Modeling Airflow and Particle Deposition in a Human Acinar Region

Figure 1

(a) Final assembled full alveolar model; (b) image of terminal conducting airways ending in an acinar region from a lung cast (source [45]); (c) image of fully alveolated airways from a lung cast (source [45]); (d) image of a lung airway sac (source [46] republished with permission of ASME and permission conveyed through Copyright Clearance Center, Inc.); (e) representative alveoli attached duct; and (f) change in lung volume for a 15 LPM breathing flow rate with inhalation period of 2 s, tidal volume of 500 ml, and the corresponding radial displacement vectors for the alveoli in each lung generations.