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On the propulsion performance analysis of ship in service by the use of AB-log data

机译：利用AB-log数据分析在役船舶的推进性能

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Fuel saving has been becoming more important year by year not only for the cost performance but also for global environmental problems such as CO{sub}2 pollution. Appropriate ship maintenance and operation management are one of effective measures for fuel saving. In order to do that, it is necessary to monitor properly the present situation of propulsion performance of ship during her service. The paper introduces a new analyzing method of AB-Log Data from a viewpoint focusing on the relationship between transportation energy performance and AB-Log data, and shows that the new method is useful for monitoring the propulsion performance of actual ship in service. The new method mentioned above indicates that some parameters are useful for AB-Log data analysis, and that, among them, the parameter Ps/W·Vs{sup}3 is most informative. So, paying attention to the change of these parameters, AB-Log data analysis of 6 vessels, 2 of bulk careers, 2 of container ships and 2 of crude-oil tankers are carried out. According to the method, the analysis results show that it is possible to monitor quantitatively propulsion performance and the influence of sea conditions.
机译：燃油节省不仅对于成本性能而言，而且对于诸如CO {sub} 2污染等全球环境问题，都变得越来越重要。适当的船舶维护和运营管理是节省燃油的有效措施之一。为了做到这一点，有必要在其服务期间适当地监视船舶推进性能的现状。从运输能量性能与AB-Log数据之间的关系出发，介绍了一种新的AB-Log数据分析方法，表明该方法对监测实际在役船舶的推进性能很有帮助。上面提到的新方法表明，某些参数对于AB-Log数据分析很有用，并且其中参数Ps / W·Vs {sup} 3最有用。因此，要注意这些参数的变化，对6艘船，2艘散货船，2艘集装箱船和2艘原油船进行AB-Log数据分析。根据该方法，分析结果表明可以定量监测推进性能和海况的影响。

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