期刊
COMPUTERS IN BIOLOGY AND MEDICINE
卷 42, 期 1, 页码 39-49出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.compbiomed.2011.10.005
关键词
Human Upper Airway; Micro-particle; Nano-particle; CFD
A computational model was developed for studying the flow field and particle deposition in a human upper airway system, including: nasal cavity, nasopharynx, oropharynx, larynx and trachea. A series of coronal CT scan images of a 24 year old woman was used to construct the 3D model. The Lagrangian and Eulerian approaches were used, respectively, to find the trajectories of micro-particles and concentration of nano-particles. The total and regional deposition fractions of micro/nanoparticles were evaluated and the major hot spots for the deposition of inhaled particles were found. (C) 2011 Elsevier Ltd. All rights reserved.
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