诸多潜艇强国对X舵潜艇的应用,说明了其背后巨大的实际应用价值。X舵操纵能力较十字舵更优是公认的,但X舵潜艇在实际研究过程中航向稳定性性能是一直被忽略的问题。为了解X舵潜艇相比于十字舵潜艇的航向稳定性如何,首先利用CFD方法研究SUBOFF标模来验证数值模拟的可行性,然后对某十字舵与X舵潜艇在不同工况下进行数值仿真,计算出与潜艇航向稳定性相关的水动力导数,最后比较研究2种操纵面稳定性差异。对比分析结果表明,原十字舵潜艇方向稳定性指数为0.02146,新设计的X舵潜艇方向稳定性指数为0.24903。说明设计的X舵潜艇满足稳定性要求,并有足够的裕度为改进潜艇其他性能提供设计空间。
The application of many submarine powers to the X-rudder submarine illustrates the enormous practical value behind it. The application of the X rudder on domestic submarines has not been reported. Relevant data show that the domestic stay mainly at the stage of demonstration analysis of the X rudder. It is generally accepted that the X-rudder maneuverability is better than the cross-rudder, but the course stability of the X-rudder submarine in the actual research process has been neglected. In order to understand the stability of the X-rudder submarine compared to the cross-rudder submarine, firstly, the SUBOFF model was studied by CFD method to verify the feasibility of numerical simulation, and then the numerical simulation of a cross-rudder and X-rudder submarine under different working conditions was carried out. The hydrodynamic derivative related to the heading stability of the submarine was calculated, and finally the stability difference between the two control surfaces was compared. The results of comparative analysis show that the original rudder submarine stability index is0.02146, and the newly designed X-rudder submarine stability index is 0.24903. The designed X-rudder submarine meets the stability requirements and has sufficient margin to provide design space for improving other performances of the submarine.
2021,43(4): 51-55 收稿日期:2019-09-05
DOI:10.3404/j.issn.1672-7649.2021.04.010
分类号:U664
作者简介:曹植珺(1995-),硕士研究生,研究方向为舰艇操纵性
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