Experimental investigation of deflagration characteristics for venting of gas explosion and their verification of CFD analysis (original) (raw)

2012

Abstract

Α set of 44 experiments on vented methane-air mixture explosions with various concentration values was executed. In terms of experiments, concentration of explosive mixture was changed in the range from lower explosive limit (LEL) to upper explosive limit (UEL). Measurements were carried out in the compact enclosure with a volume of 250 dm 3 at ambient conditions. Together with experiments, modelling of these processes was carried out by the codes based on computer fluid dynamic (CFD) using numerical tool FLACS (Flame Acceleration Simulator). Results of experiments and CFD models are analysed and compared to each other putting the accent on the compliance of calculated pressure-time curves and experimental pressure traces.

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