超级气垫飞行器尾舵展开过程中的流体力学载荷数值模拟

Zhong Wang, Menghao Wang, Yuanming Peng, Rui Lu, Jingjun Zhou
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引用次数: 0

摘要

在被液体覆盖的航行状态下,超级气浮飞行器尾舵展开过程中的流体力学载荷对飞行器的稳定性分析和尾舵的性能设计有重要影响。本研究基于重叠网格技术和网格域间相对运动的概念,建立了尾舵展开过程的数值模拟方法。结合超级气浮飞行器的设计要求,详细研究了尾舵展开过程中不同展开率、不同攻角、展开前后的流体力学载荷变化规律。通过对速度矢量场、尾舵附近压力场和尾舵表面压力系数的分析,揭示了不同状态下水动力载荷变化的原因。研究结果对研究超空泡飞行器尾舵展开过程的流场特性具有重要的参考价值,为尾舵的性能设计提供了重要的设计依据。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Numerical simulation on hydrodynamics loads during tail rudder deployment procedure of supercavitating vehicle
In the state of navigating covered with liquid fluid, the hydrodynamics loads of the supercavitating vehicle during the deployment process of the tail rudder have an important impact on the stability analysis of the vehicle and the performance design of the tail rudder. In this study, a numerical simulation method for the deployment process of the rudder based on the overlapping grids technology and the concept of relative motion between grid domains is established. Combined with the design requirements of the supercavitating vehicle, the change law of hydrodynamics loads under different deployment rates, attack angles during the deployment process, before and after deployment of the tail rudder are researched in detail. Through the analysis of the velocity vector field, pressure field near the rudder and pressure coefficients of the rudder surface, the reasons for the changes of the hydrodynamic loads in different states are revealed. The results have important reference value for the research on the flow field characteristics of the deployment process of the tail rudder for the supercavitating vehicle, and provide an important design basis for the performance design of the tail rudder.
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