铰链力矩风洞试验动态载荷监视预警系统研制

熊文韬; 刘忠华; 赵昱; 练真增

doi:10.15892/j.cnki.djzdxb.2023.05.014

弹箭与制导学报 >

2023 , Vol. 43 >Issue 5: 87 - 93

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2023.05.014

铰链力矩风洞试验动态载荷监视预警系统研制

熊文韬 ,
刘忠华 ,
赵昱 ,
练真增

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中国空气动力研究与发展中心低速空气动力研究所, 四川绵阳 621000

刘忠华(1972—),男,高级工程师,研究方向:数据采集与测量技术。

熊文韬(1990—),男,工程师,硕士,研究方向:低速风洞试验技术。

收稿日期: 2023-02-15

网络出版日期: 2024-12-30

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Monitoring and Prewarning System for Dynamic Load in Hinge Moment Wind Tunnel Test

XIONG Wentao ,
LIU Zhonghua ,
ZHAO Yu ,
LIAN Zhenzeng

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Low Speed Aerodynamics Institute of China Aerodynamics Research and Development Center, Mianyang 621000, Sichuan, China

Received date: 2023-02-15

Online published: 2024-12-30

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摘要

针对铰链力矩风洞试验中的动态载荷问题,研制了动态载荷监视预警系统,用于试验中动态载荷的实时监视预警。给出了动态载荷监视预警系统的软硬件组成和设计方案,动态载荷数据处理方法,以及系统预警的临界限值设定方法,并进行了系统的应用验证。研究结果表明:动态载荷监视预警系统能够有效预警铰链力矩试验中存在的动态载荷,通过调整操纵面/天平系统的固有频率,避开流动分离产生的气动激励频率,能够避免相同操纵面偏度下大幅值动态载荷的产生,从而保证试验安全和试验数据可靠。

关键词： 铰链力矩; 风洞试验; 动态载荷; 预警

本文引用格式

熊文韬 , 刘忠华 , 赵昱 , 练真增 . 铰链力矩风洞试验动态载荷监视预警系统研制[J]. 弹箭与制导学报, 2023 , 43(5) : 87 -93 . DOI: 10.15892/j.cnki.djzdxb.2023.05.014

Abstract

The dynamic load has a significant impact on the structural security and measurement accuracy of the hinge moment balance in wind tunnels on the vehicle. To solve the dynamic load problem, a monitoring and prewarning system for dynamic load in hinge moment wind tunnel test is developed. Designing scheme of the software and hardware, and dynamic data processing method and critical value setting method for the monitoring and prewarning system are introduced in detail, and the system is experimentally verified. The study results show that the monitoring and prewarning system can effectively provide an early warning of the dynamic load that exists in hinge moment wind tunnel test, and adjusting the inherent frequency of the control surface/balance system away from the aerodynamic excitation frequency of flow separation can ensure the safety of the test and reliability of the test data.

Key words： hinge moment; wind tunnel test; dynamic load; prewarning

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