Oxygen transport in lung’s models.

Models of large bronchi and acinus.

Simulation of the air flow in an airway tree;
oxygen is convected by air flow.
(color = norm of velocity, increasing from blue to red)
video

Simulation of oxygen convection-diffusion in an acinus model
(geometry by H. Kitaoka).
(color = oxygen concentration increasing from blue to red)
video

References:

Interplay between optimal ventilation and gas transport in a model of the human lung.
F. Noël and B. Mauroy,
Frontiers in Physiology (10) 488, 2019.
3D Hydronamics in the upper human bronchial tree: interplay between geometry and flow distribution.
B. Mauroy
Fractals in Biology and Medicine, vol IV, Birkhauser, 2005.
Hydrodynamique dans le poumon, relations entre flux et géométries.
B. Mauroy.
PhD thesis, ENS Cachan, 5 July 2004.
Reply to J.P. Butler and A. Tsuda.
B. Mauroy, M. Filoche, J. S. Andrade Jr., and B. Sapoval.
Physical Review Letters, 93, 049802 1-1, 22 July 2004
Interplay between geometry and flow distribution in an airway tree.
B. Mauroy, M. Filoche, J. S. Andrade Jr., and B. Sapoval.
Physical Review Letters, 90, 148101 1-4, 11 April 2003.