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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
Research of Sail Height Adjustment on Sail-Assisted Ship in Different Loading and Wind Conditions
Author(s)
HE Jianhai1, HU Yihuai1, TANG Juanjuan2 and ZHANG Jianxia3
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DOI:10.17265/2159-5879/2016.06.001
Affiliation(s)
1. Merchant Marine College, Shanghai Maritime University, Shanghai 201306, China
2. Shanghai Merchant Ship Design and Research Institute, Shanghai 201203, China
3. Shanghai Communications Polytechnic, Shanghai 200431, China
ABSTRACT
The relationship between
ship stability and sail area is firstly investigated based on the sail-assisted
ship’s stability in this
paper. Then a height-adjustable sail structure is proposed that could be
automatically adjusted according to the wind conditions, ship loading and other
requirements. The influences on the sail height in different ship load
conditions, different wind apparent velocity and wind direction are analyzed of
a sail-assisted bulk carrier. Finally a control procedure of sail height
adjustment in real time is proposed according to the actual load conditions,
wind conditions, ship velocity and other parameters to make the best use of
wind energy, which is significant for the practical application of
sail-assisting technology in the future.
KEYWORDS
Sail height, height adjustable, wind influential factor, control procedure.
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