Noise control of supersonic cavity flow with upstream mass blowing

Weipeng Li; Taku Nonomura; Kozo Fujii

doi:10.1007/978-3-642-31818-4_27

Noise control of supersonic cavity flow with upstream mass blowing

Weipeng Li, Taku Nonomura, Kozo Fujii

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

The mechanism and efficiency of noise control in supersonic cavity flows with steady upstream mass blowing are numerically investigated. A slotted jet is placed in the upside of cavity leading edge. The mass blowing is simulated by specifying a vertical velocity ejecting through the slotted jet. The steady upstream mass blowing is an effective approach for the noise suppression in supersonic cavity flows. The strength of the resonant noise and the broadband noise are decreased with a delightful amplitude, that is, approximately 15 dB SPL decrease in the dominant mode and 5 dB SPL decrease in the broadband noise. Two primary mechanisms are addressed for the noise control with steady upstream mass blowing, lifting up of the cavity shear-layer and disruption of shear-layer instability.

Original language	English
Title of host publication	Progress in Hybrid RANS-LES Modelling
Subtitle of host publication	Papers Contributed to the 4th Symposium on Hybrid RANS-LES Methods, Beijing, China, September 2011
Publisher	Springer Verlag
Pages	315-324
Number of pages	10
ISBN (Print)	9783642318177
DOIs	https://doi.org/10.1007/978-3-642-31818-4_27
Publication status	Published - 2012
Externally published	Yes

Publication series

Name	Notes on Numerical Fluid Mechanics and Multidisciplinary Design
Volume	117
ISSN (Print)	1612-2909

ASJC Scopus subject areas

Fluid Flow and Transfer Processes

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10.1007/978-3-642-31818-4_27

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Li, W., Nonomura, T., & Fujii, K. (2012). Noise control of supersonic cavity flow with upstream mass blowing. In Progress in Hybrid RANS-LES Modelling: Papers Contributed to the 4th Symposium on Hybrid RANS-LES Methods, Beijing, China, September 2011 (pp. 315-324). (Notes on Numerical Fluid Mechanics and Multidisciplinary Design; Vol. 117). Springer Verlag. https://doi.org/10.1007/978-3-642-31818-4_27

Noise control of supersonic cavity flow with upstream mass blowing. / Li, Weipeng; Nonomura, Taku; Fujii, Kozo.

Progress in Hybrid RANS-LES Modelling: Papers Contributed to the 4th Symposium on Hybrid RANS-LES Methods, Beijing, China, September 2011. Springer Verlag, 2012. p. 315-324 (Notes on Numerical Fluid Mechanics and Multidisciplinary Design; Vol. 117).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Li, W, Nonomura, T & Fujii, K 2012, Noise control of supersonic cavity flow with upstream mass blowing. in Progress in Hybrid RANS-LES Modelling: Papers Contributed to the 4th Symposium on Hybrid RANS-LES Methods, Beijing, China, September 2011. Notes on Numerical Fluid Mechanics and Multidisciplinary Design, vol. 117, Springer Verlag, pp. 315-324. https://doi.org/10.1007/978-3-642-31818-4_27

Li W, Nonomura T, Fujii K. Noise control of supersonic cavity flow with upstream mass blowing. In Progress in Hybrid RANS-LES Modelling: Papers Contributed to the 4th Symposium on Hybrid RANS-LES Methods, Beijing, China, September 2011. Springer Verlag. 2012. p. 315-324. (Notes on Numerical Fluid Mechanics and Multidisciplinary Design). doi: 10.1007/978-3-642-31818-4_27

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Noise control of supersonic cavity flow with upstream mass blowing

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