An Experimental Study of Velocity Distribution in a Human Lung Cast

[+] Author and Article Information
A. L. Patra, E. M. Afify

Department of Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, N.C. 27650

J Biomech Eng 105(4), 381-388 (Nov 01, 1983) (8 pages) doi:10.1115/1.3138436 History: Received May 26, 1982; Revised May 15, 1983; Online June 15, 2009


A mechanical lung model with branching up to five generations, developed from an actual human lung, is used to study experimentally the velocity profiles in the trachea and the main branches. Three different flow rates representing light, medium, and heavy breathings have been simulated for both inhalation and exhalation. The velocity profiles, except for the one in the trachea in the frontal direction due to exhalation, are in good agreement with the velocity profiles in simplified models of published literature.

Copyright © 1983 by ASME
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