Prediction of ships' speed-power relationship at speed intervals below the design speed

Berthelsen Frederik H.; Nielsen Ulrik D.

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Prediction of ships' speed-power relationship at speed intervals below the design speed

机译：Prediction of ships' speed-power relationship at speed intervals below the design speed

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摘要

This study investigates the speed-power relationship of ships, and is based on a combined econometric and naval architectural data-driven model fed with operational data from more than 50,000 noon reports obtained from 88 tankers. It is shown that the speed-power exponent is significantly lower than 3 at speed intervals below the design speed. This finding, including the study itself, affects the environmental discussions related to slow steaming, since it implies that slow steaming will not be as good as often stated. As such, the study imparts attention to speed optimisation, rather than reduction, in the political and environmental debate focused on the reduction of carbon emissions from shipping.

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来源
《Transportation research, Part D. Transport and environment》 |2021年第10期|102996.1-102996.30|共30页
作者
Berthelsen Frederik H.; Nielsen Ulrik D.;
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作者单位

Tech Univ Denmark, DTU Mech Engn, Lyngby, Denmark|DFDS, Copenhagen, Denmark;

Tech Univ Denmark, DTU Mech Engn, Lyngby, Denmark|NTNU AMOS, Ctr Autonomous Marine Operat & Syst, Trondheim, Norway;

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原文格式 PDF
正文语种英语
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关键词
Power prediction of ships; Slow steaming; Speed optimization; Carbon emissions; Operational data; Noon reports;

Prediction of ships' speed-power relationship at speed intervals below the design speed

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