Simulation of indoor cigarette smoke particles in a ventilated room
| العنوان: | Simulation of indoor cigarette smoke particles in a ventilated room |
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| المؤلفون: | Yunfei Song, Guoqing Zhang, Jiayue Wang, Hongbin Chen, Shengnan Shen, Yicang Huang, Quan Yang, Hui Li, Wei Wei |
| المصدر: | Air Quality, Atmosphere & Health. 14:1837-1847 |
| بيانات النشر: | Springer Science and Business Media LLC, 2021. |
| سنة النشر: | 2021 |
| مصطلحات موضوعية: | Smoke, Atmospheric Science, Inhalation, Health, Toxicology and Mutagenesis, Management, Monitoring, Policy and Law, Pollution, law.invention, Human health, Animal science, Air change, law, Ventilation (architecture), Environmental science, Cigarette smoke, Particle |
| الوصف: | Smoking indoors generally exists in daily life, and highlighting the importance of reducing the hazard from smoke particles to non-smoking occupants is crucial. To quantitatively investigate the flow characteristics in a ventilated room, a computational fluid dynamics (CFD) method is used to assess the velocity, concentration, and inhalation levels of indoor particles using a manikin with a realistic upper respiratory tract. It realizes smoke particles’ diffusion simulation from room scale to human upper respiratory tract scale. An experiment is also performed to measure PM2.5 concentrations. With the increase of a high air change rate per hour (ACH) from zero to 12.32 and 17.14, the indoor particle concentration reduces by 58.5% and 67.9%, the number of inhaled particles decreases by 22.9% and 43.8%, and the particle concentration around the occupant decreases by 10.3% and 17.5%, respectively. It shows that indoor ventilation has a drastic effect on flow characteristics, particle concentrations, and particle outcomes. ACH of 17.14 is found to significantly reduce the particle concentration around the occupant and decrease the number of smoke particles inhaled and remaining indoors. It indicates that the ventilation equipment can reduce the number of smoke particles in the room. There are still 41.3% and 31.9% particles remaining in the room when the ACH is 12.32 and 17.14, which does harm to human health. |
| تدمد: | 1873-9326 1873-9318 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_________::1fb821d89c61571e48929b833166d97b https://doi.org/10.1007/s11869-021-01057-z |
| حقوق: | CLOSED |
| رقم الأكسشن: | edsair.doi...........1fb821d89c61571e48929b833166d97b |
| قاعدة البيانات: | OpenAIRE |
Find this article in full text from Springer Verlag. | تدمد: | 18739326 18739318 |
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