The effect of viscoelasticity in an airway closure model

ROMANO, Francesco; MURADOGLU, M.; FUJIOKA, H.; GROTBERG, J.B.

Article dans une revue avec comité de lecture

Auteur

ROMANO, Francesco
531216 Laboratoire de Mécanique des Fluides de Lille - Kampé de Fériet [LMFL]

MURADOGLU, M.
490017 Koç University

FUJIOKA, H.
424938 Tulane University

GROTBERG, J.B.
24332 University of Michigan [Ann Arbor]

URI

http://hdl.handle.net/10985/24486

DOI

10.1017/jfm.2020.1162

Date

2021-02

Journal

Journal of Fluid Mechanics

Résumé

Abstract

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Liquid plug formation in an airway closure model

Article dans une revue avec comité de lecture

ROMANÒ, Francesco; FUJIOKA, H.; MURADOGLU, M.; GROTBERG, J. B. (American Physical Society, 2019)

The closure of a human lung airway is modeled as an instability of a two-phase flow in a pipe coated internally with a Newtonian liquid. For a thick enough coating, the Plateau-Rayleigh instability creates a liquid plug ...
Splitting of a three-dimensional liquid plug at an airway bifurcation

Article dans une revue avec comité de lecture

FUJIOKA, Hideki; ROMANO, Francesco; MURADOGLU, Metin; GROTBERG, James B. (AIP Publishing, 2022-08)

Employing the moving particles' semi-implicit (MPS) method, this study presents a numerical framework for solving the Navier–Stokes equations for the propagation and the split of a liquid plug through a three-dimensional ...
Capillary instability of a two-layer annular film: an airway closure model

Article dans une revue avec comité de lecture

ERKEN, O.; ROMANO, Francesco; GROTBERG, J.B.; MURADOGLU, M. (Cambridge University Press (CUP), 2022-01)

Capillary instability of a two-layer liquid film lining a rigid tube is studied computationally as a model for liquid plug formation and closure of human airways. The two-layer liquid consists of a serous layer, also called ...
Propagation and rupture of elastoviscoplastic liquid plugs in airway reopening model

Article dans une revue avec comité de lecture

BAHRANI, S. Amir; HAMIDOUCHE, Souria; MOAZZEN, Masoud; SECK, Khady; DUC, Caroline; MURADOGLU, Metin; GROTBERG, James B.; ROMANO, Francesco (Elsevier BV, 2022-02)

The propagation and rupture of mucus plugs in human lungs is investigated experimentally by injecting synthetic mucus in a pre-wetted capillary tube. The rheology of our test liquid is thoroughly characterized, and four ...
Effects of elastoviscoplastic properties of mucus on airway closure in healthy and pathological conditions

Article dans une revue avec comité de lecture

ERKEN, O.; FAZLA, B.; MURADOGLU, M.; IZBASSAROV, D.; ROMANO, Francesco; GROTBERG, J. B. (American Physical Society (APS), 2023-05)

Airway mucus is a complex material with both viscoelastic and viscoplastic properties that vary with healthy and pathological conditions of the lung. In this study, the effects of these conditions on airway closure are ...