With the rapid growth of populations worldwide, air quality has become an increasingly
important issue related to the health and safety of city inhabitants. There are quite a few …

Modern society is confronted with emerging threats from chemical, biological, and
radiological (CBR) hazardous substances, which are intensively utilized in the chemical …

Turbulent flows in the inertial sublayer (ISL) and the roughness sublayer (RSL) are highly
complicated by real urban surfaces with various building heights and scales. This study …

Airflow and traffic pollutant dispersion characteristics within street canyons are complicated
due to buoyancy forces induced by uneven thermal environments. This study investigates …

Computational fluid dynamics (CFD) is used to simulate the short-range dispersion of
radionuclides in a real nuclear power plant site. Firstly, the results of the validation case …

Despite extensive research on the effect of atmospheric stability, the influence of convective
rolls and thermal plumes in convective boundary layer (CBL) on urban winds and turbulence …

This study investigates the influence of urban morphology and wind direction on the
dispersion of hazardous gases from chemical plants located near residential areas …

Few studies have reported that the correlation between flow and diffusion characteristics at
different spatial scales in urban areas is affected by atmospheric stability conditions. This …

This work studied the effects of roughness on the transport of passive scalars, narrowing the
gap in knowledge between scalar and momentum transport. Numerical simulations were …

This study uses the computational fluid dynamics (CFD) method to investigate the effects of
the depth-width ratio of a three-dimensional street valley and wind velocity on the flow field …