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Article
Comparison of Different Added Power in Waves Prediction Methods
Author(s)
CHEN Weimin, LI Jianpeng, DONG Guoxiang and XING Lei
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DOI:10.17265/2159-5879/2018.01.003
Affiliation(s)
State Key Laboratory of Navigation and Safety Technology, Shanghai Ship and Shipping Research Institute, Shanghai 200135, China
ABSTRACT
In order to predict the
speed loss in the actual sea states more precisely, delivered power shall be
measured more accurately as an input. Therefore, based on a 50,000 DWT tanker, various
results obtained from different prediction methods were compared by a series of
model tests performed in calm water and in waves. It is shown that speed loss
deprived from RTIM (resistance and thrust
identity method)
method in regular waves test could satisfy the engineering requirements most.
KEYWORDS
Added power, model test, speed loss, sea keeping prediction, self propulsion test in waves.
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