Correlations for blast effects from vented dust explosions |
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| Authors: | Jerome Taveau |
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| Institution: | 1. School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, PR China;2. Changzhou Entry-Exit Inspection and Quarantine Bureau, Changzhou, Jiangsu 213022, PR China;3. School of Chemical and Environmental Engineering, North University of China, Taiyuan, Shanxi 030051, PR China;1. Departamento de Agricultura y Alimentación, Universidad de La Rioja, Av. Madre de Dios 51, 26006 Logroño, Spain;2. Departamento de Ingeniería y Ciencias Agrarias, ESTI Agraria, Universidad de León, Av. Portugal 41, 24071 León, Spain |
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| Abstract: | Empirical correlations are often used to estimate safety distances in the event of dust explosions. In Europe, there are two main correlations available in VDI 3673 and EN 14491. Whereas the VDI 3673 correlation is based on experimental investigations of vented dust explosions using large vessels, and assumes an external explosion, the EN 14491 correlation is derived from SKJELTORP et al. internal explosion tests in ammunition storage facility. This paper provides an overview of the experimental studies of vented gas and dust explosion. It aims to highlight the main findings of such studies, while defining the conditions for a secondary explosion to occur and comparing experimental data with the application of standards, in order to propose elements to choose the more appropriate correlation. |
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