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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...
The primary purpose of this paper is to demonstrate that a range of proposed government actions can and often should be evaluated in a way that includes their effects on personal freedoms. This is illustrated in the case of efforts directed toward recreational boating safety in the United States, and evolves from a multi-year study to recommend the composition of an appropriate risk management system...
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,...
A Bayesian decision-theoretic decision-making framework for integrated vehicle safety systems is introduced. The framework tries to address the increasing need for introduction of optimal decision-making to integrated vehicle safety. The framework tries to capture all the interdependencies between systems in one optimisation problem by designing appropriate risk functions. This is achieved by incorporating...
The fault tree analysis is a logically structured process that can help identify potential causes of system failure before the failures actually occur. However, traditional fault tree model often suffer from a lack of enough probabilistic basic events to check the consistency of the logic relationship among all events through linkage with gates. Even failures in system operation may have been experienced...
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