Corrugated pipe segment with anechoic termination: critical Mach number for whistling

Oleksii Rudenko; Güneş Nakiboǧlu; Ad Holten; Avraham Hirschberg

doi:10.2514/6.2013-2026

Corrugated pipe segment with anechoic termination: critical Mach number for whistling

Oleksii Rudenko, Güneş Nakiboǧlu, Ad Holten, Avraham Hirschberg

Fluids and Flows

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

2 Citations (Scopus)

Abstract

Corrugated pipes combine local stiffness with global flexibility, which makes them very useful. A drawback of corrugated pipes is the whistling, which results from coupling of vortex shedding with acoustic plane waves due to the flow through the pipe. We consider the possibility to reduce whistling by placing a short corrugated pipe segment along a long smooth pipe. A linear model is proposed in which the magnitude of the dipolar sound source is determined empirically. The model allows to estimate the critical Mach number of the flow through the pipe above which the whistling will always occur even for anechoic pipe terminations.

Original language	English
Title of host publication	19th AIAA/CEAS Aeroacoustics Conference
Publisher	American Institute of Aeronautics and Astronautics Inc. (AIAA)
Number of pages	18
ISBN (Print)	9781624102134
DOIs	https://doi.org/10.2514/6.2013-2026
Publication status	Published - 16 Sept 2013
Event	19th AIAA/CEAS Aeroacoustics Conference - Berlin, Germany Duration: 27 May 2013 → 29 May 2013

Conference

Conference	19th AIAA/CEAS Aeroacoustics Conference
Country/Territory	Germany
City	Berlin
Period	27/05/13 → 29/05/13

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title = "Corrugated pipe segment with anechoic termination: critical Mach number for whistling",

abstract = "Corrugated pipes combine local stiffness with global flexibility, which makes them very useful. A drawback of corrugated pipes is the whistling, which results from coupling of vortex shedding with acoustic plane waves due to the flow through the pipe. We consider the possibility to reduce whistling by placing a short corrugated pipe segment along a long smooth pipe. A linear model is proposed in which the magnitude of the dipolar sound source is determined empirically. The model allows to estimate the critical Mach number of the flow through the pipe above which the whistling will always occur even for anechoic pipe terminations.",

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Rudenko, O, Nakiboǧlu, G, Holten, A & Hirschberg, A 2013, Corrugated pipe segment with anechoic termination: critical Mach number for whistling. in 19th AIAA/CEAS Aeroacoustics Conference., AIAA-2013-2026, American Institute of Aeronautics and Astronautics Inc. (AIAA), 19th AIAA/CEAS Aeroacoustics Conference, Berlin, Germany, 27/05/13. https://doi.org/10.2514/6.2013-2026

Corrugated pipe segment with anechoic termination: critical Mach number for whistling. / Rudenko, Oleksii; Nakiboǧlu, Güneş; Holten, Ad et al.
19th AIAA/CEAS Aeroacoustics Conference. American Institute of Aeronautics and Astronautics Inc. (AIAA), 2013. AIAA-2013-2026.

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

TY - GEN

T1 - Corrugated pipe segment with anechoic termination

T2 - 19th AIAA/CEAS Aeroacoustics Conference

AU - Rudenko, Oleksii

AU - Nakiboǧlu, Güneş

AU - Holten, Ad

AU - Hirschberg, Avraham

PY - 2013/9/16

Y1 - 2013/9/16

N2 - Corrugated pipes combine local stiffness with global flexibility, which makes them very useful. A drawback of corrugated pipes is the whistling, which results from coupling of vortex shedding with acoustic plane waves due to the flow through the pipe. We consider the possibility to reduce whistling by placing a short corrugated pipe segment along a long smooth pipe. A linear model is proposed in which the magnitude of the dipolar sound source is determined empirically. The model allows to estimate the critical Mach number of the flow through the pipe above which the whistling will always occur even for anechoic pipe terminations.

AB - Corrugated pipes combine local stiffness with global flexibility, which makes them very useful. A drawback of corrugated pipes is the whistling, which results from coupling of vortex shedding with acoustic plane waves due to the flow through the pipe. We consider the possibility to reduce whistling by placing a short corrugated pipe segment along a long smooth pipe. A linear model is proposed in which the magnitude of the dipolar sound source is determined empirically. The model allows to estimate the critical Mach number of the flow through the pipe above which the whistling will always occur even for anechoic pipe terminations.

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DO - 10.2514/6.2013-2026

M3 - Conference contribution

AN - SCOPUS:84883736412

SN - 9781624102134

BT - 19th AIAA/CEAS Aeroacoustics Conference

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

Y2 - 27 May 2013 through 29 May 2013

ER -

Corrugated pipe segment with anechoic termination: critical Mach number for whistling

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