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

The Society of Naval Architects of Korea (대한조선학회)
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Different Approaches for Estimating the Full-scale Performance of a Ship based on 3-DOF Maneuvering Equations of Motion: Given Speed, RPM or Power

3자유도 조종운동방정식을 이용한 실선성능 추정 방법에 관한 연구: 속도, 분당회전수, 또는 엔진동력을 기준으로

  • You, Youngjun (Daewoo Shipbuilding and Marine Engineering Co., Ltd.)
  • Received : 2019.07.09
  • Accepted : 2019.07.25
  • Published : 2019.10.20
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Abstract

It was important to estimate the full-scale operating performance including actual RPM and engine power of a ship since the operation efficiency during a voyage could be evaluated from the values. In the previous research, an entire voyage was simulated by following recorded speeds obtained from AIS and full-scale measurement data. Although reasonable tendencies were observed in the estimated speed, actual RPM, and engine power, it was impossible for them to be completely corresponded with the measured values due to the difference between actual operation and mathematical model. In this paper, alternative approaches to cope with the speed, actual RPM, and engine power were suggested by following the given speed, RPM, and power respectively. After entire voyages were simulated according to a given value, the effects of the value on the estimated performance were investigated. And, it was confirmed that the appropriate approach could be differently chosen according to the aim of the simulation or given value.

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References

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