(54cj) Improved Along-Wind Dispersion Coefficient Model from Field and Wind Tunnel Data
AIChE Spring Meeting and Global Congress on Process Safety
2018
2018 Spring Meeting and 14th Global Congress on Process Safety
Global Congress on Process Safety
GCPS Poster Session
Monday, April 23, 2018 - 5:00pm to 7:00pm
Modeling the effects of along-wind dispersion is particularly important for instantaneous, finite-duration, and time-varying releases of hazardous, toxic, or flammable materials. Current models can under or over predict the along-wind dispersion coefficient, σx, by a factor of 100, resulting in poor assessment of the consequences of a hazardous chemical release. Past field trial and wind tunnel data has been analyzed to improve the parameterization of σx. An ongoing experimental program studying finite duration releases of neutrally buoyant gasses released from a ground-level, area source in a wind tunnel is underway to improve how finite duration releases are modeled.
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