Reproducing a Section of the Earth's Atmospheric Surface Layer in Small Wind Tunnels for Studies on the Environmental Fate of Chemical Warfare Agents

Abstract : Vapor and contact hazard tracking with computer models is critical to the commander after a Chemical Warfare Agents (CWA) attack. The Agent Fate Program is providing the database of measurements for developing these hazard prediction models. Wind speed is one of the environmental variables controlling CWA volatilization. therefore. an accurate flow field over the CWA droplets or droplet wetted area had to be designed into small laboratory wind tunnels. The wind tunnel boundary-layer (BL) measurements with atmospheric BL theoretic al predictions and examples of CWA evaporation results will be presented in this summary.