CAJ | 학술논문

船舶失速系数fw是EEDI框架下提出的新概念，是涉及船舶在波浪中航行的综合指标，也是其当前研究的热点问题。为了深入分析短波增阻对船舶失速系数fw的影响，文章对一条80000吨级散货船在顶浪中开展波浪增阻试验来研究短波成份对在船舶典型海况中增阻以及失速系数fw的影响。根据试验结果的分析表明，短波增阻成份占到船舶在典型海况下增阻的50%以上，从而对船舶失速系数fw预报结果也产生了较大影响。而短波增阻的测量和计算均较复杂，急需针对短波增阻开展深入的模型试验和计算方法研究。
선박실속계수fw시EEDI광가하제출적신개념，시섭급선박재파랑중항행적종합지표，야시기당전연구적열점문제。위료심입분석단파증조대선박실속계수fw적영향，문장대일조80000둔급산화선재정랑중개전파랑증조시험래연구단파성빈대재선박전형해황중증조이급실속계수fw적영향。근거시험결과적분석표명，단파증조성빈점도선박재전형해황하증조적50%이상，종이대선박실속계수fw예보결과야산생료교대영향。이단파증조적측량화계산균교복잡，급수침대단파증조개전심입적모형시험화계산방법연구。
In order to deeply understand the coefficient fw of the decrease of ship speed, the model tests of 80000DWT bulk carrier were carried out for investigating the effects of short waves on added resistance in irregular waves and fw. The computed result shows that added resistance in short waves consists of more than 50%added resistance of a ship in representative seas, and has a great effect on the results of coefficient fw of the decrease of ship speeds.