2016 Fiscal Year Final Research Report
Development of high speed separation technology of nanoparticles for a wide range of particle loading and its application to analysis of dynamic behavior of environmental aerosol nanoparticles
| Project/Area Number |
15K12185
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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 |
Environmental dynamic analysis
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| Research Institution | Kanazawa University |
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Principal Investigator |
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| Project Period (FY) |
2015-04-01 – 2017-03-31
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| Keywords | ナノ粒子 / 慣性フィルタ / 高速 / 大流量 / 環境動態解析 |
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| Outline of Final Research Achievements |
A multi-nozzle layered mesh inertial filter was investigated in an attempt to improve the steepness of the separation efficiency curve by combining the inertial filter and an impactor. In this system, the separation curves overlap each other. Such a combination, which we refer to as a “hybrid inertial filter” was far validated for a single nozzle geometry, was scaled up using a multi nozzle geometry to a high volume air sampling flow rate. An air sampling unit designed for a commercial portable high volume air sampler, consisting of a multi-cyclone and a hybrid inertial filer, was devised. The scale up of the hybrid inertial filter using multi-nozzle geometry was confirmed. A sampler with the above sampling unit was successfully applied to evaluate various chemicals in ambient PM0.13 in a road tunnel collected at every 2-hrs. evaluated by the present unit was found to be in good agreement with values obtained for 2 different types of cascade air samplers.
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| Free Research Field |
環境動態解析，エアロゾル工学
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