To achieve energy conservation and improve ship maneuverability, a new type of collaborative spoiled rudder (CSR) is proposed by absorbing the advantages of existing ship rudders. This study investigates the non-stationary characteristics of the hydrodynamic forces of CSR section in depth, and carries out structural optimization based on numerical simulations. First, the effects of rudder angle and spoiler open angles on the non-stationary characteristics of the hydrodynamic forces of the CSR, and the appropriate maximum value of the spoiler open angle is determined. The results show that the unsteady pulsation amplitude of the hydrodynamic forces of the CSR is directly proportional to the spoiler open angle and inversely proportional to the rudder angle, and the upper limit of the spoiler open angle is set to 30°. Then, the hydrodynamic characteristics of the CSR with different spoiler widths are investigated in further. The maximum lift of the CSR increases as the spoiler width increases. The target lift method is used for efficiency evaluation. The ranges of the favorable rudder angle and the favorable spoiler open angle for different CSR configurations are determined, and the optimal spoiler width is further determined based on the non-stationary characteristics of the hydrodynamic forces.

为了实现节能、提高船舶操纵性，在吸收现有船舶舵优点的基础上，提出了一种新型协同扰流舵（CSR）。本研究深入研究了CSR截面水动力的非平稳特性，并基于数值模拟进行结构优化。首先，研究了舵角和扰流板张角对CSR水动力非平稳特性的影响，并确定了合适的扰流板张角最大值。结果表明，CSR水动力非定常脉动幅值与扰流板张角成正比，与舵角成反比，且扰流板张角上限设定为30°。然后，进一步研究了不同扰流板宽度的CSR的水动力特性。CSR 的最大升力随着扰流板宽度的增加而增加。采用目标升力法进行效率评估。确定了不同CSR构型的有利舵角和有利扰流板张开角度的范围，并根据水动力的非平稳特性进一步确定了最佳扰流板宽度。