Statistical characteristics of instantaneous dense gas clouds released in an atmospheric boundary-layer wind tunnel |
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Authors: | Robert N. Meroney Achim Lohmeyer |
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Affiliation: | (1) Fluid Mechanics and Wind Engineering Program, Civil Engineering Department, Colorado State University, 80523 Fort Collins, CO, USA;(2) Karlsruhe, B.R.D. |
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Abstract: | Wind tunnel experiments were performed to examine the behavior of suddenly released volumes of dense gas in a turbulent shear layer. Instantaneous concentrations were measured with hot-wire katherometers. Multiple replications of each cloud volume, density, and velocity combination produced statistics for plume arrival time, arrival of maximum concentration time, plume departure time, and maximum concentrations. Probability distributions and standard deviations of each plume property permit prediction of hazard risks. |
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