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In the investigation of gas explosion events resulting from combustible gas leakage, often the formation of the explosive atmosphere at the location of the ignition source is less highlighted, usually being calculated the concentration of combustible gases at the entire volume affected by the explosion; depending on the distance between the gas source and the ignition, the complexity of the geometry (volumes occupied by various solid bodies) and the air currents in that volume (convective currents generated by hea...

Operations carried out within the oil and gas industry involve the risk of explosions which might lead to work accidents with significant consequences for personnel and installations. The release of a hydrocarbon gas due to various reasons such as improper selected equipment or its’ malfunction, staff negligence, lack of maintenance a.s.o. in mixture with air generates a potentially explosive atmosphere if the mixture’s concentration ranges between certain limits, the so-called Lower Explosive Limit (LEL) and Uppe...