Validations and improvements of airfoil trailing-edge noise prediction models using detailed experimental data

Publication: Research - peer-reviewJournal article – Annual report year: 2011

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Validations and improvements of airfoil trailing-edge noise prediction models using detailed experimental data. / Kamruzzaman, M.; Lutz, Th.; Würz, W.; Shen, Wen Zhong; Zhu, Wei Jun; Hansen, Martin Otto Laver; Bertagnolio, Franck; Aagaard Madsen, Helge.

In: Wind Energy, Vol. 15, No. 1, 2012, p. 45-61.

Publication: Research - peer-reviewJournal article – Annual report year: 2011

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Kamruzzaman, M.; Lutz, Th.; Würz, W.; Shen, Wen Zhong; Zhu, Wei Jun; Hansen, Martin Otto Laver; Bertagnolio, Franck; Aagaard Madsen, Helge / Validations and improvements of airfoil trailing-edge noise prediction models using detailed experimental data.

In: Wind Energy, Vol. 15, No. 1, 2012, p. 45-61.

Publication: Research - peer-reviewJournal article – Annual report year: 2011

Bibtex

@article{2eac83c6daaf47e0a21d03ee3037f618,
title = "Validations and improvements of airfoil trailing-edge noise prediction models using detailed experimental data",
keywords = "Two-point correlation, Wall pressure fluctuation, Trailing-edge noise, Far-field noise spectrum, Turbulent boundary-layer, Aeroelastic design methods, Aeroelastiske designmetoder",
publisher = "John/Wiley & Sons Ltd.",
author = "M. Kamruzzaman and Th. Lutz and W. Würz and Shen, {Wen Zhong} and Zhu, {Wei Jun} and Hansen, {Martin Otto Laver} and Franck Bertagnolio and {Aagaard Madsen}, Helge",
year = "2012",
doi = "10.1002/we.505",
volume = "15",
number = "1",
pages = "45--61",
journal = "Wind Energy",
issn = "1095-4244",

}

RIS

TY - JOUR

T1 - Validations and improvements of airfoil trailing-edge noise prediction models using detailed experimental data

A1 - Kamruzzaman,M.

A1 - Lutz,Th.

A1 - Würz,W.

A1 - Shen,Wen Zhong

A1 - Zhu,Wei Jun

A1 - Hansen,Martin Otto Laver

A1 - Bertagnolio,Franck

A1 - Aagaard Madsen,Helge

AU - Kamruzzaman,M.

AU - Lutz,Th.

AU - Würz,W.

AU - Shen,Wen Zhong

AU - Zhu,Wei Jun

AU - Hansen,Martin Otto Laver

AU - Bertagnolio,Franck

AU - Aagaard Madsen,Helge

PB - John/Wiley & Sons Ltd.

PY - 2012

Y1 - 2012

N2 - This paper describes an extensive assessment and a step by step validation of different turbulent boundary-layer trailing-edge noise prediction schemes developed within the European Union funded wind energy project UpWind. To validate prediction models, measurements of turbulent boundary-layer properties such as two-point turbulent velocity correlations, the spectra of the associated wall pressure fluctuations and the emitted trailing-edge far-field noise were performed in the laminar wind tunnel of the Institute of Aerodynamics and Gas Dynamics, University of Stuttgart. The measurements were carried out for a NACA 643-418 airfoil, at Re  =  2.5 ×106, angle of attack of −6° to 6°. Numerical results of different prediction schemes are extensively validated and discussed elaborately. The investigations on the TNO-Blake noise prediction model show that the numerical wall pressure fluctuation and far-field radiated noise models capture well the measured peak amplitude level as well as the peak position if the turbulence noise source parameters are estimated properly including turbulence anisotropy effects. Large eddy simulation based computational aeroacoustic computations show good agreements with measurements in the frequency region higher than 1 kHz, whereas they over-predict the sound pressure level in the low-frequency region. Copyright © 2011 John Wiley & Sons, Ltd.

AB - This paper describes an extensive assessment and a step by step validation of different turbulent boundary-layer trailing-edge noise prediction schemes developed within the European Union funded wind energy project UpWind. To validate prediction models, measurements of turbulent boundary-layer properties such as two-point turbulent velocity correlations, the spectra of the associated wall pressure fluctuations and the emitted trailing-edge far-field noise were performed in the laminar wind tunnel of the Institute of Aerodynamics and Gas Dynamics, University of Stuttgart. The measurements were carried out for a NACA 643-418 airfoil, at Re  =  2.5 ×106, angle of attack of −6° to 6°. Numerical results of different prediction schemes are extensively validated and discussed elaborately. The investigations on the TNO-Blake noise prediction model show that the numerical wall pressure fluctuation and far-field radiated noise models capture well the measured peak amplitude level as well as the peak position if the turbulence noise source parameters are estimated properly including turbulence anisotropy effects. Large eddy simulation based computational aeroacoustic computations show good agreements with measurements in the frequency region higher than 1 kHz, whereas they over-predict the sound pressure level in the low-frequency region. Copyright © 2011 John Wiley & Sons, Ltd.

KW - Two-point correlation

KW - Wall pressure fluctuation

KW - Trailing-edge noise

KW - Far-field noise spectrum

KW - Turbulent boundary-layer

KW - Aeroelastic design methods

KW - Aeroelastiske designmetoder

U2 - 10.1002/we.505

DO - 10.1002/we.505

JO - Wind Energy

JF - Wind Energy

SN - 1095-4244

IS - 1

VL - 15

SP - 45

EP - 61

ER -