Numerical study on temporal and spatial distribution of particulate matter under multi-vehicle working conditions

C Liu, W Nie, C Luo, Y Hua, F Yu, W Niu… - Science of The Total …, 2023 - Elsevier
The high growth in the use of underground diesel vehicles has led to a large number of
exhaust pollutants, especially particulate matter (PM), which is a serious threat to the lives …

Validating CFD modelling of ship plume dispersion in an urban environment with pollutant concentration measurements

C Boikos, P Siamidis, S Oppo, A Armengaud… - Atmospheric …, 2024 - Elsevier
Air pollution in urban areas constitutes a global environmental problem, with shipping being
one major contributor to hazardous pollutants in harbour areas. This work concerns the …

Airborne transmission of exhaled pollutants during short-term events: Quantitatively assessing inhalation monitor points

X Li, CM Mak, Z Ai, HM Wong - Building and Environment, 2022 - Elsevier
The infection risk assessment associated with the contaminant inhalation can provide a
scientific basis for formulating mitigation measures. Previous studies on the breathing zone …

Airborne transmission during short-term events: Direct route over indirect route

X Li, Z Ai, J Ye, CM Mak, HM Wong - Building Simulation, 2022 - Springer
Numerous short-term exposure events in public spaces were reported during the COVID-19
pandemic, especially during the spread of Delta and Omicron. However, the currently used …

Modeling the long-range transmission of airborne bioaerosol releases in a high-density urban environment

Z Dong, Z Liu, C Hu, Y Jin, C Ye, Y He, R Rong - Urban Climate, 2024 - Elsevier
In this study, the effect of different meteorological conditions in four seasons on the flow field
in a high-density urban environment was examined using numerical simulations. The effect …

Adaptive wildfire spread prediction for complex terrain: modeling the effectiveness of sprinkler systems

J Kim, J Ahn, J Kang - Fire Ecology, 2024 - Springer
Background Because the threat of wildfires to global ecosystems and society continues to
rise, this study provides an experimental simulation framework that assesses the spread and …

[HTML][HTML] Performance of fast fluid dynamics with a semi-Lagrangian scheme and an implicit upwind scheme in simulating indoor/outdoor airflow

W Liu, H Sun, D Lai, Y Xue, A Kabanshi, S Hu - Building and Environment, 2022 - Elsevier
Computational fluid dynamics can be time consuming for predicting indoor airflows and
pollutant transport in large-scale problems or emergency management. Fast fluid dynamics …

An extended SST k− ω framework for the RANS simulation of the neutral Atmospheric Boundary Layer

M Bellegoni, L Cotteleer, SKR Srikumar… - … Modelling & Software, 2023 - Elsevier
Abstract The use of Computational Fluid Dynamics (CFD) for environmental studies is
continuously growing. In this context, simulations are usually carried out solving Reynolds …

Performance evaluation of the RANS models in predicting the pollutant concentration field within a compact urban setting: Effects of the source location and turbulent …

MR Kavian Nezhad, CF Lange, BA Fleck - Atmosphere, 2022 - mdpi.com
Computational Fluid Dynamics (CFD) is used to accurately model and predict the dispersion
of a passive scalar in the atmospheric wind flow field within an urban setting. The Mock …

Experimental investigation of flow characteristics around tandem arrangement of triangular and square cylinders

P Niegodajew, K Gajewska, W Elsner… - Journal of Fluids and …, 2024 - Elsevier
The paper presents an experimental investigation of the flow around two bluff bodies in a
tandem arrangement. Two different configurations were investigated. The first one concerns …