Numerical study on the receptivity to acoustic disturbances in boundary layer over surface roughness
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- Unno Ryohei
- Tokyo Metropolitan University
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- Anasawa Ayumu
- Tokyo Metropolitan University
Bibliographic Information
- Other Title
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- 境界層中の壁面粗度による音響撹乱受容性に関する数値的研究
Description
<p>The receptivity to acoustic disturbances in zero-pressure-gradient boundary layer over sinusoidal roughness and roughness consisting of two Fourier modes was examined numerically. The results showed that the receptivity coefficients were significantly dependent on acoustic frequency and increased linearly with roughness height up to thickness of stokes layer. It was found that the receptivity of roughness consisting of two Fourier modes was well reproduced by the superposition of receptivity of roughness with each Fourier mode.</p>
Journal
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- NCTAM papers, National Congress of Theoretical and Applied Mechanics, Japan
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NCTAM papers, National Congress of Theoretical and Applied Mechanics, Japan 66 (0), 237-, 2022
National Committee for IUTAM
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Details 詳細情報について
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- CRID
- 1390575263319784320
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- Text Lang
- ja
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- Data Source
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- JaLC
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- Abstract License Flag
- Disallowed