Experimental investigation and calibration of surface pressure modeling for trailing edge noise

Franck Bertagnolio

Experimental investigation and calibration of surface pressure modeling for trailing edge noise

Franck Bertagnolio

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

Abstract

The modeling of the surface pressure spectrum under a turbulent boundary layer is investigated in the presence of an adverse pressure gradient along the flow direction. It is shown that discrepancies between measurements and results from a well-known model increase as the pressure gradient increases. This model is modified by introducing anisotropy in the definition of the vertical velocity component spectrum across the boundary layer. The degree of anisotropy is directly related to the strength of the pressure gradient. It is shown that by appropriately normalizing the pressure gradient and by tuning the anisotropy factor, experimental results can be closely reproduced by the modified model.

Original language	English
Title of host publication	Proceedings of the 40th International Congress and Exposition on Noise Control Engineering 2011 (INTER-NOISE 2011)
Publication date	2011
Pages	222-228
ISBN (Print)	9781618392800
Publication status	Published - 2011
Event	INTER-NOISE 2011 : 40th International Congress and Exposition on Noise Control Engineering - Osaka, Japan Duration: 4 Sept 2011 → 7 Sept 2011 Conference number: 40

Conference

Conference	INTER-NOISE 2011 : 40th International Congress and Exposition on Noise Control Engineering
Number	40
Country/Territory	Japan
City	Osaka
Period	04/09/2011 → 07/09/2011

Keywords

Aeroelastic design methods
Acoustic variables control
Boundary layer flow
Exhibitions
Pressure gradient
Anisotropy
Airfoil noise
Surface pressure
Trailing-edge noise modeling
Adverse pressure gradient
Anisotropy factor
Degree of anisotropy
Experimental investigations
Flow direction
Modified model
Surface pressures
Trailing edge noise
Turbulent boundary layers
Vertical velocity components

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@inproceedings{2d5727e60f42463ea31a4820efec56fb,

title = "Experimental investigation and calibration of surface pressure modeling for trailing edge noise",

abstract = "The modeling of the surface pressure spectrum under a turbulent boundary layer is investigated in the presence of an adverse pressure gradient along the flow direction. It is shown that discrepancies between measurements and results from a well-known model increase as the pressure gradient increases. This model is modified by introducing anisotropy in the definition of the vertical velocity component spectrum across the boundary layer. The degree of anisotropy is directly related to the strength of the pressure gradient. It is shown that by appropriately normalizing the pressure gradient and by tuning the anisotropy factor, experimental results can be closely reproduced by the modified model.",

keywords = "Aeroelastic design methods, Acoustic variables control, Boundary layer flow, Exhibitions, Pressure gradient, Anisotropy, Airfoil noise, Surface pressure, Trailing-edge noise modeling, Adverse pressure gradient, Anisotropy factor, Degree of anisotropy, Experimental investigations, Flow direction, Modified model, Surface pressures, Trailing edge noise, Turbulent boundary layers, Vertical velocity components, Aeroelastiske designmetoder",

author = "Franck Bertagnolio",

year = "2011",

language = "English",

isbn = "9781618392800",

pages = "222--228",

booktitle = "Proceedings of the 40th International Congress and Exposition on Noise Control Engineering 2011 (INTER-NOISE 2011)",

note = "INTER-NOISE 2011 : 40th International Congress and Exposition on Noise Control Engineering ; Conference date: 04-09-2011 Through 07-09-2011",

}

Experimental investigation and calibration of surface pressure modeling for trailing edge noise. / Bertagnolio, Franck.
Proceedings of the 40th International Congress and Exposition on Noise Control Engineering 2011 (INTER-NOISE 2011). 2011. p. 222-228.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

TY - GEN

T1 - Experimental investigation and calibration of surface pressure modeling for trailing edge noise

AU - Bertagnolio, Franck

N1 - Conference code: 40

PY - 2011

Y1 - 2011

N2 - The modeling of the surface pressure spectrum under a turbulent boundary layer is investigated in the presence of an adverse pressure gradient along the flow direction. It is shown that discrepancies between measurements and results from a well-known model increase as the pressure gradient increases. This model is modified by introducing anisotropy in the definition of the vertical velocity component spectrum across the boundary layer. The degree of anisotropy is directly related to the strength of the pressure gradient. It is shown that by appropriately normalizing the pressure gradient and by tuning the anisotropy factor, experimental results can be closely reproduced by the modified model.

AB - The modeling of the surface pressure spectrum under a turbulent boundary layer is investigated in the presence of an adverse pressure gradient along the flow direction. It is shown that discrepancies between measurements and results from a well-known model increase as the pressure gradient increases. This model is modified by introducing anisotropy in the definition of the vertical velocity component spectrum across the boundary layer. The degree of anisotropy is directly related to the strength of the pressure gradient. It is shown that by appropriately normalizing the pressure gradient and by tuning the anisotropy factor, experimental results can be closely reproduced by the modified model.

KW - Aeroelastic design methods

KW - Acoustic variables control

KW - Boundary layer flow

KW - Exhibitions

KW - Pressure gradient

KW - Anisotropy

KW - Airfoil noise

KW - Surface pressure

KW - Trailing-edge noise modeling

KW - Adverse pressure gradient

KW - Anisotropy factor

KW - Degree of anisotropy

KW - Experimental investigations

KW - Flow direction

KW - Modified model

KW - Surface pressures

KW - Trailing edge noise

KW - Turbulent boundary layers

KW - Vertical velocity components

KW - Aeroelastiske designmetoder

M3 - Article in proceedings

SN - 9781618392800

SP - 222

EP - 228

BT - Proceedings of the 40th International Congress and Exposition on Noise Control Engineering 2011 (INTER-NOISE 2011)

T2 - INTER-NOISE 2011 : 40th International Congress and Exposition on Noise Control Engineering

Y2 - 4 September 2011 through 7 September 2011

ER -

Experimental investigation and calibration of surface pressure modeling for trailing edge noise

Abstract

Conference

Keywords

OpenUrl availability

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