Dosages from instantaneous releases of dense gases in wind tunnels and into a neutrally stable atmosphere |
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| Authors: | Winston L Sweatman P C Chatwin |
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| Institution: | (1) Department of Mathematics, Napier University, 219, Colinton Road, EH14 1DJ Edinburgh, UK;(2) School of Mathematics and Statistics, University of Sheffield, S3 7RH Sheffield, UK |
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| Abstract: | We study the doses generated by instantaneously released dense gas clouds. The dose is of practical importance since it is widely used as a measure of the harmful effect of an exposure. We take the doses from wind-tunnel experimental data. We extend from Davies' (1992) work to show that for later times after release the dose across repeat experiments may be fitted with a lognormal distribution. A simple box model is constructed from the dataset. It produces a reasonable model under some of the experimental conditions. We show how to use the repeats of experiments to produce a representative model. |
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| Keywords: | Turbulent diffusion dose lognormal model box model |
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