A three-dimensional numerical simulation is employed to investigate the effect of oscillating wing's section shape, aspect ratio and thickness on its propulsive property. The overlapping grid technique is employed to simulate the oscillating wing's motion at a moderate high Reynolds number of 1.0 × 104. The results show that the NACA0012 profile exhibits the best propulsive performance, compared with the other two section shape. As for the aspect ratio (AR), the mean value of the thrust force coefficient shows linear growth with the variation of AR and the optimal value of AR is suggested to be set as 3.0. Similar to the AR effect, there exists optimum value of thickness leading to the highest propulsive efficiency and the corresponding value is suggested to be set as 12% of the chord length. The vortex structures in the wake of the oscillating wing under different parameters are also presented and discussed.


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    Title :

    Effect of section shape, aspect ratio and thickness on the propulsive property of three-dimensional oscillating wing – a numerical study


    Contributors:
    Li, Yongcheng (author) / Chen, Jijun (author) / Wang, Xijian (author) / Pan, Ziying (author) / Zhang, Nan (author)

    Published in:

    Ships and Offshore Structures ; 17 , 11 ; 2588-2598


    Publication date :

    2022-11-02


    Size :

    11 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    Unknown




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