A model for the minimum ignition energy of dust clouds

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 2019 Belgium English Publisher:Elsevier BVJournal:Process Safety and Environmental Protection, volume 121, pages 43-49 (issn: 0957-5820,

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Authors: Sepideh Hosseinzadeh; Jan Berghmans; Jan Degreve; Filip Verplaetsen;

doi: 10.1016/j.psep.2018.10.004

A model for the minimum ignition energy of dust clouds

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Abstract

Abstract This study refers to the minimum ignition energy (MIE) of dusts as determined by means of the Hartmann tube. To do so, six different dust with different particle size and properties are employed. A theoretical model is developed to predict the MIE based upon the physical and chemical properties of the dust. The model clearly shows the relationship between the minimum ignition energy and the minimum ignition temperature of a dust cloud. The model results in a method to calculate the MIE of dusts. Also, the time necessary for ignition can be calculated with the model. The results show that despite some limitations, the model predicts the MIE for dusts rather well. It is proposed that 40–60% energy loss would be considered when applying the model.

Country

Belgium

Related Organizations

KU Leuven
Belgium
Katholieke Universiteit Leuven
Belgium

Keywords

Minimum ignition temperature, Technology, Engineering, Chemical, Science & Technology, Strategic, Defence & Security Studies, Engineering, Environmental, MIXTURES, 4011 Environmental engineering, Dust clouds, 4004 Chemical engineering, Engineering, Theoretical model, Minimum ignition energy

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