Date of download: 12/29/2017 Copyright © ASME. All rights reserved. From: Contributions of Kinetic Energy and Viscous Dissipation to Airway Resistance in Pulmonary Inspiratory and Expiratory Airflows in Successive Symmetric Airway Models With Various Bifurcation Angles J Biomech Eng. 2017;140(1):011010-011010-13. doi:10.1115/1.4038163 Figure Legend: (a) Average wall shear stress and (b) airway resistance averaged for five different bifurcation angles for inspiration and expiration at the moderate flow rate (Qtrachea = 20 L/min). (c) Average wall shear stress and (d) airway resistance for inspiration at three different flow rates with the bifurcation angle 35 deg. (e) Average wall shear stress and (f) airway resistance for expiration at three different flow rates with the bifurcation angle 35 deg.