| Project/Area Number |
16K14175
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Thermal engineering
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| Research Institution | Tokyo Metropolitan University |
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Principal Investigator |
Kakuta Naoto 首都大学東京, 理工学研究科, 准教授 (70345437)
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| Co-Investigator(Renkei-kenkyūsha) |
OGATA Satoshi 首都大学東京, 理工学研究科, 准教授 (50315751)
KONDO Katsuya 鳥取大学, 工学研究科, 教授 (00295750)
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| Research Collaborator |
HAN Van Cuong 首都大学東京, 理工学研究科
NISHIJIMA Keisuke 首都大学東京, 理工学研究科
Ohata Toshiya 首都大学東京, 理工学研究科
ARAKAWA Yuki 首都大学東京, 理工学研究科
OGUMA Tooru 首都大学東京, 都市教養学部
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| Project Period (FY) |
2016-04-01 – 2018-03-31
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| Project Status |
Completed (Fiscal Year 2017)
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| Budget Amount *help |
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2017: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2016: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
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| Keywords | 近赤外分光法 / 粒子分布 / 対流 / マイクロ流路 / 熱工学 / 熱物質輸送 |
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| Outline of Final Research Achievements |
Since the absorption coefficients of water are significantly different between wavelengths in near-infrared (NIR) absorption bands of water, the penetration depth of NIR light into water depends on the wavelength. Using this wavelength dependence, we tried to obtain particle distributions at each depth from reflection images. In experiments, multiple wavelengths within the absorption band of water existing at a wavelength of 1450 nm were incident in turn to water containing micro-particles in a channel with a depth of 1 mm, and the reflection images were acquired by a synchronized NIR camera. The results demonstrated that the reflection images were different between the wavelengths. Although the micro-particles could not be individually distinguished, the depth ranges were estimated, indicating the validity of the principle and measurement system of the proposed method.
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