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Analysis of aerodynamic and aeroacoustic behaviour of a simplified high-speed train bogie

Analysis of aerodynamic and aeroacoustic behaviour of a simplified high-speed train bogie
Analysis of aerodynamic and aeroacoustic behaviour of a simplified high-speed train bogie
As one of the main aerodynamic noise sources of high-speed trains, the bogie is a complex structure containing many components and the flow around it is extremely dynamic with high-level turbulence. Flow around a simplified bogie at scale 1:10 is studied numerically using Computational Fluid Dynamics (CFD) for comparison with experimental measurements. The upstream inlet flow is represented as a steady uniform flow of low turbulence level in the simulations. Following a rigorous grid refinement study, multi-block fully structured meshes with hexahedral cells are generated for all cases to improve numerical efficiency and accuracy. The aerodynamic and aeroacoustic behaviour of the flow past an isolated wheelset, tandem wheelsets and a simplified bogie are investigated.
Zhu, J
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Hu, Zhiwei
dd985844-1e6b-44ba-9e1d-fa57c6c88d65
Thompson, D.J.
bca37fd3-d692-4779-b663-5916b01edae5
Zhu, J
bde9cd8b-e917-4e15-beb6-e9251c1b9133
Hu, Zhiwei
dd985844-1e6b-44ba-9e1d-fa57c6c88d65
Thompson, D.J.
bca37fd3-d692-4779-b663-5916b01edae5

Zhu, J, Hu, Zhiwei and Thompson, D.J. (2013) Analysis of aerodynamic and aeroacoustic behaviour of a simplified high-speed train bogie. 11th International Workshop on Railway Noise (IWRN), Uddevalla, Sweden. 08 - 12 Sep 2013. 8 pp .

Record type: Conference or Workshop Item (Paper)

Abstract

As one of the main aerodynamic noise sources of high-speed trains, the bogie is a complex structure containing many components and the flow around it is extremely dynamic with high-level turbulence. Flow around a simplified bogie at scale 1:10 is studied numerically using Computational Fluid Dynamics (CFD) for comparison with experimental measurements. The upstream inlet flow is represented as a steady uniform flow of low turbulence level in the simulations. Following a rigorous grid refinement study, multi-block fully structured meshes with hexahedral cells are generated for all cases to improve numerical efficiency and accuracy. The aerodynamic and aeroacoustic behaviour of the flow past an isolated wheelset, tandem wheelsets and a simplified bogie are investigated.

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More information

e-pub ahead of print date: 9 September 2013
Venue - Dates: 11th International Workshop on Railway Noise (IWRN), Uddevalla, Sweden, 2013-09-08 - 2013-09-12
Organisations: Dynamics Group, Aerodynamics & Flight Mechanics Group

Identifiers

Local EPrints ID: 358515
URI: http://eprints.soton.ac.uk/id/eprint/358515
PURE UUID: 439dc402-b50d-44ef-a38e-049fa0c6704a
ORCID for D.J. Thompson: ORCID iD orcid.org/0000-0002-7964-5906

Catalogue record

Date deposited: 17 Oct 2013 10:36
Last modified: 21 Nov 2021 02:44

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Contributors

Author: J Zhu
Author: Zhiwei Hu
Author: D.J. Thompson ORCID iD

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