Abstract
The peripheral airways of the lung are deformable and are lined with a thin layer of liquid. Here we examine how surface tension and bending stresses together determine the equilibrium configurations of an airway, which we model as an axially uniform, liquid-lined elastic tube. Conditions are identified under which capillary forces can induce collapse and flooding of the airway. We then describe the large-time asymptotics of unsteady liquid-lining flows within deformed airways and on other surfaces of prescribed nonuniform curvature.
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© 2001 Springer Science+Business Media Dordrecht
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Rosenzweig, J., Jensen, O.E. (2001). Long-Time Draining of Thin Liquid Films in Buckled Lung Airways. In: King, A.C., Shikhmurzaev, Y.D. (eds) IUTAM Symposium on Free Surface Flows. Fluid Mechanics and Its Applications, vol 62. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-0796-2_32
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DOI: https://doi.org/10.1007/978-94-010-0796-2_32
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-3854-6
Online ISBN: 978-94-010-0796-2
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