Abstract
A theoretical model is developed to investigate the dynamic characteristics of a healthy and an occluded asymmetric respiratory system. The model takes the elastance and inertance of the airway walls into consideration. Frequency spectra of the input impedance determined at the throat are generated and examined for two regimes of airway terminations and for occlusion at each generation from the end terminal (alveolar sacs) up to the proximal end of the trachea. In the asymmetric arrangement the impact of merging dissimilar flows due to different airways geometry from the adjacent regions is considered. Further, the effect of the nature of the terminal impedance (i.e. rigid termination or compliant termination) on the acoustic response is also investigated.
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