Gas & Pollutant Dispersion
How gases and pollutants travel on the wind, and where they accumulate.
Wind engineering study
What it is
Simulation of how gases and pollutants travel and accumulate through the urban wind field, mapping concentration and reach around a site. Used for industrial safety, environmental licensing and air-quality studies.
When you need it
When you handle, store or emit gases or pollutants near occupied areas and need to understand where a release travels, where it accumulates, how it dilutes and which zones are exposed - for safety cases and environmental licensing.
What we deliver
How we do it
Build a digital model of the site, the emission source and the surrounding buildings.
Run simulations of the wind field under representative atmospheric conditions.
Release the gas or pollutant and track its transport, accumulation, dilution and concentration.
Map exposure and risk zones to support safety and environmental requirements.
Real project
Gas dispersion - urban development
A gas dispersion study for an urban development served by a piped-gas network, simulating how a release travels through the surrounding wind field and where it accumulates - informing the safety case for the site layout.
Why you can trust our results
We are not a physical wind tunnel - we are a CFD specialist whose results are validated against wind tunnel measurements. AeroSim is an international reference in computational wind engineering.
Peer-reviewed
Published solver
JWEIA, 2026
Peer-reviewed: Oliveira Jr., W., et al. “Nassu: A high performance LES solver for computational wind engineering”. Journal of Wind Engineering & Industrial Aerodynamics, 274 (2026) 106465.
Other services
Have a project in development?
Request a quote and find out how we can help.
