为了满足工程上水下航行体X舵水动力构型快速设计需求，需掌握X舵的操纵水动力特性，并建立适用于X舵水下航行体的水动力系数预报方法。本文采用数值模拟的方法，对比研究十字舵和X舵水下航行体的水动力系数和压力分布特性。结果表明，设计参数相同的情况下，有围壳、无围壳2种模型下X舵的动稳定性系数均低于十字舵，围壳对上方向舵和X舵的压力分布影响均在舵板前缘区域，约为舵板弦长的20%，且围壳对十字舵水动力系数和压力分布的影响均大于X舵。在此基础上，通过不同展长方案下十字舵和X舵水下航行体的线性水动力系数数值研究，得到X舵与十字舵水下航行体水动力系数之间的比例系数，从而提出基于十字舵水动力系数和X舵与十字舵水动力系数的比例特性实现X舵水动力系数快速预报的工程方法。
In order to establish hydrodynamic design method for X rudder in underwater vehicle, meeting the requirement of rapid design in engineering, it demands to study the maneuvering hydrodynamic characteristic, and to establish the hydro-coefficient predicted method for X rudder in underwater vehicle. In this paper, the simulation study is conducted to analyzing the hydro-coefficient and pressure distribution of cross rudder and X rudder. The result shows with the same design parameter, dynamic stability of X rudder is lower than that of cross rudder with or without sail. The area where the pressure is affected by the sail is in the leading edge of cross rudder or X rudder, which is about 20 percent of its chord. And the influence of sail to hydro-coefficient and pressure distribution of cross rudder is stronger than that of X rudder. Furthermore, based on the linear hydro-coefficient simulation of cross rudder or X rudder with different span data in underwater vehicle, the ratio of hydro-coefficient with X rudder to that with cross rudder is obtained. Thus the hydro-coefficient predicted method for X-rudder in underwater vehicle is presented based on hydro-coefficient ratio and hydro-coefficient with cross rudder.
2024,46(4): 35-39 收稿日期：2023-02-07
DOI：10.3404/j.issn.1672-7649.2024.04.007
分类号：U661.3
作者简介：胡芳芳(1986-),女,高级工程师,研究方向为舰船操纵性
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