Accidental releases of Hydrogen Fluoride (HF) can result in initially dense gas clouds that will typically contain a mixture of gases, aerosols and droplets which can be transported significant distances before lower hazard levels of HF concentration are reached. Containment fences, vapor barriers, and water-spray curtains have been proposed as a means to hold-up or delay cloud expansion, elevate the plume downwind of the barriers, enhance cloud dilution,...

Wind-tunnel transient concentration data were obtained from modeling tests which reproduced gaseous dispersion from five different forty cubic meter or less liquefied natural gas (LNG) spills performed at China Lake Naval Weapons Center. Comparisons in the transient concentration data between these modeled tests and the field tests indicated which parameters are dominant in the modeling process. Model tests which reproduced the wind shear and turbulence...