空力音における数値解析の有効性

• 村中, 洋子

書誌事項

タイトル別名

• Validity of Numerical Analysis for the Aeroacoustics
• クウリキオン ニ オケル スウチ カイセキ ノ ユウコウセイ

抄録

P(論文)

An edge tone is self excited sound, which is one of the important phenomena in subsonic aerodynamic noise. This edge tone problem is numerically simulated using two-dimensional thin-layer Navier-Stokes equations. The slit width of the jet is changed with the jet speed and the distance to the edge kept constant. Another condition corresponds to the experiment by Brown. With the certain grid resolution, acoustic propagation is well captured. The FFT analysis shows that the amplitude of the acoustic wave is influenced by the jet width and the frequency agree with Brown's experimental result. Although the computational result is qualitative as far, it indicates the future possibility of the numerical approach for understanding the mechanism of the edge tone problem.

収録刊行物

• 研究紀要

  研究紀要 22 123-138, 1998-12-20

  東京 : 東京音楽大学紀要編集委員会

詳細情報

• CRID: 1050564287590943104
• NII論文ID: 110004632593
• NII書誌ID: AN00158002
• ISSN: 02861518
• NDL書誌ID: 4786929
• Web Site: https://tokyo-ondai.repo.nii.ac.jp/records/782
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I4786929
• 本文言語コード: ja
• 資料種別: departmental bulletin paper
• データソース種別:
  • IRDB
  • NDL
  • CiNii Articles