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Transport and Deposition of Elongated Particles in the Upper Airways

[+] Author Affiliations
L. Tian

SUNY Canton, Canton, NY

G. Ahmadi

Clarkson University, Potsdam, NY

Paper No. IMECE2011-65062, pp. 571-574; 4 pages
  • ASME 2011 International Mechanical Engineering Congress and Exposition
  • Volume 6: Fluids and Thermal Systems; Advances for Process Industries, Parts A and B
  • Denver, Colorado, USA, November 11–17, 2011
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5492-1
  • Copyright © 2011 by ASME


Transport and deposition of elongated particle and fibers have been of interest due to their pathological responses. In this work, the transport and deposition of elongated particles and ellipsoidal fibers were numerically simulated in a physiological realistic multi-level lung model. Detailed motion of the inhaled fibers and their interaction with the surrounding environment were reproduced by solving the system of coupled equations governing the elongated particles translational and rotational motions. Correlations between the deposition pattern, fiber characteristics, breathing rates, and airway morphology in human upper tracheobronchial airways were analyzed. The results were compared with experimental measurements, and good agreement was found.

Copyright © 2011 by ASME



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