書誌事項
- タイトル別名
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- Investigation of Low-frequency Aerodynamic Sound Generated by Shinkansen Trains
抄録
<p>It is known that bogie cavity of Shinkansen trains is a major source of low-frequency aerodynamic noise. To investigate the generation mechanism of low-frequency noise, we conducted CFD analysis using 4-car trainset model . The result shows that meandering flow attributed to the bogie cavity generate low-frequency aerodynamic sound around 6 to 10 Hz, and the pressure fluctuation around 20Hz within the bogie cavity was observed. We found, furthermore, that it is possible to reduce low-frequency aerodynamic sound by changing the shape of the front and back corners of the bogie cavity to a gentle slope, or by reducing the volume of the bogie cavity.</p>
収録刊行物
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- 環境工学総合シンポジウム講演論文集
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環境工学総合シンポジウム講演論文集 2021.31 (0), 130-, 2021
一般社団法人 日本機械学会
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詳細情報 詳細情報について
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- CRID
- 1390572321607519104
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- NII論文ID
- 130008144447
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- ISSN
- 24242969
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可