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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...
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 characteristics of city underwater tunnels are unfavorable for evacuation. Reasonable design and evaluation of the evacuation capacity are the premise of the safety of tunnel users. An observation experiment was carried out by using the inner vertically evacuation with slide as research object. The velocity of getting off vehicle, the running speed and the evacuating capacity of the slide during...
Building fire risk evaluation is the base of building fire risk management. Carrying out building fire risk evaluation can effectively prevent and control the building fire accident occurring. In this study, a fuzzy approach to building fire risk assessment methodology using the fuzzy comprehensive evaluation (FCE) and synthetic weights provided to assist decision-makers in determining the proper...
With the rapid development of underground metropolitan transportation, the problem of safety risks, especially the fire risks, have always been accorded great attention by researchers and practitioners. In order to reduce the uncertainty of fire risks in underground metropolitan transportation, the main objective of this paper is to devise a proactive approach to dynamically predict and control conditions...
The issues associated with computer security are no longer the exclusive domain of information technology. The increasing use of commercial off-the-shelf (COTS) technologies in process control systems and networks makes them a potential target for various kinds of cyber attacks. The potential damage that can be caused if an attack is successful against a process control system can be substantial,...
Fire hazard is a "natural" risk whose fight, in France, is organized in a very centralized way. However, it depends on human activities and the threatened values are mainly the real values. So, it has a collective and individual dimension which questions on the allowance equity of the public budgets. In particular because the total costs mutualization tends to develop urbanization in area...
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