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Calculation of noise field in main transformer room of indoor substation based on thermal-acoustic coupling

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  • Tang, Bo
  • Zhang, Longbin
  • Liu, Siyu
  • Bai, Xiaochun
  • Chen, Guoqing
  • Shang, Zhiyu

Abstract

In order to calculate the noise field distribution in the main transformer room of an indoor substation accurately, a thermal-acoustic coupling idea was introduced, and a noise field solving the algorithm based on thermal-acoustic coupling was proposed in view of the noise quality loss caused by the effect of ambient temperature changes. Firstly, the fluid-structure coupling model of the main transformer room is established, and the computational fluid dynamics method is used to calculate the flow field distribution and temperature boundary conditions under the action of the heat source; Then, extracting the rheological equation of the environmental boundary conditions in the flow field calculation, and use the difference function to couple the rheological equation to the sound grid to obtain the sound field coupling model under the condition of variable temperature; Finally, the modified parameter acoustic integral equation under the sound field coupling model is calculated based on the conventional Gauss numerical integration method, and the sound field of the main transformer room considering the effect of variable temperature is obtained. The algorithm has been successfully applied in the analysis of the noise field of Xi'an 110 kV Zhenxing Substation, and the error with the measured value is 2.083%.

Suggested Citation

  • Tang, Bo & Zhang, Longbin & Liu, Siyu & Bai, Xiaochun & Chen, Guoqing & Shang, Zhiyu, 2024. "Calculation of noise field in main transformer room of indoor substation based on thermal-acoustic coupling," Energy, Elsevier, vol. 297(C).
    • Handle: RePEc:eee:energy:v:297:y:2024:i:c:s0360544224008181
    DOI: 10.1016/j.energy.2024.131046
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    References listed on IDEAS

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    1. Wang, Bo & Jia, Xiaoyu & Yang, Jian & Wang, Qiuwang, 2022. "Numerical study on temperature rise and structure optimization for a three-phase gas insulated switchgear busbar chamber," Energy, Elsevier, vol. 254(PC).
    2. Mohamed, M.H., 2019. "Criticism study of J-Shaped darrieus wind turbine: Performance evaluation and noise generation assessment," Energy, Elsevier, vol. 177(C), pages 367-385.
    3. Matar, Camille & Cinnella, Paola & Gloerfelt, Xavier & Reinker, Felix & aus der Wiesche, Stefan, 2023. "Investigation of non-ideal gas flows around a circular cylinder," Energy, Elsevier, vol. 268(C).
    4. Smitha, T.V. & Nagaraja, K.V., 2019. "An efficient automated higher-order finite element computation technique using parabolic arcs for planar and multiply-connected energy problems," Energy, Elsevier, vol. 183(C), pages 996-1011.
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