From indoor exposure to inhaled particle deposition: A multiphase journey of inhaled particles

K Inthavong - Experimental and computational multiphase flow, 2020 - Springer
Indoor air quality and its effect on respiratory health are reliant on understanding the level of
inhalation exposure, particle inhalability, and particle deposition in the respiratory airway. In …

In silico approaches to respiratory nasal flows: A review

K Inthavong, P Das, N Singh, J Sznitman - Journal of biomechanics, 2019 - Elsevier
The engineering discipline of in silico fluid dynamics delivers quantitative information on
airflow behaviour in the nasal regions with unprecedented detail, often beyond the reach of …

Identification of probabilistic size of breathing zone during single inhalation phase in semi-outdoor environmental scenarios

I Abouelhamd, K Kuga, SJ Yoo, K Ito - Building and Environment, 2023 - Elsevier
This study investigates outdoor public health by predicting the airflow fields and probabilistic
size of breathing zones. Computational fluid dynamics (CFD) simulations were performed in …

An improved numerical model for epidemic transmission and infection risks assessment in indoor environment

Y Shang, J Dong, L Tian, F He, J Tu - Journal of Aerosol Science, 2022 - Elsevier
Social distance will remain the key measure to contain COVID-19 before the global
widespread vaccination coverage expected in 2024. Containing the virus outbreak in the …

Breathing zone and exhaled air re‐inhalation rate under transient conditions assessed with a computer‐simulated person

K Kuga, P Wargocki, K Ito - Indoor Air, 2022 - Wiley Online Library
The breathing zone of an individual indoors is usually defined as a finite region steadily
formed in front of a face. Assuming the steady formation of the breathing zone, we propose a …

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 …

Impact of human micro-movements on breathing zone and thermal plume formation

H Park, SJ Yoo, K Kuga, E Sumiyoshi… - Building and …, 2024 - Elsevier
To enhance the realism and precision of indoor environment assessments and the
evaluation of human health risks using computational fluid dynamics (CFD), it is crucial to …

Examining mesh independence for flow dynamics in the human nasal cavity

K Inthavong, A Chetty, Y Shang, J Tu - Computers in Biology and Medicine, 2018 - Elsevier
Increased computational resources provide new opportunities to explore sophisticated
respiratory modelling. A survey of recent publications showed a steady increase in the …

Detailed computational analysis of flow dynamics in an extended respiratory airway model

Y Shang, J Dong, L Tian, K Inthavong, J Tu - Clinical biomechanics, 2019 - Elsevier
Background Understanding respiratory physiology can aid clinicians in diagnosing the
cause of respiratory symptoms or shed light on drug delivery inhaler device optimisation …

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 …