頁籤選單縮合
題 名 | Development of PM0.1 Personal Sampler for Evaluation of Personal Exposure to Aerosol Nanoparticles |
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作 者 | Thongyen, Thunyapat; Hata, Mitsuhiko; Toriba, Akira; Ikeda, Takuji; Koyama, Hiromi; Otani, Yoshio; Furuuchi, Masami; | 書刊名 | Aerosol and Air Quality Research |
卷 期 | 15:1 2015.02[民104.02] |
頁 次 | 頁180-187 |
分類號 | 445.63 |
關鍵詞 | PM0.1; Nanoparticles; Personal exposure; Inertial filter; |
語 文 | 英文(English) |
英文摘要 | A PM0.1 sampler for the evaluation of the personal exposure to nanoparticles was designed based on a novel approach to a layered mesh inertial filter. Applications to practical environments would include roadsides and highly contaminated workplaces. The separation performances of PM0.1 sampler consisting of a layered mesh inertial filter and pre-separators for the removal of coarse particles were evaluated. The influence of particle loading on the pressure drop and separation performance, which is important from a practical standpoint, was also discussed. The novel personal sampler recorded a cutoff size of 100 nm with a small pressure drop of ~5 kPa. Through the combination of a layered mesh inertial filter for the PM0.1 and pre-cut impactors for the removal of huge or coagulated particles (PM1.4-TSP) along with a pre-cut inertial filter using webbed SUS fibers for the removal of fine particles (PM0.5-PM1.4), the present PM0.1 inlet for the personal sampler was practical for the chemical analysis of collected particles. This sampler was proven effective even under the limitations of a small-capacity portable battery pump, which was rated at less than the minimum change for separation performance. The novel PM0.1 personal sampler is compact and lightweight (under 1 kg including a portable battery pump), which is important for the practical application of a personal sampler. |
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