Three-dimensional Numerical Simulation of Gas-Particulate Flow around Breathing Human and Particulate Inhalation
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概要
- 論文の詳細を見る
It is important to predict the environment around the breathing human because inhalation of virus (avian influenza, human influenza, SARS) is recently severe worldwide problem. And air pollution caused by diesel emission particle (DEP) and asbestos attracts a great deal of attention, and their restrictions are becoming tight. In the present study, three-dimensional numerical simulation is carried out to predict the gas-particulate two-phase flows around breathing human and how suspended particulate matter (SPM, diameter ∼ 1 μm) reaches the human nose in inhalation and exhalation using Lagrange approach for particle motion and k-ε model for flows. Our research is a unique dealing with micro particle motions. Such small particles have great ability to affect our health in some case. In the calculation, the authors find out the smaller breathing angle and the closer distance between human nose and pollutant region are effective in the inhalation of SPM.
- 一般社団法人 日本機械学会の論文
著者
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Okubo Masaaki
Department Of Gastroenterology Fujita Health University School Of Medicine
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Yamamoto Toshiaki
Department Of Autonomous Systems Adaptive Communications Research Laboratories Advanced Telecommunic
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SHIMAZAKI Yasuhiro
Department of Mechanical Engineering, Osaka Prefecture University
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- Three-dimensional Numerical Simulation of Gas-Particulate Flow around Breathing Human and Particulate Inhalation