Search The Directory The Web for Home > Science > Environment > Air Quality > Air Dispersion Modeling > Software New! Submit a site   whatUseek Directory Site Listings:   The Oklahoma Dispersion Model - A simple model developed at the Oklahoma State University (in the USA) to assess the atmosphere's ability to disperse gases and particulates released at near ground level. The focus of the model is to evaluate downwind pollutant concentrations at distances of 1/4 mile to 2 miles (although greater distances would apply).   The PHAST Software - Developed by Det Norske Veritas (DNV) of Oslo, Norway, the PHAST software includes: a unified dispersion model (UDM) for various accidental releases; modeling of Bleves, jet fires, pool fires and vapor cloud explosions; handling of multicomponent mixtures; and an online help system. Upgrades and technical support are provided.   The PlantSafe System - Developed by GeoSphere Systems located in Doylestown, Pennsylvania, USA, the PlantSafe System is a rapid decision-support tool for managing a variety of critical situations including accidental releases and similar plant emergencies. It includes an air dispersion model called QuikPlume.   The RAPTAD model - Developed at the Sandia National Laboratory (located in Albuquerque, New Mexico, USA), RAPTAD is a three dimensional Langragian air dispersion model for use in complex terrain. It can be used for either buoyant or dense gas plumes.   The RITE Emergency Response System - The RITE Emergency Response is a collection of tools and weather models designed to assist emergency response personnel in predicting the flow and dispersion of toxic releases into the atmosphere. It incorporates 3D wind field and air dispersion models, developed by ARIA Technologies of France, as well as site-specific topographic data.   The SAFE-AIR System - The system, developed in Italy and distributed by FiatLux Publications of Fremont, California, has two parts: a meteorological preprocessor to compute the wind field; and a Gaussian dispersion model modified to more accurately simulate both non-stationary and non-homogeneous conditions. FiatLux Publications is a partner of The Envirocomp Institute, an Internet-based network of environmental scientists and engineers.   The SLAB model - This software models the dispersion of dense gas releases from an evaporating pool, a horizontal jet, a vertical jet, or an instantaneous volume source. The dispersion is calculated from the conservation equations of mass, momentum, energy, and species. The conservation equations are spatially averaged to treat the cloud as either a continuous plume, a transient puff, or a combination of the two depending on the release duration. SLAB was developed by the USA's Lawrence Livermore National Laboratory.   The Sophware Group - Based in Toronto, Canada, the Sophware Group develops and markets a range of environmental software, including the sophMOD dispersion modeling workbench for many of the US EPA and Ontario dispersion models.   The TRACE Software - Developed by Safer Systems L.L.C. of Camarillo, California, the TRACE software includes: source terms for time-varying and for steady flow releases; dispersion modeling for buoyant and for dense plumes; and modeling fires and explosions such as Bleves, pool fires, jet fires and flash fires. Technical support and training are available.   Xavier's Online Gaussian Dispersion Model - An online Gaussian dispersion model developed by Xavier Morales, a Ph.D. candidate in the City and Regional Planning Department at Cornell University in Ithaca, New York.   YSA Atmospheric Modeling - Yamada Science & Art Corporation (YSA), located in Santa Fe, New Mexico, USA, specializes in computer modeling of atmospheric airflows and the dispersion of airborne materials over complex terrain. YSA developed, markets, and provides user support for the three-dimensional atmospheric models HOTMAC and RAPTAD.     [ 1 2 3 ] Help build the largest human-edited directory on the web.   Submit a Site - Open Directory Project - Become an Editor

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