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

  • 제56권3호
  • /
  • Pages.242-250
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  • 2019
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  • 1225-1143(pISSN)
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  • 2287-7355(eISSN)
대한조선학회 (The Society of Naval Architects of Korea)
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몬테카를로 시뮬레이션을 이용한 시운전 선속-동력 성능에 대한 불확실성 해석

Uncertainty Analysis for Speed and Power Performance in Sea Trial using Monte Carlo Simulation

  • 투고 : 2018.08.08
  • 심사 : 2019.01.04
  • 발행 : 2019.06.20
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초록

The speed and power performance of a ship is not only a guarantee issue between the ship owner and the ship-yard, but also is related with the Energy Efficiency Design Index (EEDI) regulation. Recently, International Organization for Standardization (ISO) published the procedure of the measurement and assessment for ship speed and power at sea trial. The results of speed and power performance measured in actual sea condition must inevitably include various uncertainty factors. In this study, the influence for systematic error of shaft power measurement system was examined using the Monte Carlo simulation. It is found that the expanded uncertainty of speed and power performance is approximately ${\pm}1.2%$ at the 95% confidence level(k=2) and most of the uncertainty factor is attributed to shaft torque measurement system.

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참고문헌

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