Influence of tip winglet on the performances of ship fin stabilizer

YANG Hai-chao; HUANG Zhen-yu; ZHONG Jing-jun*

doi:10.16411/j.cnki.issn1006-7736.2021.02.005

Journal of Dalian Maritime University >

2021 , Vol. 47 >Issue 2: 35 - 44

DOI: https://doi.org/10.16411/j.cnki.issn1006-7736.2021.02.005

Influence of tip winglet on the performances of ship fin stabilizer

YANG Hai-chao ,
HUANG Zhen-yu ,
ZHONG Jing-jun*

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（Merchant Marine College, Shanghai Maritime University, Shanghai 201306, China）

Received date: 2020-12-28

Revised date: 2021-02-09

Online published: 2021-02-09

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Abstract

In order to improve the flow structure around the tip and the comprehensive performance of fin stabilizer, the numerical study of the fin stabilizer with wingtip winglet was carried out, the effects of the fin stabilizer with/without wingtip winglet and the different installation positions of the fins on the flow field and performance of the fin stabilizer were analyzed under the conditions of certain angle of attack and incoming velocity. The results show that the lifting force on the stabilizer fin is increased by adding a winglet on the wingtip by up to 18.4%. Compared with other positions, the effect of the winglet on the upside of the fin tip is better. The attachment of the small wing reduces the pressure difference between the up and down sides near the fin tip, and the influence of vortexes, therefrom improves the flow field near the fin tip of the stabilizer fin.

Key words： ?fin stabilizer; tip winglet; flow characteristic; numerical calculation

Cite this article

YANG Hai-chao , HUANG Zhen-yu , ZHONG Jing-jun* . Influence of tip winglet on the performances of ship fin stabilizer[J]. Journal of Dalian Maritime University, 2021 , 47(2) : 35 -44 . DOI: 10.16411/j.cnki.issn1006-7736.2021.02.005

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