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弹箭与制导学报 >

2023 , Vol. 43 >Issue 4: 52 - 59

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2023.04.008

基于ALE方法的柔性飘带阻力特性研究

  • 谭涵林 ,
  • 阮文俊 ,
  • 步鹏飞 ,
  • 孙鹏飞
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  • 南京理工大学能源与动力工程学院,江苏 南京 210094
阮文俊(1964—),男,研究员,研究方向:武器工业与军事技术。

谭涵林(1999—),男,硕士研究生,研究方向:弹丸气动及飞行稳定性研究。

收稿日期: 2022-11-01

  网络出版日期: 2025-02-07

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Study on Drag Characteristics of Flexible Ribbon Based on ALE Method

  • TAN Hanlin ,
  • RUAN Wenjun ,
  • BU Pengfei ,
  • SUN Pengfei
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  • School of Energy and Power Engineering,Nanjing University of Science and Technology,Nanjing 210094,Jiangsu, China

Received date: 2022-11-01

  Online published: 2025-02-07

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摘要

柔性飘带作为弹丸尾部稳定器,能够为弹丸提供稳定力矩,并具有其独特的优势。文中基于任意拉格朗日-欧拉(ALE)方法,对柔性飘带的流固耦合过程进行数值模拟,将模拟结果与文献风洞实验对比,验证了数值方法的有效性。通过数值模拟,研究了来流速度、飘带材料属性以及飘带形状对其阻力特性的影响,所得结论可为柔性飘带稳定弹丸的研究提供参考。

关键词： 柔性飘带; ALE方法; 数值模拟; 流固耦合

本文引用格式

谭涵林 , 阮文俊 , 步鹏飞 , 孙鹏飞 . 基于ALE方法的柔性飘带阻力特性研究[J]. 弹箭与制导学报, 2023 , 43(4) : 52 -59 . DOI: 10.15892/j.cnki.djzdxb.2023.04.008

Abstract

The flexible ribbon can be used as a projectile tail stabilizer, which can provide a stabilizing moment for the projectile and has its unique advantages. In this paper, based on the Arbitrary Lagrangian-Eulerian Method(ALE), the flow-structure interaction process of the flexible ribbon is simulated numerically, and the simulation results are compared with the literature wind tunnel experiments to verify the effectiveness of the numerical method. Through numerical simulations, the effects of the incoming flow velocity, the material properties of the ribbon, and the shape of the ribbon on its drag characteristics are investigated and analyzed. The conclusions can provide a reference for the study of flexible ribbon stabilized projectiles.

Key words： flexible ribbon; ALE method; numerical simulation; fluid-structure interaction

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