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Title: A study on the effects of using different ignition sources on explosion severity characteristics of coals in oxy-fuel atmospheres
Authors: Hosseinzadeh, Seyedehsepideh #
Norman, Frederik
Verplaetsen, Filip #
Berghmans, Jan # ×
Van den Bulck, Eric #
Issue Date: 29-Apr-2016
Publisher: Butterworths
Series Title: Journal of Loss Prevention in the Process Industries vol:43 pages:53-60
Abstract: In this study, the explosion characteristics of coal powder in O2-CO2 atmospheres are studied. All experiments are performed in a 20 L spherical vessel. The maximum explosion pressure and the maximum rate of pressure rise are derived from the pressure time evolutions. A three-zone theoretical model has been applied to calculate the flame speed. To overcome the drawbacks of the non-spherical flames generated by pyrotechnical igniters, a continuous ignition spark is used as an alternative ignition source. The experimental results show that maximum explosion pressures are similar when different ignition sources are used. The maximum rate of pressure rise and the flame velocity are very sensitive to the ignition source.
ISSN: 0950-4230
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Applied Mechanics and Energy Conversion Section
× corresponding author
# (joint) last author

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