The comparison of three prediction methods of the added resistance and speed loss in the wave with 85 000DWT tank, the three methods are fit in the prediction,especially the second method is very convenient for calculation, and the result is meet the engineering precision,so it is a significant and practical method for people to study energy efficiency design index( EEDI) and the speed loss coefficient correction.%对85 000 t油轮在波浪中阻力增加和失速预报分别运用三种方法进行研究比较.结果表明,该油轮在波浪中的快速性能较好.所提出的三种方法均能有效用于船舶波浪增阻和失速预报的计算,其中方法二具有快速、简便和准确的特点.在研究新船能效设计指数EEDI及波浪失速修正系数fw的计算过程中,该方法既快速又实用.
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