火箭助飞鱼雷无伞段气动参数辨识及对姿态变化影响

邢国强; 刘旭晖; 王改娣

doi:10.11993/j.issn.2096-3920.2017.05.011

火箭助飞鱼雷无伞段气动参数辨识及对姿态变化影响

doi: 10.11993/j.issn.2096-3920.2017.05.011

1.
中国人民解放军91439部队, 辽宁大连, 116041
2.
中国船舶重工集团公司第705研究所, 陕西西安, 710077

详细信息

作者简介:
邢国强(1970-), 男, 高级工程师, 主要研究领域为鱼雷试验总体等.

中图分类号: TJ631.7; TJ630.6
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- 被引次数: 0
出版历程
- 刊出日期: 2017-12-20

Identification of Aerodynamic Parameter and Its Influence on Attitude Change of Rocket Assisted Torpedo in Parachute-Free Section

1.
91439th Unit,The People's Liberation Army of China, Dalian 116041, China
2.
The 705 Research Institute, China Shipbuilding Industry Corporation, Xi′an 710077, China

摘要

摘要: 火箭助飞鱼雷在雷箭分离后的无伞段运动特性关系到雷箭分离的安全性, 是影响飞行试验成败的关键环节, 而与运动特性相关的气动特性则是决定飞行稳定性的主要因素。由于风洞试验的局限性, 难以获得鱼雷各种飞行姿态下的气动特性, 对鱼雷实航现象分析造成了困扰。文章在对火箭助飞鱼雷无伞段气动布局和运动特点分析的基础上, 给出了利用实航飞行试验外测数据进行气动参数辨识的方法, 并获得鱼雷大姿态变化下的真实气动参数, 弥补了风洞试验的不足。将辨识结果应用到助飞鱼雷实航试验无伞段大姿态变化仿真中, 复现了与实航一致的姿态角变化规律, 证明了该方法的正确性。该方法还可应用到其他空投鱼雷的无伞段特性研究中。
- 火箭助飞鱼雷 /
- 雷箭分离 /
- 无伞段运动 /
- 参数辨识
Abstract: The motion characteristics of a rocket assisted torpedo in parachute-free section after separation of carrier and payload relate to its safety, so become an important factor affecting success of the flight test. And the aerodynamic characteristics associated with the motion characteristics are the main factors determining the flight stability. Due to the limitation of the wind tunnel test, it is difficult to obtain the aerodynamic characteristics of the torpedo in various flight attitudes, which leads to difficulty in the phenomenon analysis of torpedo navigation. In this paper, the aerodynamic layout and motion characteristics of the rocket assisted torpedo in parachute-free section are analyzed, and an aerodynamic parameters identification method based on real flight test data is proposed. Then the identification results are used in simulation of large attitude change of the torpedo in parachute-free section in real navigation test, and the change law of attitude angle consistent with that from real flight is reproduced, verifying the correctness of the proposed method. This method can also be applied to the study of motion characteristics of other air-dropped torpedoes in parachute-free section.
- rocket assisted torpedo /
- separation of carrier and payload /
- movement in parachute-free section /
- parameter identification

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参考文献(12)

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