Exposure Assessment of Air Pollution in Lungs

被引:3
|
作者
Paul, Akshoy Ranjan [1 ]
Jain, Anuj [1 ]
Saha, Suvash C. [2 ]
机构
[1] Motilal Nehru Natl Inst Technol Allahabad, Dept Appl Mech, Prayagraj 211004, India
[2] Univ Technol Sydney, Fac Engn & Informat Technol, Sch Mech & Mechatron Engn, Sydney, NSW 2007, Australia
关键词
air pollution; exposure assessment; human airways; respiratory suspended particulate matter (RSPM); regional deposition fraction (RDF); HUMAN NASAL CAVITY; PARTICLE DEPOSITION; CFD SIMULATION; MICROPARTICLE DEPOSITION; INSPIRATORY FLOW; DRUG-DELIVERY; TRANSPORT; HEALTH;
D O I
10.3390/atmos13111767
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
In this article, a comprehensive literature survey on air pollution and its effects on the human respiratory system is carried out. Based on the knowledge gaps, a computational assessment is proposed to find the impact of air quality on respiratory suspended particulate matter (RSPM) deposition in the human airways. A realistic 3D geometric model of the human airway was constructed to study the airflow characteristics and RSPM (PM2.5 and PM10) transport and deposition in it for normal and moderate inhalation patterns (corresponding to natural breathing) of air having an unhealthy air quality index (AQI). The results identify inertial impact as the primary mechanism of particle deposition in the human airways. They also reveals the significant differences in the deposition patterns of PM2.5 and PM10 in the right and left bronchial airways.
引用
收藏
页数:21
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