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  • Summary & Details

Study of Aerosol Movement and countermeasures in public transportation

公共交通機関におけるエアロゾル挙動とウイルスの対策手法検討

Detailed Information

Category(J)研究論文

Translation

Category(E)ResearchPaper
Author(J)1) 達 晃一, 2) 篠原 直秀, 3) 金 勲, 4) 鍵 直樹, 5) 坂口 淳, 6) 飯田 明由, 7) 山内 康, 8) 安原 幸生, 9) 坪倉 誠, 10) 内藤 航
Author(E)1) Koichi Tatsu, 2) Naohide Shinohara, 3) Kim Hoon, 4) Naoki Kagi, 5) Jyun Sakaguchi, 6) Akiyoshi Iida, 7) Kou Yamauchi, 8) Yukio Yasuhara, 9) Makoto Tsubokura, 10) Wataru Naito
Affiliation(J)1) いすゞ自動車,産業総合技術研究所, 2) 産業総合技術研究所, 3) 国立保健医療科学院, 4) 東京工業大学, 5) 新潟県立大学, 6) 豊橋技術科学大学, 7) いすゞ自動車, 8) 国土交通省, 9) 神戸大学,理化学研究所, 10) 産業総合技術研究所
Abstract(J)本研究では、① ウイルスの感染対策を講じる上で必要な現象(換気や飛沫・飛沫核の挙動や表面汚染など)について、実測・実験室実験・シミュレーションを組み合わせて明らかにすること、② 場ごとの経路別リスク評価を行い、場ごとに対策によるリスク低減効果を推定すること、③ 飛沫核に対する対策技術の開発を行うことを目的とする.今回の報告では、①路線バスの換気実態調査結果および③エアロゾルフィルタ(本研究では粒子捕集のフィルタをエアロゾルフィルタと呼ぶこととする)の効果について報告する.

Translation

Abstract(E)Public transportation is required to have effective measures against the new corona infection. In this study, we investigated the actual condition of ventilation, which is said to be the infection route of the virus, and examined the countermeasures in addition, the behavior of the particles when they were diffused into the route bus was measured. PSL and artificial saliva were used as the particles. PSL tends to be deposited easily, so the particle concentration is too low. It may lead to evaluation. Also, the particle collection ability of the aerosol filter was evaluated. From this result, it was found that it has the same effect as window opening ventilation.

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