|کد مقاله||سال انتشار||تعداد صفحات مقاله انگلیسی||ترجمه فارسی|
|156297||2018||21 صفحه PDF||سفارش دهید|
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Publisher : Elsevier - Science Direct (الزویر - ساینس دایرکت)
Journal : Ocean Engineering, Volume 147, 1 January 2018, Pages 496-516
It is important to predict the actual RPM and engine power of a ship because it helps the ship builder and seafarer understand the actual performance of the ship. However, a precise prediction is difficult because it is closely connected to the ship design, resistance, seakeeping, maneuvering performance, etc., synthetically. In this paper, we propose a new approach to predict the actual RPM and engine power of an LNGC from full-scale measurement data considering the described performance. The sea route, speed over ground and environmental conditions obtained from the measured data are additionally used to simulate sailing of the ship from the coast of southern Taiwan to the coast of Madagascar for 14 days. The results of the simulation are qualitatively reviewed by comparing the calculated time histories of the RPM and the power with the measured RPM and power. The results are quantitatively analyzed by comparing the time histories of errors between the measured values and calculated values. Finally, the power increment due to the environmental load is estimated by comparing the predicted power considering the environmental load with the predicted power, not considering the environmental load.