2010 Fiscal Year Final Research Report
Internal mixing state and ice forming capability of atmospheric aerosol particles
| Project/Area Number |
20310009
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Environmental dynamic analysis
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| Research Institution | Nagoya University |
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Principal Investigator |
OSADA Kazuo 名古屋大学, 環境学研究科, 准教授 (80252295)
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| Co-Investigator(Kenkyū-buntansha) |
MOCHIDA Michihiro 名古屋大学, 高等研究院,大学院・環境学研究科, 特任准教授,准教授 (10333642)
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| Project Period (FY) |
2008 – 2010
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| Keywords | 環境分析 / 環境変動 / 共焦点顕微鏡 / 大気エアロゾル |
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| Research Abstract |
Volume fraction(ε) of water soluble material in atmospheric aerosol particles is an important parameter relating to activation processes to cloud droplets and ice particles. In order to estimateεof individual coarse dust particle, a confocal scanning laser microscope was applied to direct measurement of volume difference of individual particles before and after water-dialysis. Individual particles of reference test dust samples and coarse particles during Asian dust events were analyzed forε. To measure ice forming capability using a Continuous-Flow Diffusion Chamber, assessment of the performance based on a computational fluid dynamics analysis, modification of the instrument, and a test experiment for atmospheric aerosol were performed.
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