风洞试验模型振动机理及主动控制研究进展

doi:10.7527/S1000-6893.2024.30467

Abstract

Abstract: Undesirable model vibration often occurs in a conventional wind tunnel force test. Large amplitude model vibrations may affect test data adversely and even threaten the safe operation of equipment. It is of great importance to fully understand the mechanism of model vibration occurrence and reduce the vibration amplitude by effective means in wind tunnel tests. The harms of model vibration are introduced at first. Then the types of model vibrations are summarized. The status and progress of reducing model vibrations by various methods are presented. The key points and technical difficulties involved in the active control method are analyzed. The existing literature shows that the active control method with the piezoelectric stack as the actuator can best meet the requirements of the engineering practice, and the vibration damping effect is better than other methods. Finally, several suggestions regarding future research of model vibration control in the large-scale wind tunnel are also presented.

Key words: model vibration, active vibration control, piezoelectric stack actuator, control algorithm, wind tunnel test

CLC Number:

V215.3

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A Review of Model Vibration Mechanism and Active Control in Wind Tunnel Test

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