NDLI: Simulation of stenosis effect on airflow pattern in trachea and main bronchi

Content Provider	IEEE Xplore Digital Library
Author	Salleh, Z.M. Johari, N.H. Osman, K. Haron, J. Rafiq, M.
Copyright Year	2010
Description	Author affiliation: Department of Radiology, Hospital Universiti Sains Malaysia, 16150 Kubang Kerian, Kelantan, Malaysia (Haron, J.) \|\| Faculty of Mechanical Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia (Osman, K.; Rafiq, M.) \|\| Faculty of Mechanical and Manufacturing Engineering, Universiti Tun Hussein Onn Malaysia, 86400 Batu Pahat, Johor, Malaysia (Salleh, Z.M.) \|\| Faculty of Mechanical Engineering, Universiti Malaysia Pahang, 26600 Pekan, Malaysia (Johari, N.H.)
Abstract	Tracheal stenosis is a condition where the diameter size of trachea wall decreases and leads to the obstruction of the breathing airflow. Investigation on the effect of the stenosis to the airflow pattern in the trachea and main bronchi is the objective for this study. CT-scan images of two airways models were modeled, one with the stenosis and one without. Numerical solution was used to study the airway pattern inside the airway. Different boundary conditions of inspirations flow rate were applied; 15 l/min, 60 l/min and 100l/min where the ratio for the right main bronchus is 55% and for the left main bronchus is 45%. The results showed that the pressure drop inside the stenosis model is higher compared to that of healthy model. The pressure drop was also shown to interrupt the inlet condition into the main bronchi.
Starting Page	341
Ending Page	346
File Size	1359810
Page Count	6
File Format	PDF
ISBN	9781424489879
e-ISBN	9781424489862
DOI	10.1109/CSSR.2010.5773796
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-12-05
Publisher Place	Malaysia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Main bronchi Atmospheric modeling Computational modeling Lungs Humans CT-scan images Bifurcation Boundary conditions Simplified model and respiratory system Trachea
Content Type	Text
Resource Type	Article

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