4.5. Toxic Dispersion and HVAC Design

4.5.1. Research

CFD modeling provides valuable information in terms of safety in the dispersion of toxic gas in complex environments, either in outdoor environment such as in urban areas with multiple obstacles and building structures, or indoor environment with complex flow direction. There are multiple challenges associated with this type of modeling, such as the requirement of accurate presentation of complex geometries, the type of toxic materials, the release sources, the environmental factors, the interaction between toxic materials flow and obstacles, the possible reactions with atmospheric gases or moisture, the possibility of condensation, the dispersion in extreme weather conditions or under ...

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