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Study on the hydrodynamic characteristics of the rectangular V-type otter board using computational fluid dynamics

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  • Fisheries
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Abstract

The hydrodynamic performance of the rectangular V-type otter board is studied by two kinds of numerical simulation methods. The model tests are conducted in the flume tank as well as a comparison to the numerical results. It is found that the CFX analysis is better at simulating the forces, especially for predicting the maximum lift coefficient and the maximum lift-drag ratio. On the other hand the FLUENT analysis is better at simulating the velocity field. The full-scale otter board is then studied by means of CFX simulation to investigate their hydrodynamic performance. The results show that the otter board will be optimized when the aspect ratio is set to 0.490 with a dihedral angle (Г) of 17°. It is confirmed that the numerical simulation is a powerful tool in studying the hydrodynamic characteristics of the otter board and is useful in designing and optimizing otter boards.

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Acknowledgements

The authors thank Dr. Weiguang Bao, Ocean University of China, for his valuable suggestions, and staff of the Laboratory of Fishery Engineering for their technical help. The present work was supported by a Special Fund for Agro-scientific Research in the Public Interest (201203018; 201303050-02), National Natural Science Foundation of China (31072246; 31172446) and the Fundamental Research Funds for The Central Universities (201564020).

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Authors and Affiliations

  1. College of Fishery, Ocean University of China, Qingdao, 266003, China

    Qingchang Xu, Liuyi Huang, Fenfang Zhao, Xinxin Wang, Yanli Tang, Zhenlin Liang, Rong Wan, Peng Sun & Changdong Liu

  2. Function Laboratory for Marine Fisheries Science and Food Production Process, Qingdao National, Laboratory for Marine Science and Technology, Qingdao, 266071, China

    Rong Wan

  3. College of Ocean, ShanDong University (Weihai), Weihai, 264209, China

    Zhenlin Liang

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  1. Qingchang Xu
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  2. Liuyi Huang
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  3. Fenfang Zhao
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  4. Xinxin Wang
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  5. Yanli Tang
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  7. Rong Wan
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  8. Peng Sun
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  9. Changdong Liu
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Correspondence to Liuyi Huang.

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Xu, Q., Huang, L., Zhao, F. et al. Study on the hydrodynamic characteristics of the rectangular V-type otter board using computational fluid dynamics. Fish Sci 83, 181–190 (2017). https://doi.org/10.1007/s12562-017-1065-5

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  • DOI: https://doi.org/10.1007/s12562-017-1065-5

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