低速风洞双自由度大幅振荡试验技术
收稿日期: 2016-01-25
修回日期: 2016-05-23
网络出版日期: 2016-06-12
基金资助
航空科学基金（20143203002）
Double degree-of-freedom large amplitude oscillation test technology in low speed wind tunnel
Received date: 2016-01-25
Revised date: 2016-05-23
Online published: 2016-06-12
Supported by
Aeronautical Science Foundation of China (20143203002)
刘春明 , 赵志军 , 卜忱 , 王建锋 , 牟伟强 . 低速风洞双自由度大幅振荡试验技术[J]. 航空学报, 2016 , 37(8) : 2417 -2425 . DOI: 10.7527/S1000-6893.2016.0154
AVIC Aerodynamics Research Institute developed a double degree-of-freedom large amplitude oscillation testing technique based on driving technology coupled hydraulic motor and servo motor in FL-8 wind tunnel in order to study the aircraft unsteady aerodynamics during post maneuver at high angle-of-attack. This paper presents the basic components and test principle, as well as the FL-8 wind tunnel test results of the standard model test. It is indicated that the system has high stability, reliability and repeatability precision. The technology can be effectively applied to studying and predicting the aerodynamic characteristics of double degree-of-freedom coupled motion.
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