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
The understanding of complex inhalation and transport processes of pollutant particles
through the human respiratory system is important for investigations into dosimetry and …

[HTML][HTML] N95 respirator mask breathing leads to excessive carbon dioxide inhalation and reduced heat transfer in a human nasal cavity

H Salati, M Khamooshi, S Vahaji, FC Christo… - Physics of …, 2021 - pubs.aip.org
Face masks and respirators are used to filter inhaled air, which may contain airborne
droplets and high particulate matter (PM) concentrations. The respirators act as a barrier to …

Geometry and airflow dynamics analysis in the nasal cavity during inhalation

K Inthavong, J Ma, Y Shang, J Dong, ASR Chetty… - Clinical …, 2019 - Elsevier
Background A major issue among computational respiratory studies is the wide variety of
nasal morphologies being studied, caused by both inter-population and inter-subject …

Pressure distribution and flow dynamics in a nasal airway using a scale resolving simulation

J Van Strien, K Shrestha, S Gabriel, P Lappas… - Physics of …, 2021 - pubs.aip.org
Airflow through the nasal cavity exhibits a wide variety of fluid dynamic behaviors due to the
intricacy of the nasal geometry. The flow is naturally unsteady and perhaps turbulent …

Computational fluid-particle dynamics modeling of ultrafine to coarse particles deposition in the human respiratory system, down to the terminal bronchiole

ND Khoa, S Li, NL Phuong, K Kuga, H Yabuuchi… - Computer Methods and …, 2023 - Elsevier
Background and objectives Suspended respirable airborne particles are associated with
human health risks and especially particles within the range of ultrafine (< 0.1 μm) or fine (< …

Morphology of pig nasal structure and modulation of airflow and basic thermal conditioning

J Yuk, MMH Akash, A Chakraborty… - Integrative and …, 2023 - academic.oup.com
Mammals have presumably evolved to adapt to a diverse range of ambient environmental
conditions through the optimized heat and mass exchange. One of the crucial biological …

The impact of nasal adhesions on airflow and mucosal cooling–A computational fluid dynamics analysis

P Senanayake, H Salati, E Wong, K Bradshaw… - Respiratory Physiology …, 2021 - Elsevier
Nasal adhesions are a known postoperative complication following surgical procedures for
nasal airway obstruction (NAO); and are a common cause of surgical failure, with patients …

Comparative numerical simulation of inhaled particle dispersion in upper human airway to analyse intersubject differences

NL Phuong, ND Khoa, K Ito - Indoor and Built Environment, 2020 - journals.sagepub.com
This study predicted the total and regional deposition of particles in realistic upper human
airways and demonstrated the effects of intersubject variations in deposition fraction. Two …

Airflow and particle transport prediction through stenosis airways

P Singh, V Raghav, V Padhmashali, G Paul… - International journal of …, 2020 - mdpi.com
Airflow and particle transport in the human lung system is influenced by biological and other
factors such as breathing pattern, particle properties, and deposition mechanisms. Most of …

Air conditioning analysis among human nasal passages with anterior anatomical variations

J Ma, J Dong, Y Shang, K Inthavong, J Tu… - Medical engineering & …, 2018 - Elsevier
A major functional role of the nasal cavity is air conditioning of the inspired environmental air
to near alveolar conditions. It is well known that the anatomical disparities among nasal …