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  1. D300 大学院環境学研究科
  2. D300a 雑誌掲載論文
  3. 学術雑誌

Terminal settling velocity and physical properties of pollen grains in still air

http://hdl.handle.net/2237/25143
http://hdl.handle.net/2237/25143
540d3bd4-19c2-48ca-be3b-f13e51065900
名前 / ファイル ライセンス アクション
HiroseOsada_aerobiologia.pdf HiroseOsada_aerobiologia.pdf ファイル公開:2017/09/01 (347.8 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2016-12-05
タイトル
タイトル Terminal settling velocity and physical properties of pollen grains in still air
言語 en
著者 Hirose, Yuuki

× Hirose, Yuuki

WEKO 67757

en Hirose, Yuuki

Search repository
Osada, Kazuo

× Osada, Kazuo

WEKO 67758

en Osada, Kazuo

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 The final publication is available at Springer via http://doi.org/10.1007/s10453-015-9408-0
キーワード
主題Scheme Other
主題 Pollen grain
キーワード
主題Scheme Other
主題 Shape factors
キーワード
主題Scheme Other
主題 Settling velocity
キーワード
主題Scheme Other
主題 Aerodynamic diameter
抄録
内容記述 Numerical simulation of wind pollination requires knowledge of pollen grain physical parameters such as size, shape factor, bulk density, and terminal settling velocity. The pollen grain parameters for Japanese cedar, Japanese cypress, short ragweed, Japanese black pine, and Japanese red pine were assessed for dry condition. Terminal settling velocities of dry pollen grains in still air were measured using image analysis of scattered light tracks in a dark settling tube. The measurement system was validated by comparing results to those obtained for standard microspheres of known size and density. Dry pollen grain shape factors indicate the resemblance of particles to spheres, except for pine pollen. Circularity factors of dry pine pollen grains were 0.90–0.86, suggesting more irregular shape than those of other pollen species. Aerodynamic diameters of dry pollen grains were calculated based on the terminal settling velocity. Aerodynamic diameters of Japanese cedar, Japanese cypress, and short ragweed closely resembled the projected area equivalent diameters, suggesting that aerodynamic behaviors of these pollen grains can be managed simply in numerical simulations. However, aerodynamic diameters of dry pine pollen grains were nearly 30 % smaller than projected area equivalent diameters. Sacci on dry pine pollen can reduce the terminal settling velocity through low density and shape effects attributed to their non-sphericity, engendering aerodynamic diameter smaller by more than 10 µm from area equivalent diameters.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 Springer
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ AM
出版タイプResource http://purl.org/coar/version/c_ab4af688f83e57aa
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1007/s10453-015-9408-0
ISSN
収録物識別子タイプ PISSN
収録物識別子 0393-5965
書誌情報 en : Aerobiologia

巻 32, 号 3, p. 385-394, 発行日 2016-09
著者版フラグ
値 author
URI
識別子 http://doi.org/10.1007/s10453-015-9408-0
識別子タイプ DOI
URI
識別子 http://hdl.handle.net/2237/25143
識別子タイプ HDL
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