| Co-Investigator(Kenkyū-buntansha) |
福山 真央 東北大学, 多元物質科学研究所, 講師 (40754429)
石坂 昌司 広島大学, 先進理工系科学研究科(理), 教授 (80311520)
柳町 拓哉 秋田工業高等専門学校, その他部局等, 准教授 (50768744)
玄 大雄 東北大学, 多元物質科学研究所, 助教 (50774535)
岡田 哲男 東京工業大学, 理学院, 教授 (20183030)
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| Budget Amount *help |
¥44,200,000 (Direct Cost: ¥34,000,000、Indirect Cost: ¥10,200,000)
Fiscal Year 2022: ¥7,540,000 (Direct Cost: ¥5,800,000、Indirect Cost: ¥1,740,000)
Fiscal Year 2021: ¥7,540,000 (Direct Cost: ¥5,800,000、Indirect Cost: ¥1,740,000)
Fiscal Year 2020: ¥7,150,000 (Direct Cost: ¥5,500,000、Indirect Cost: ¥1,650,000)
Fiscal Year 2019: ¥7,280,000 (Direct Cost: ¥5,600,000、Indirect Cost: ¥1,680,000)
Fiscal Year 2018: ¥14,690,000 (Direct Cost: ¥11,300,000、Indirect Cost: ¥3,390,000)
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| Outline of Final Research Achievements |
A new optical measurement method for the surface tension of micrometer-sized water droplets, which has attracted much attention in the field of atmospheric chemistry, has been developed. Optical trapping and electrodynamic balance methods were developed to trap single water droplets in the measurement field. It was demonstrated that capillary waves resonate spontaneously in a single water droplet and that the surface tension can be obtained from the resonance mode frequency. The research has made significant progress to the point where surface tension of water droplets containing environmental atmospheric aerosol samples has been successfully measured.
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