… the geometry of the airways on the characterization of exhalation flows. Comparison between two different airway complexity levels performing two different breathing …

FA Berlanga, L Liu, PV Nielsen, RL Jensen… - Sustainable Cities and …, 2020 - Elsevier
… to simulate exhalation flows. This study presents a comparison between two different airway
… (RA) in performing two different exhalation patterns corresponding to two different female …

Effects of oral airway geometry characteristics on the diffusional deposition of inhaled nanoparticles

J Xi, PW Longest - 2008 - asmedigitalcollection.asme.org
… It is observed that little difference occurs in deposition between the inhalation flow rates of
Q in = 30 l ∕ min and 60 l ∕ min ⁠. This similarity in deposition is likely because a reduction …

The effects of geometry on airflow in the acinar region of the human lung

H Kumar, MH Tawhai, EA Hoffman, CL Lin - Journal of biomechanics, 2009 - Elsevier
… that flow in the presence of wall motion is characterized by … topological differences in cavity
result in significant differences in … flow in the eight peripheral generations of the human airway

[HTML][HTML] A computational study of the respiratory airflow characteristics in normal and obstructed human airways

B Sul, A Wallqvist, MJ Morris, J Reifman… - Computers in biology and …, 2014 - Elsevier
… Our results quantify differences in airflow characteristics due … In the obstructed airway
geometries, we constricted some of the … marked differences and distinct characteristics in flow

In Vitro Experiments and Numerical Simulations of Airflow in Realistic Nasal Airway Geometry

C Croce, R Fodil, M Durand, G Sbirlea-Apiou… - Annals of biomedical …, 2006 - Springer
… The realistic character of the nasal airway model has been … for flow rate above 250 ml/s, ie,
for any breathing more … computation by comparing the pressure–flow relationships measured …

Effects of differences in nasal anatomy on airflow distribution: a comparison of four individuals at rest

RA Segal, GM Kepler, JS Kimbell - Annals of biomedical engineering, 2008 - Springer
… inhaled gases and particles in the respiratory tract. This study used … Cross-sectional flow
allocation analysis also indicated inter-… the geometry as the only variable and to fix the flow rate …

A review of respiratory anatomical development, air flow characterization and particle deposition

MS Islam, G Paul, HX Ong, PM Young, YT Gu… - International journal of …, 2020 - mdpi.com
… airflow characterisation in a whole lung model; (iii) to compareairways predicted by different
models, including the effects of … a complex geometrical structure and airway dimensions are …

Influence of Morphological Parameters on the Flow Development within Human Airways

AS Espinosa-Moreno, CA Duque-Daza… - Fluids, 2023 - mdpi.com
… during inhalation and exhalation were performed using synthetic bifurcation models. Geometries
for the airways … The comparative analysis performed in this study further deepens the …

Characterization of exhaled particles from the human lungs in airway obstruction

K Schwarz, H Biller, H Windt, W Koch… - Journal of aerosol …, 2015 - liebertpub.com
… change the number of exhaled particles, when compared with … by the changes of geometry
in the terminal airways, as well … of the effect of turbulent flow, introduced by airway narrowing …

[HTML][HTML] The effects of curvature and constriction on airflow and energy loss in pathological tracheas

AJ Bates, R Cetto, DJ Doorly, RC Schroter… - Respiratory physiology …, 2016 - Elsevier
airways affected by goitres (with differing geometric consequences) and a normal geometry
for comparison… depth analysis of geometric factors that are important for breathing mechanics …