低速风洞双自由度大幅振荡试验技术

doi:10.7527/S1000-6893.2016.0154

Abstract

Abstract:

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.

Key words: high angle-of-attack, large amplitude oscillation, double degree-of-freedom, unsteady aerodynamics, wind tunnel test

CLC Number:

V212.1

LIU Chunming, ZHAO Zhijun, BU Chen, WANG Jianfeng, MU Weiqiang. Double degree-of-freedom large amplitude oscillation test technology in low speed wind tunnel[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2016, 37(8): 2417-2425.

References

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Double degree-of-freedom large amplitude oscillation test technology in low speed wind tunnel

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