Optimization of aerodynamic acoustics in the pipe with variable cross-sections

Shaofeng Zheng; Ziyi Miao; Weicai Li

doi:10.1117/12.3030267

5 June 2024 Optimization of aerodynamic acoustics in the pipe with variable cross-sections

Shaofeng Zheng, Ziyi Miao, Weicai Li

Proceedings Volume 13163, Fourth International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2024); 131632G (2024) https://doi.org/10.1117/12.3030267
Event: International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2024), 2024, Xi'an, China

Abstract

The study calculated the steady flow field, transient flow field and aerodynamic noise of a variable cross section pipe by combining ANSYS Fluent with LMS Virtural. Lab. The analysis included the streamline, flow velocity, pressure, and turbulent flow energy of the steady flow field, as well as the noise characteristics at the pipe exit. The pipe's aero-acoustic performance was optimised, and the flow field and acoustic performance of the optimized pipe were analysed. The research indicates that the vortices, pressure loss and aero-acoustics can be reduced by adding a chamfer or fillet at the abrupt change of pipe cross section. The chamfer is more effective in reducing vortices, while the fillet is more effective in reducing pressure loss and pipe noise. This research provides valuable insights for designing low-noise pipes.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Shaofeng Zheng, Ziyi Miao, and Weicai Li "Optimization of aerodynamic acoustics in the pipe with variable cross-sections", Proc. SPIE 13163, Fourth International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2024), 131632G (5 June 2024); https://doi.org/10.1117/12.3030267

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