跨声速风洞全模颤振试验技术

doi:10.7527/S1000-6893.2014.0249

气动弹性力学

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跨声速风洞全模颤振试验技术

路波^1,2, 吕彬彬², 罗建国², 余立², 杨兴华², 郭洪涛², 曾开春²

1. 北京航空航天大学航空科学与工程学院, 北京 100191;
2. 中国空气动力研究与发展中心高速空气动力研究所, 绵阳 621000

收稿日期:2014-07-29 修回日期:2014-09-07 出版日期:2015-04-15 发布日期:2014-11-06
通讯作者: 吕彬彬Tel.: 0816-2462001 E-mail: lvbinbin_mail@163.com E-mail:lvbinbin_mail@163.com
作者简介:路波男, 硕士, 高级工程师。主要研究方向: 非定常空气动力学。Tel: 0816-2462001 E-mail: lvbinbin_mail@163.com;吕彬彬男, 博士研究生,工程师。主要研究方向: 气动弹性力学。Tel: 0816-2462630 E-mail: lvbinbing6@163.com;罗建国男, 硕士, 副研究员。主要研究方向: 非定常空气动力学。Tel: 0816-2462264 E-mail: roywhy@126.com;余立男, 硕士, 副研究员。主要研究方向: 非定常空气动力学。Tel: 0816-2462630 E-mai: yuli@cardc.org

Wind tunnel technique for transonic full-model flutter test

LU Bo^1,2, LYU Binbin², LUO Jianguo², YU Li², YANG Xinghua², GUO Hongtao², ZENG Kaichun²

1. School of Aeronautic Science and Engineering, Beihang University, Beijing 100191, China;
2. High Speed Aerodynamics Institute of China Aerodynamics Research and Development Center, Mianyang 621000, China

Received:2014-07-29 Revised:2014-09-07 Online:2015-04-15 Published:2014-11-06

摘要/Abstract

摘要：

介绍了跨声速全模颤振试验的发展现状和存在的问题。探讨了全模颤振试验对风洞和支撑系统等试验设备的要求。对于风洞,主要从风洞洞体和流场等方面分析了进行颤振试验所需要具备的性能,并以中国空气动力研究与发展中心的2.4 m跨声速风洞为例,介绍了进行颤振试验必须要采取的控制措施。对于支撑系统,则从模型运动自由度、支撑系统稳定性和支撑系统频率等方面的要求,阐述了设计支撑系统的困难,并简要分析了目前国内外发展的多种全模颤振支撑系统的结构原理及其优缺点。然后介绍了系统安全的保证措施,包括支撑系统稳定性分析、风洞紧急停车控制系统和模型保护装置等。最后根据飞行器发展的需求,探讨了今后需要完善和发展的几个主要问题。

关键词: 气动弹性, 全模颤振, 悬浮支撑系统, 风洞试验, 跨声速

Abstract:

A review on the status of transonic wind tunnel technique for full-model flutter test is presented in this paper. The requirements on wind tunnel facility and supporting system are introduced. For wind tunnel, some special requirements on the size of wind tunnel and its quality of flow field for flutter test are analyzed. Taking example of the 2.4 m' transonic wind tunnel in the China Aerodynamic Research and Development Center, the demand control of flow states for flutter tests is introduced. As to the full-model support, the restrictions to design appropriate supporting system are emphasized from model rigid-body freedoms, stability and frequencies of the total system. Several full-model support systems are given and analyzed as examples for design reference. Then some measures to guarantee system security are presented, including static and dynamic stability of the system, emergency brake of the wind tunnel, and model protect. Finally, according to the requirements of vehicle development,several major orientation problems that we need to improve and develop in the future are discussed.

Key words: aeroelasticity, full-model flutter, floating suspension system, wind tunnel test, transonic

中图分类号:

V211.7

路波, 吕彬彬, 罗建国, 余立, 杨兴华, 郭洪涛, 曾开春. 跨声速风洞全模颤振试验技术[J]. 航空学报, 2015, 36(4): 1086-1092.

LU Bo, LYU Binbin, LUO Jianguo, YU Li, YANG Xinghua, GUO Hongtao, ZENG Kaichun. Wind tunnel technique for transonic full-model flutter test[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2015, 36(4): 1086-1092.

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E-mail：hkxb@buaa.edu.cn

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主管单位：中国科学技术协会主办单位：中国航空学会北京航空航天大学

跨声速风洞全模颤振试验技术

Wind tunnel technique for transonic full-model flutter test

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