Journal of the Society of Naval Architects of Korea (대한조선학회논문집)

The Society of Naval Architects of Korea (대한조선학회)
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Prediction of Residual Resistance Coefficient of Low-speed Full Ships using Hull Form Variables and Model Test Results

선형변수 및 모형시험결과 데이터베이스를 활용한 저속비대선의 잉여저항계수 추정

  • Kim, Yoo-Chul (Korea Research Institute of Ships and Ocean Engineering (KRISO)) ;
  • Kim, Myung-Soo (Korea Research Institute of Ships and Ocean Engineering (KRISO)) ;
  • Yang, Kyung-Kyu (Korea Research Institute of Ships and Ocean Engineering (KRISO)) ;
  • Lee, Young-Yeon (Korea Research Institute of Ships and Ocean Engineering (KRISO)) ;
  • Yim, Geun-Tae (Korea Research Institute of Ships and Ocean Engineering (KRISO)) ;
  • Kim, Jin (Korea Research Institute of Ships and Ocean Engineering (KRISO)) ;
  • Hwang, Seung-Hyun (Korea Research Institute of Ships and Ocean Engineering (KRISO)) ;
  • Kim, JungJoong (Korea Research Institute of Ships and Ocean Engineering (KRISO)) ;
  • Kim, Kwang-Soo (Korea Research Institute of Ships and Ocean Engineering (KRISO))
  • Received : 2018.05.28
  • Accepted : 2018.08.05
  • Published : 2019.10.20
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Abstract

In the early stage of ship design, the rapid prediction of resistance of hull forms is required. Although there are more accurate prediction methods such as model test and CFD analysis, statistical methods are still widely used because of their cost-effectiveness and quickness in producing the results. This study suggests the prediction formula for the residual resistance coefficient (Cr) of the low-speed full ships. The formula was derived from the statistical analysis of model test results in KRISO database. In order to improve prediction accuracy, the local variables of hull forms are defined and used for the regression process. The regression formula for these variables using only principal dimensions of hull forms are also provided.

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References

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