Monitoring of a dust explosion in a 10 m3 vessel

Abstract : To mitigate the effects of an industrial dust explosion, various explosion mitigation systems may be used (vent panels, explosion suppressing systems, …) [1]. Those need to be certified as dust explosion protection devices according to the ATEX directive and the certification is based on the experimental demonstration of their efficiency. However, such demonstration has to be performed in specific condition that must be representative of their intended use. Today, no standardized procedure exists for generating an explosive dust could in explosion volumes larger than 1 m3. Furthermore, large variations due to a scale effect have already been identified between the standardized test in the 20 l Siwek sphere or the ISO6184 1 m3 vessel [2]. However industrial installations are often composed of several enclosures of much wider capacities and the generation of controlled large scale dust explosions is a complicated problem. In this paper we aim to present some of the latest works performed at INERIS in view of generating controlled dust explosions in a 10 m3 volume and getting a better understanding on the dust flame behavior in such conditions.
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Yann Gregoire, Christophe Proust, Emmanuel Leprette, Didier Jamois. Monitoring of a dust explosion in a 10 m3 vessel. 26. International Colloquium on the Dynamics of Explosions and Reactive Systems (ICDERS), Jul 2017, Boston, United States. ⟨ineris-01853505⟩

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