Andreas Fischer

Andreas Fischer

Senior Researcher

DTU WIND ENERGY
Department of Wind Energy

Technical University of Denmark

Building 114 15-17

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2019
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Analysis of low-frequency noise from wind turbines using a temporal noise code

Bertagnolio, Franck ; Aagaard Madsen , Helge ; Fischer, Andreas
part of: Proceedings of the 23rd International Congress on Acoustics, 2019
Presented at:
23rd International Congress on Acoustics

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2019

 

Trailing Edge Noise Prediction of Wind Turbine Airfoils: A Benchmark Exercise

Gasch, O. Ferret ; Oerlemans, S. ; Faßmann, B. W. ; Herr, M. ; Bertagnolio, F. ; Fischer, A. ; Arnold, B. ; Lutz, T.
part of: Proceedings of the 25th AIAA/CEAS Aeroacoustics Conference, 2019, Aerospace Research Central (ARC)
Presented at:
25th AIAA/CEAS Aeroacoustics Conference

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.2514/6.2019-2675

2018
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Advanced Wind Tunnel Boundary Simulation for Kevlar Wall Aeroacoustic Wind Tunnels

Devenport, William ; Brown, Ken ; Borgoltz , Aurelien ; Paterson, Eric ; Bak, Christian ; Sørensen, Niels N. ; Olsen, Anders Smærup ; Gaunaa, Mac ; Fischer, Andreas ; Grinderslev, Christian
Presented at:
Advanced Wind Tunnel Boundary Simulation

Type: Paper (Peer reviewed)

Status: Published     |    Year: 2018

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Experimental and numerical validation of active flaps for wind turbine blades

Gomez Gonzalez, A ; Enevoldsen, P B ; Akay, B ; Barlas, T K ; Fischer, Andreas ; Aa Madsen, H
in: Journal of Physics: Conference Series, vol: 1037, issue: 2
Presented at:
The Science of Making Torque from Wind 2018

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1088/1742-6596/1037/2/022039

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Inflow Turbulence and Leading Edge Roughness Effects on Laminar-Turbulent Transition on NACA 63-418 Airfoil

Özçakmak, Ö S ; Madsen, H A ; Sørensen, N N ; Sørensen, J N ; Fischer, Andreas ; Bak, C
in: Journal of Physics: Conference Series, vol: 1037, issue: 2
Presented at:
The Science of Making Torque from Wind 2018

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1088/1742-6596/1037/2/022005

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Noise emission from wind turbines in wake - Measurement and modeling

Bertagnolio, Franck ; Aa Madsen, Helge ; Fischer, Andreas
in: Journal of Physics: Conference Series, vol: 1037, issue: 2
Presented at:
The Science of Making Torque from Wind 2018

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1088/1742-6596/1037/2/022001

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Wind tunnel tests of an airfoil with 18% relative thickness equipped with vortex generators

Bak, Christian ; Skrzypiński, Witold ; Fischer, Andreas ; Gaunaa, Mac ; Brønnum, Niels Fiil ; Kruse, Emil K.
in: Journal of Physics: Conference Series, vol: 1037, issue: 2
Presented at:
The Science of Making Torque from Wind 2018

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1088/1742-6596/1037/2/022044

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Wind Turbine Acoustic Day 2018 - Summary of the 3rd edition

Mogensen, Jesper ; Søndergaard, Bo ; Hünerbein, Sabine Von ; Søndergaard, Lars S. ; Hansen, Tomas R. ; Hurault, Jérémy ; Bertagnolio, Franck ; Kelly, Mark C. ; Shen, Wen Zhong ; Bak, Christian ; Fischer, Andreas

Type: Report (Peer reviewed)

Status: Published     |    Year: 2018

2017
 

A combined aeroelastic-aeroacoustic model for wind turbine noise: Verification and analysis of field measurements

Bertagnolio, Franck ; Aagaard Madsen , Helge ; Fischer, Andreas
in: Wind Energy, vol: 20, issue: 8, pages: 1331-1348

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1002/we.2096

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A semi-empirical airfoil stall noise model based on surface pressure measurements

Bertagnolio, Franck ; Aagaard Madsen , Helge ; Fischer, Andreas ; Bak, Christian
in: Journal of Sound and Vibration, vol: 387, pages: 127-162

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1016/j.jsv.2016.09.033

 

A temporal wind turbine model for low-frequency noise

Bertagnolio, Franck ; Madsen, Helge Aa ; Fischer, Andreas
part of: 46th International Congress and Exposition on Noise Control Engineering: Taming Noise and Moving Quiet, INTER-NOISE 2017, 2018
Presented at:
Internoise 2017

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2017

 

Improvement of TNO type trailing edge noise models

Fischer, Andreas ; Bertagnolio, Franck ; Aagaard Madsen , Helge
in: European Journal of Mechanics B - Fluids, vol: 61, pages: 255-262

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1016/j.euromechflu.2016.09.005

2016
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A novel full scale experimental characterization of wind turbine aero-acoustic noise sources - preliminary results

Aagaard Madsen , Helge ; Bertagnolio, Franck ; Fischer, Andreas ; Bak, Christian ; Schmidt Paulsen, Uwe
part of: Proceedings of the International Symposium on Transport Phenomena and Dynamics of Rotating Machinery, ISROMAC 2016, 2016
Presented at:
16th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2016

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Improvement of TNO type trailing edge noise models

Fischer, Andreas ; Bertagnolio, Franck ; Aagaard Madsen , Helge
part of: Proceedings of 16th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery, 2016
Presented at:
16th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2016

 

Investigation of the theoretical load alleviation potential using trailing edge flaps controlled by inflow data

Fischer, Andreas ; Aagaard Madsen , Helge
in: Wind Energy, vol: 19, issue: 9, pages: 1567-1583

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1002/we.1937

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Noise model for serrated trailing edges compared to wind tunnel measurements

Fischer, Andreas ; Bertagnolio, Franck ; Shen, Wen Zhong ; Madsen, Jesper
in: Journal of Physics: Conference Series (Online), vol: 753
Presented at:
The Science of Making Torque from Wind 2016

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1088/1742-6596/753/2/022053

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Validation of an Aero-Acoustic Wind Turbine Noise Model Using Advanced Noise Source Measurements of a 500kW Turbine

Bertagnolio, Franck ; Aagaard Madsen , Helge ; Fischer, Andreas ; Bak, Christian
part of: 2016 Proceedings of 16th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery, 2016
Presented at:
16th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2016

2015
 

Aerodynamic noise characterization of a full-scale wind turbine through high-frequency surface pressure measurements

Bertagnolio, Franck ; Aagaard Madsen , Helge ; Bak, Christian ; Troldborg, Niels ; Fischer, Andreas
in: International Journal of Aeroacoustics, vol: 14, issue: 5-6, pages: 729-766

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1260/1475-472X.14.5-6.729

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An overview of recent research on AM and OAM of wind turbine noise

Aagaard Madsen , Helge ; Bertagnolio, Franck ; Fischer, Andreas
Presented at:
6th International Conference on Wind Turbine Noise

Type: Sound/Visual production (digital)

Status: Published     |    Year: 2015

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Basic Principles and Evidences of Wind Turbine Noise Generation Mechanisms

Bertagnolio, Franck ; Aagaard Madsen , Helge ; Fischer, Andreas ; Bak, Christian
Presented at:
6th International Conference on Wind Turbine Noise

Type: Sound/Visual production (digital)

Status: Published     |    Year: 2015

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Experimental Characterization of Stall Noise Toward its Modelling

Bertagnolio, Franck ; Aagaard Madsen , Helge ; Fischer, Andreas ; Bak, Christian
part of: Proceedings of the 6th International Conference on Wind Turbine Noise, 2015
Presented at:
6th International Conference on Wind Turbine Noise

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2015

 

Experimental investigation of the surface pressure field for prediction of trailing edge noise of wind turbine aerofoils

Fischer, Andreas ; Aagaard Madsen , Helge ; Bertagnolio, Franck
in: International Journal of Aeroacoustics, vol: 14, issue: 5-6, pages: 767-810

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1260/1475-472X.14.5-6.767

2014
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Analyses of the mechanisms of amplitude modulation of aero-acoustic wind turbine sound

Fischer, Andreas ; Aagaard Madsen , Helge ; Kragh, Knud Abildgaard ; Bertagnolio, Franck
part of: Proceedings of European Wind Energy Association Conference and Exhibition 2014, 2014, European Wind Energy Association (EWEA)
Presented at:
European Wind Energy Conference & Exhibition 2014

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2014

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Analyses of the mechanisms of amplitude modulation of aero-acoustic wind turbine sound

Fischer, Andreas ; Aagaard Madsen , Helge ; Kragh, Knud Abildgaard ; Bertagnolio, Franck
Presented at:
European Wind Energy Conference & Exhibition 2014

Type: Sound/Visual production (digital)

Status: Published     |    Year: 2014

 

Correlation of amplitude modulation to inflow characteristics

Aagaard Madsen , Helge ; Bertagnolio, Franck ; Fischer, Andreas ; Bak, Christian
part of: Proceedings of 43rd International Congress on Noise Control Engineering, 2015, The Australian Acoustical Society, Melbourne, Australia
Presented at:
43rd International Congress on Noise Control Engineering

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2014

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Cyclic pitch for the control of wind turbine noise amplitude modulation

Bertagnolio, Franck ; Aagaard Madsen , Helge ; Fischer, Andreas ; Bak, Christian
part of: Proceedings of Inter-noise 2014, 2014
Presented at:
43rd International Congress on Noise Control Engineering

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2014

 

Design and validation of the high performance and low noise CQU-DTU-LN1 airfoils

Cheng, Jiangtao ; Zhu, Wei Jun ; Fischer, Andreas ; Ramos García, Néstor ; Madsen, Jesper ; Chen, Jin ; Shen, Wen Zhong
in: Wind Energy, vol: 17, issue: 12, pages: 1817-1833

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1002/we.1668

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Investigation of the maximum load alleviation potential using trailing edge flaps controlled by inflow data

Fischer, Andreas ; Aagaard Madsen , Helge
in: Journal of Physics: Conference Series (Online), vol: 555
Presented at:
The science of Making Torque from Wind 2012

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1088/1742-6596/555/1/012037

 

Tuning of turbulent boundary layer anisotropy for improved surface pressure and trailing-edge noise modeling

Bertagnolio, Franck ; Fischer, Andreas ; Zhu, Wei Jun
in: Journal of Sound and Vibration, vol: 333, issue: 3, pages: 991-1010

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1016/j.jsv.2013.10.008

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Validation of the CQU-DTU-LN1 series of airfoils

Shen, Wen Zhong ; Zhu, Wei Jun ; Fischer, Andreas ; Ramos García, Néstor ; Cheng, Jiangtao ; Chen, Jin ; Madsen, J.
in: Journal of Physics: Conference Series (Online), vol: 555
Presented at:
The science of Making Torque from Wind 2012

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1088/1742-6596/555/1/012093

2013
 

Fatigue Load Reduction Potential with deformable rubber trailing edge flaps

Fischer, Andreas ; Andersen, Peter Bjørn ; Bergami, Leonardo ; Aagaard Madsen , Helge
part of: Proceedings of 12th World Wind Energy Conference & Renewable Energy Exhibition (WWEC 2013), 2013, World Wind Energy Association (WWEA)
Presented at:
12th World Wind Energy Conference & Renewable Energy Exhibition (WWEC 2013)

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2013

 

Load alleviation potential with trailing edge flaps for turbines in wake operation

Fischer, Andreas ; Aagaard Madsen , Helge
part of: Proceedings of the 2013 International Conference on aerodynamics of Offshore Wind Energy Systems and wakes (ICOWES2013), 2013, Technical University of Denmark
Presented at:
International Conference on aerodynamics of Offshore Wind Energy Systems and wakes (ICOWES 2013)

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2013

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Retrieving wind statistics from average spectrum of continuous-wave lidar

Branlard, Emmanuel ; Pedersen, Anders Tegtmeier ; Mann, Jakob ; Angelou, Nikolas ; Fischer, Andreas ; Mikkelsen, Torben ; Harris, M. ; Slinger, C. ; Montes, B. F.
in: Atmospheric Measurement Techniques, vol: 6, pages: 1673-1683

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.5194/amt-6-1673-2013

2012
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Aeroacoustic noise sources and their characterization

Aagaard Madsen , Helge ; Fischer, Andreas ; Bertagnolio, Franck ; Bak, Christian
Presented at:
EWEA’s third technology workshop on Wind Turbine Noise: From Source to Receiver

Type: Sound/Visual production (digital)

Status: Published     |    Year: 2012

 

Investigation of the maximum load alleviation potential using trailing edge flaps controlled by inflow data

Fischer, Andreas ; Aagaard Madsen , Helge
part of: Proceedings of Torque 2012, the science of making torque from wind, 2012
Presented at:
The science of Making Torque from Wind 2012

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2012

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Measurement of high frequency surface pressure fluctuations for blade noise characterization

Aagaard Madsen , Helge ; Bertagnolio, Franck ; Fischer, Andreas
Presented at:
IQPC Conference on Wind Turbine Noise and Vibration Control

Type: Sound/Visual production (digital)

Status: Published     |    Year: 2012

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Noise Evaluation Technique Based on Surface Pressure

Fischer, Andreas
Publisher: Wind Energy Department, Technical University of Denmark, Report name: Noise Evaluation Technique Based on Surface Pressure, Number: DTU-Wind-Energy-E-0004(EN), DTU-Wind-Energy-Report-E-0004, (ISBN: 978-87-92896-03-2), pages: 36-40

Type: Report chapter

Status: Published     |    Year: 2012

 

Nye vingeprofiler kan mindske støj fra vindmøller

Fischer, Andreas ; Aagaard Madsen , Helge
in: Ingeniøren, issue: 24. februar

Type: Comment/debate

Status: Published     |    Year: 2012

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On the potential load reduction on wind turbines by flap control using measurements of local inflow to the blades

Aagaard Madsen , Helge ; Fischer, Andreas ; Larsen, Torben J. ; Bak, Christian
Presented at:
23rd International Congress of Theoretical and Applied Mechanics

Type: Sound/Visual production (digital)

Status: Published     |    Year: 2012

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Wind Tunnel Measurements at Virginia Tech

Fischer, Andreas ; Bertagnolio, Franck
Publisher: Wind Energy Department, Technical University of Denmark, Report name: Wind Tunnel Measurements at Virginia Tech, Number: DTU-Wind-Energy-E-0004(EN), DTU-Wind-Energy-Report-E-0004, (ISBN: 978-87-92896-03-2), pages: 46-56

Type: Report chapter

Status: Published     |    Year: 2012

2011
2010
 

Surface Pressure Measurements on a NACA0015 airfoil compared to Computations with the TNO Trailing Edge Noise Model

Fischer, Andreas ; Bertagnolio, Franck ; Bak, Christian ; Aagaard Madsen, Helge
part of: Torque 2010, pages: 81-92, 2010, European Wind Energy Association (EWEA)
Presented at:
Torque 2010

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2010

2009
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Pitot tube designed for high frequency inflow measurements on MW wind turbine blades

Fischer, Andreas ; Aagaard Madsen, Helge ; Bak, Christian ; Bertagnolio, Franck
part of: EWEC 2009 Proceedings online, 2009, EWEC
Presented at:
2009 European Wind Energy Conference and Exhibition

Type: Article in proceedings

Status: Published     |    Year: 2009

 

Wind shear and turbulence characteristics from inflow measurements on the rotating blade of a wind turbine rotor

Aagaard Madsen, Helge ; Fischer, Andreas
part of: EWEC 2009 Scientific proceedings, pages: 53-58, 2009, EWEC
Presented at:
2009 European Wind Energy Conference and Exhibition

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2009