How nanoparticle aerosols transport through multi-stenosis sections of upper airways: A CFD-DPM modelling

MR Islam, P Larpruenrudee, MM Rahman, S Ullah… - Atmosphere, 2022 - mdpi.com
Airway stenosis is a global respiratory health problem that is caused by airway injury,
endotracheal intubation, malignant tumor, lung aging, or autoimmune diseases. A precise …

Effect of morphology on nanoparticle transport and deposition in human upper tracheobronchial airways

Y Shang, L Tian, Y Fan, J Dong… - The Journal of …, 2018 - journals.sagepub.com
Aerosol transport and deposition in human lungs has attracted considerable attention in the
past few years, as it has significant value to the study of toxicity consequence as well as …

Computational analysis of airflow and nanoparticle deposition in a combined nasal–oral–tracheobronchial airway model

Z Zhang, C Kleinstreuer - Journal of Aerosol Science, 2011 - Elsevier
In light of the exponentially increasing industrial production and consumer use of ultrafine
particles, deposition in the human lung is of great environmental and biomedical concern …

Numerical study of nanoscale and microscale particle transport in realistic lung models with and without stenosis

MM Rahman, M Zhao, MS Islam, K Dong… - International Journal of …, 2021 - Elsevier
The transport and deposition (TD) of inhaled aerosol particles in airways of human lungs are
important for therapeutically targeted drug delivery in respiratory tracts. The airflow and …

[HTML][HTML] Nanoparticle transport and deposition in a heterogeneous human lung airway tree: An efficient one path model for CFD simulations

MM Rahman, M Zhao, MS Islam, K Dong… - European Journal of …, 2022 - Elsevier
Understanding nano-particle inhalation in human lung airways helps targeted drug delivery
for treating lung diseases. A wide range of numerical models have been developed to …

Airflow structures and nano-particle deposition in a human upper airway model

Z Zhang, C Kleinstreuer - Journal of computational physics, 2004 - Elsevier
Considering a human upper airway model, or equivalently complex internal flow conduits,
the transport and deposition of nano-particles in the 1–150 nm diameter range are simulated …

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

J Xi, PW Longest - 2008 - asmedigitalcollection.asme.org
The deposition of ultrafine aerosols in the respiratory tract presents a significant health risk
due to the increased cellular-level response that these particles may invoke. However, the …

Numerical and experimental study on the deposition of nanoparticles in an extrathoracic oral airway model

F Krause, A Wenk, C Lacor, WG Kreyling… - Journal of Aerosol …, 2013 - Elsevier
We studied the transport and deposition of quasi-monodisperse nanoparticles (with mobility
diameter dm ranging from 1nm to 52nm) inside an extrathoracic airway model (which …

Simulation of the effect of local obstructions and blockage on airflow and aerosol deposition in central human airways

A Farkas, I Balashazy - Journal of Aerosol Science, 2007 - Elsevier
Investigation of the effect of sidewall and carinal tumours, airway constrictions and airway
blockage on the inspiratory airflow and particle deposition in the large central human …

Characterization of regional and local deposition of inhaled aerosol drugs in the respiratory system by computational fluid and particle dynamics methods

Á Farkas, I Balásházy, K Szőcs - Journal of aerosol medicine, 2006 - liebertpub.com
The present work describes the local deposition patterns of therapeutic aerosols in the
oropharyngeal airways, healthy and diseased bronchi and alveoli using computational fluid …