Explosion analyses of the enclosed cargo handling spaces in oil tankers and FPSOs
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Risk associated with hydrocarbon leakages in enclosed hazardous areas, such as a cargo pump room, could result in the fatal explosion and casualties. The probability of fire and explosion in enclosed cargo handling spaces is higher than other areas due to the potentially large hydrocarbon inventory and limited ventilation capability. Accordingly, the explosion study is essential to determine the consequences of explosion loads on equipment and structural elements. In this paper, deterministic explosion analyses applying the Computational Fluid Dynamics (CFD) are performed based on a cargo pump room in one of Very Large Crude Carrier (VLCC) design. Series of explosion simulations based on various explosive gas cloud sizes and 12 potential ignition locations were performed to investigate the maximum overpressure for each scenario. Several key findings and recommendations are introduced in this paper based on the results of explosion analyses.
Abstract
Risk associated with hydrocarbon leakages in enclosed hazardous areas, such as a cargo pump room, could result in the fatal explosion and casualties. The probability of fire and explosion in enclosed cargo handling spaces is higher than other areas due to the potentially large hydrocarbon inventory and limited ventilation capability. Accordingly, the explosion study is essential to determine the consequences of explosion loads on equipment and structural elements. In this paper, deterministic explosion analyses applying the Computational Fluid Dynamics (CFD) are performed based on a cargo pump room in one of Very Large Crude Carrier (VLCC) design. Series of explosion simulations based on various explosive gas cloud sizes and 12 potential ignition locations were performed to investigate the maximum overpressure for each scenario. Several key findings and recommendations are introduced in this paper based on the results of explosion analyses.
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