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A liquefied natural gas (LNG) carrier is designed to transport LNG over a long distance. During transportation, the leakage of boil-off gas (BOG) along with poor ventilation can pose an explosion risk. The traditional method for dealing with the BOG is to burn the gas to power the ship. As an alternative method, re-liquefaction plants on board re-liquefy the vapours back to the cargo tanks. This project...
Even though an underground electricity distribution system is safer than an overhead system, several accidents have occurred in them. Assessing the risk of hundreds or even thousands of underground vaults is a hard task. Furthermore, given the large variability in external and internal environments and, hence, there being a wide range of possible consequences when an accident occurs, an approach to...
Fault tree analysis is a widely used method for reliability evaluation and risk assessment. This paper analyzes the reasons of oil tank fire and explosion by applying Fault Tree Analysis. It establishes a fault tree including a top event and 25 basic events. The top event is oil tank fire and explosion. Through analysis, 7 minimum path sets are obtained and corresponding importance degrees are calculated,...
The introduction of Directive 94/9/EC in Europe marked the first full-coverage analysis of all possible ignition sources. Against the background of the well-known standards for electrical equipment, an additional series of standards EN 13463-x was hurriedly created that takes the new aspects into account while relying on the successful application of existing types of protection.
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