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Pool evaporation : Experimental tests at medium-scale with gasoline

Abstract : Pool evaporation is a major source of flammable vapour clouds. Predicting the evaporation rate of a liquid hydrocarbon pool is therefore a key issue of dispersion modelling for safety concerns. This paper presents small- and medium-scale experiments of pool evaporation carried out with liquid hydrocarbons (pentane, heptane), hydrocarbon “gasoline-like” mixtures and gasoline. Liquid mass loss was measured and the evaporation rate deduced with its evolution in time. Other observations are highlighted, regarding the evolution of liquid temperatures, mixture compositions, and scale effects like the influence of pool length on surface evaporation rate. Comparisons with well-known correlations are then shown. The authors finally suggest a new semi-empirical correlation with a set of parameters fitted on the performed experiments.
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https://hal-ineris.archives-ouvertes.fr/ineris-03318126
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Submitted on : Monday, August 9, 2021 - 12:07:58 PM
Last modification on : Tuesday, August 10, 2021 - 3:10:14 AM

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Thibauld Penelon, Véronique Debuy, Benjamin Truchot, Christophe Wagner, Ludovic Donnat, et al.. Pool evaporation : Experimental tests at medium-scale with gasoline. Journal of Loss Prevention in the Process Industries, Elsevier, 2020, 65, pp.art. 104072. ⟨10.1016/j.jlp.2020.104072⟩. ⟨ineris-03318126⟩

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