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Design and vibration reduction performance of honeycomb sandwich support rod for wind tunnel

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Abstract

For the support structure of wind tunnel tests, a honeycomb sandwich structure is used to embed the wind tunnel tail brace to form a honeycole test process. Using Rayleigh beam theory and equivalent method, the lateral bending dynamic model of the support rod is solved and the natural frequency expression of the lateral bending vibration of the support rod is obtained. Taking the static strength of the support rod as the optimization design objective, the honeycomb sandwich structure was quantitatively described and the optimal design scheme was obtained through orthogonal experiments. The simulation and calculation results of the proposed support and hollow support are verified and compared with each other. The error between the first three natural frequencies of the honeycomb sandwich support given in this article and the simulation results is less than 9.52 %, which proves that the calculation results are relatively accurate. On the premise of meeting the constraints and load requirements, the low order resonant deformation of the transient dynamics simulation analysis is reduced by 30.27 %, significantly improving the vibration damping ability of the wind tunnel support system.

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Acknowledgments

This work was supported by the National Natural Science Foundation of China under Grant 12172210.

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Authors and Affiliations

  1. College of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai, 201306, China

    Hao Huang, Qingpeng Han, Bin Wu, Rui Zhu & Guangchao Wang

Authors
  1. Hao Huang
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  2. Qingpeng Han
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  3. Bin Wu
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  4. Rui Zhu
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  5. Guangchao Wang
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Corresponding author

Correspondence to Qingpeng Han.

Additional information

Hao Huang received his bachelor’s degree in engineering from Shanghai Electric Power University in Shanghai, China, in 2022. He is currently pursuing his master’s degree at the Shanghai School of Energy and Mechanical Engineering. He is dedicated to the research of wind tunnel tail strut vibration reduction.

Qingpeng Han received the Ph.D. degree from Zhejiang University, Hangzhou, China, in 2007. He is currently an Associate Professor with the College of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai, China. His current research interests include the design and development of digital acquisition instruments and nonlinear analysis of vibration signals.

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Huang, H., Han, Q., Wu, B. et al. Design and vibration reduction performance of honeycomb sandwich support rod for wind tunnel. J Mech Sci Technol 38, 527–539 (2024). https://doi.org/10.1007/s12206-024-0103-3

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  • DOI: https://doi.org/10.1007/s12206-024-0103-3

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