2015 Fiscal Year Final Research Report
Mathematics and Practice of Innovative Convection Heat Transfer Enhancement
| Project/Area Number |
25289037
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Partial Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Thermal engineering
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| Research Institution | The University of Tokyo |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
SHIKAZONO NAOKI 東京大学, 生産技術研究所, 教授 (30345087)
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| Project Period (FY) |
2013-04-01 – 2016-03-31
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| Keywords | 滞留 |
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| Outline of Final Research Achievements |
We apply optimal control theory in order to achieve dissimilarity between wall friction and wall heat flux in internal flows. First, we consider ideal wall blowing/suction as a control input and the optimization of its spatio-temporal distribution is conducted. By analyzing the obtained optimal control input, we develop a simple predetermined control strategy for dissimilar heat transfer enhancement. In addition, we clarify the scaling of the optimal traveling wave-like control input. Next, we extend the above approach to the shape optimization of complex heat transfer surfaces. By representing heat transfer surface with a level-set function, its spatial distribution is optimized so as to minimize a prescribed cost functional. It is demonstrated that the proposed scheme is promising in optimizing complex interfaces in a wide variety of engineering applications.
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| Free Research Field |
熱流体工学
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