucidation of thermal transport across interface based on heat flux at single-atom scale
| Project/Area Number |
19K14909
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| Research Category |
Grant-in-Aid for Early-Career Scientists
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| Allocation Type | Multi-year Fund |
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| Review Section |
Basic Section 19020:Thermal engineering-related
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| Research Institution | Osaka University |
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Principal Investigator |
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| Project Period (FY) |
2019-04-01 – 2021-03-31
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| Keywords | 熱流束 / 界面熱輸送 / １原子スケール / 固液界面 / 非平衡分子動力学 |
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| Outline of Final Research Achievements |
This study aimed to elucidate effects of the heat flux at single-atom scale on a macroscopic thermal transport across a solid-liquid interface. Classical molecular dynamics analysis was conducted for a solid-liquid interfacial system with atomic-scale structures. Developing a technique to calculate heat flux at singe-atom scale, this study revealed a relationship between the heat flux at single-atom scale and the macroscopic thermal transport across a solid-liquid interface.
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| Free Research Field |
熱流体工学
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| Academic Significance and Societal Importance of the Research Achievements |
本研究では１原子のスケールに着目して原子スケールの表面固体構造近傍の熱流束を算出している．古典的な描像ではあるが，表面固体原子近傍の熱流束の描像は原子スケールの熱流の経路を視覚的に理解可能とするものであり，学術的価値だけでなく社会的な意義もあると考えられる．また構築した１原子スケールの熱流の解析技術に基づきマクロスケールの熱流との関連性を明らかにする方法論の構築は特に学術的価値が高いと考えられる．
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