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Journal of Visualization

, Volume 12, Issue 3, pp 259–266 | Cite as

Investigation on the respiratory airflow in human airway by PIV

  • Kim S. K. Email author
  • Chung S. K. 
Regular Paper

Abstract

The creation of the accurate transparent flow passage is essential to analyze the flow inward a geometrically complex flow passage like human airway by PIV. We established the procedure to create a transparent box containing a model of the human airway for PIV measurements. A flow passage includes the whole human upper airway, nasal cavities, larynx, trachea, and 2 generations of bronchi. The phase averaged mean and RMS velocity distributions in sagittal and coronal planes are obtained for 7 phases in a respiratory period by tomographic PIV. Some physiologic conjectures are obtained. The main stream went through the backside of larynx and trachea in inspiration and the frontal side in expiration.

Keywords

Tomographic PIV Biomedical flow Human airway CT Physical Model 

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Copyright information

© The Visualization Society of Japan 2009

Authors and Affiliations

  1. 1.Department of Mechanical EngineeringKonkuk UniversitySeoulKorea
  2. 2.Department of Otorhinolaryngology-Head & Neck SurgerySungkyunkwan University, School of Medicine, Samsung Medical CenterSeoulKorea

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