Whistling of restriction orifices: aeroacoustic source identification

J. Golliard; N. González Díez; Gunes Nakiboǧlu; A. Hirschberg

doi:10.2514/6.2011-2776

Whistling of restriction orifices: aeroacoustic source identification

J. Golliard, N. González Díez, Gunes Nakiboǧlu, A. Hirschberg

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

Abstract

The study presents a simple source identification method applied to restriction orifices. A restriction orice in a duct can whistle when it is submitted to a low Mach number flow. The orice acts as an amplifier for the incident acoustic energy. The method, earlier presented by Martinez-Lera et al¹ and improved by Nakiboglu et al,² combines incompressible numerical simulations with vortex sound theory. The application of the method to the source identification of whistling restriction orifices predicts whistling at Strouhal numbers similar to earlier experimental and numerical studies, with limited computational effort.

Original language	English
Title of host publication	17th AIAA/CEAS Aeroacoustics Conference 2011 (32nd AIAA Aeroacoustics Conference)
Place of Publication	Reston
Publisher	American Institute of Aeronautics and Astronautics Inc. (AIAA)
Number of pages	7
ISBN (Print)	978-1-60086-943-3
DOIs	https://doi.org/10.2514/6.2011-2776
Publication status	Published - 1 Dec 2011
Event	17th AIAA/CEAS Aeroacoustics Conference - Portland, United States Duration: 5 Jun 2011 → 8 Jun 2011

Conference

Conference	17th AIAA/CEAS Aeroacoustics Conference
Country/Territory	United States
City	Portland
Period	5/06/11 → 8/06/11
Other	32nd AIAA Aeroacoustics, 5-8 June 2011, Portland, Or

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10.2514/6.2011-2776

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title = "Whistling of restriction orifices: aeroacoustic source identification",

abstract = "The study presents a simple source identification method applied to restriction orifices. A restriction orice in a duct can whistle when it is submitted to a low Mach number flow. The orice acts as an amplifier for the incident acoustic energy. The method, earlier presented by Martinez-Lera et al1 and improved by Nakiboglu et al,2 combines incompressible numerical simulations with vortex sound theory. The application of the method to the source identification of whistling restriction orifices predicts whistling at Strouhal numbers similar to earlier experimental and numerical studies, with limited computational effort.",

author = "J. Golliard and {Gonz{\'a}lez D{\'i}ez}, N. and Gunes Nakiboǧlu and A. Hirschberg",

year = "2011",

month = dec,

day = "1",

doi = "10.2514/6.2011-2776",

language = "English",

isbn = "978-1-60086-943-3",

booktitle = "17th AIAA/CEAS Aeroacoustics Conference 2011 (32nd AIAA Aeroacoustics Conference)",

publisher = "American Institute of Aeronautics and Astronautics Inc. (AIAA)",

address = "United States",

note = "17th AIAA/CEAS Aeroacoustics Conference ; Conference date: 05-06-2011 Through 08-06-2011",

}

Golliard, J, González Díez, N, Nakiboǧlu, G & Hirschberg, A 2011, Whistling of restriction orifices: aeroacoustic source identification. in 17th AIAA/CEAS Aeroacoustics Conference 2011 (32nd AIAA Aeroacoustics Conference)., AIAA-2011-2776, American Institute of Aeronautics and Astronautics Inc. (AIAA), Reston, 17th AIAA/CEAS Aeroacoustics Conference, Portland, Oregon, United States, 5/06/11. https://doi.org/10.2514/6.2011-2776

Whistling of restriction orifices: aeroacoustic source identification. / Golliard, J.; González Díez, N.; Nakiboǧlu, Gunes et al.
17th AIAA/CEAS Aeroacoustics Conference 2011 (32nd AIAA Aeroacoustics Conference). Reston: American Institute of Aeronautics and Astronautics Inc. (AIAA), 2011. AIAA-2011-2776.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

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T1 - Whistling of restriction orifices

T2 - 17th AIAA/CEAS Aeroacoustics Conference

AU - Golliard, J.

AU - González Díez, N.

AU - Nakiboǧlu, Gunes

AU - Hirschberg, A.

PY - 2011/12/1

Y1 - 2011/12/1

N2 - The study presents a simple source identification method applied to restriction orifices. A restriction orice in a duct can whistle when it is submitted to a low Mach number flow. The orice acts as an amplifier for the incident acoustic energy. The method, earlier presented by Martinez-Lera et al1 and improved by Nakiboglu et al,2 combines incompressible numerical simulations with vortex sound theory. The application of the method to the source identification of whistling restriction orifices predicts whistling at Strouhal numbers similar to earlier experimental and numerical studies, with limited computational effort.

AB - The study presents a simple source identification method applied to restriction orifices. A restriction orice in a duct can whistle when it is submitted to a low Mach number flow. The orice acts as an amplifier for the incident acoustic energy. The method, earlier presented by Martinez-Lera et al1 and improved by Nakiboglu et al,2 combines incompressible numerical simulations with vortex sound theory. The application of the method to the source identification of whistling restriction orifices predicts whistling at Strouhal numbers similar to earlier experimental and numerical studies, with limited computational effort.

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M3 - Conference contribution

SN - 978-1-60086-943-3

BT - 17th AIAA/CEAS Aeroacoustics Conference 2011 (32nd AIAA Aeroacoustics Conference)

PB - American Institute of Aeronautics and Astronautics Inc. (AIAA)

CY - Reston

Y2 - 5 June 2011 through 8 June 2011

ER -

Whistling of restriction orifices: aeroacoustic source identification

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