Overview of Petroleum Environmental Research Forum (PERF) dense gas dispersion modeling project |
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Institution: | 1. Life Science Department, Yunnan Normal University, Kunming 650500, China;2. Germplasm Bank of Wild Species, Kunming Institute of Botany of the Chinese Academy of Sciences, Kunming 650201, China;3. BGI-Yunnan, BGI-Shenzhen, Kunming 650106, China |
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Abstract: | This paper provides a background for and an overview of the results of a comprehensive study of transport and dispersion of dense gas plumes over rough surfaces typical of industrial sites. The Petroleum Environmental Research Forum (PERF) 93-16 project involved model development and evaluations using observations from three wind tunnels and from the Kit Fox field experiment. Detailed discussions of the results of the research are given in the other papers in this special issue. The wind tunnel experiments produced data showing that the resulting best-fit vertical entrainment formula was close to (i.e., within about 30%) the vertical entrainment formulas already in use by current models, which were derived primarily from observations over smooth surfaces. Observations from the Kit Fox field experiment demonstrated the validity of the entrainment curves derived from the wind tunnel data. The Kit Fox data were also used to evaluate algorithms for along-wind dispersion and cloud advection speeds for short-duration releases typical of an industrial site, and to evaluate the HEGADAS dense gas dispersion model. |
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