Numerical analysis of respiratory flow patterns within human upper airway |
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| Authors: | Ying Wang Yingxi Liu Xiuzhen Sun Shen Yu Fei Gao |
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| Institution: | [1]State Key Laboratory of Structural Analysisfor Industrial Equipment, Dalian University of Technology,116024 Dalian, China [2]Department of Otorhinalaryngology,The Second Affiliated Hospital of Dalian Medical University,116027 Dalian, China |
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| Abstract: | A computational fluid dynamics (CFD) approach is used to study the respiratory airflow dynamics within a human upper airway. The airway model which consists of the airway from nasal cavity, pharynx, larynx and trachea to triple bifurcation is built based on the CT images of a healthy volunteer and the Weibel model. The flow characteristics of the whole upper airway are quantitatively described at any time level of respiratory cycle. Simulation results of respiratory flow show good agreement with the clinica... |
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| Keywords: | Upper airway Computational fluid dynamics Airflow distribution Resistance |
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