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Simulation and Modeling of Turbulent Jet Noise

Colonius, T. and Sinha, A. and Rodriguez , D. and Towne, A. and Liu, J. and Brès, G. A. and Appelö, D. and Hagstrom, T. (2015) Simulation and Modeling of Turbulent Jet Noise. In: Direct and Large-Eddy Simulation IX. ERCOFTAC Series. No.20. Springer , Switzerland, pp. 305-310. ISBN 9783319144474.

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Jet noise reduction remains an important long-range goal in commercial and military aviation. Compared with their early counterparts, modern, ultrahigh-bypass-ratio turbofans on commercial aircraft are very quiet, but ever more stringent noise regulations dictate further reductions. In addition, hearing loss by personnel and community noise issues are prompting the military to seek noise reduction on future tactical aircraft. Further increase in bypass ratio not being a practical option, military applications in particular call for nuanced approaches to noise reduction including mixing devices like chevrons or even active noise control approaches using unsteady air injection. In this paper, we briefly review some recent developments in theoretical, experimental and computational approaches to understanding the sound radiated by largescale, coherent structures in jet turbulence that might guide these noise reduction efforts.

Item Type:Book Section
Related URLs:
URLURL TypeDescription Paper Paper ItemWorkshop Site
Colonius, T.0000-0003-0326-3909
Towne, A.0000-0002-7315-5375
Brès, G. A.0000-0003-2507-8659
Additional Information:© 2015 Springer. First Online: 28 January 2015.
Subject Keywords:Large Eddy Simulation; Proper Orthogonal Decomposition; Linear Stability Theory; Active Noise Control; Parabolized Stability Equation
Series Name:ERCOFTAC Series
Issue or Number:20
Record Number:CaltechAUTHORS:20190712-112321094
Persistent URL:
Official Citation:Colonius T. et al. (2015) Simulation and Modeling of Turbulent Jet Noise. In: Fröhlich J., Kuerten H., Geurts B., Armenio V. (eds) Direct and Large-Eddy Simulation IX. ERCOFTAC Series, vol 20. Springer, Cham
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:97104
Deposited By: Melissa Ray
Deposited On:15 Jul 2019 16:59
Last Modified:03 Oct 2019 21:28

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