Publications scientifiques
En plus des articles publiés dans le magazine de DEWI, le personnel de DEWI présente régulièrement ses travaux de R&D et autres études dans différentes conférences nationales ou internationales et/ou magazines. La liste ci-dessous est un extrait de la liste complète des publications de DEWI. Nos autres publications sont disponibles sur simple demande.
2012
Calculation of Wind Farm Production Losses via MERRA Data in Consequence of Bat-Based, Temporary Wind Turbine Shutdowns
DEWEK 2012: 11. Deutsche Windenergie-Konferenz, Bremen, 7. - 8. November 2012
Detailed Analysis of Offshore Wakes Based on Two Years Data of alpha ventus and Comparison with CFD Simulations
DEWEK 2012: 11. Deutsche Windenergie-Konferenz, Bremen, 7. - 8. November 2012
Development of Power Curve Measurement Standards
DEWEK 2012: 11. Deutsche Windenergie-Konferenz, Bremen, 7. - 8. November 2012
Harmonic Current Emission of Wind Farms
DEWEK 2012: 11. Deutsche Windenergie-Konferenz, Bremen, 7. - 8. November 2012
Humidity Flux Influence on Atmospheric Stability. First Results from Eddy Covariance Measurements at FINO1
DEWEK 2012: 11. Deutsche Windenergie-Konferenz, Bremen, 7. - 8. November 2012
HyproWind: Realistic Underwater Sound Scenarios During Wind Farm Construction in the German North Sea
DEWEK 2012: 11. Deutsche Windenergie-Konferenz, Bremen, 7. - 8. November 2012
Improving Long-Term Correction for Energy Assessments using MERRA & ERA-Interim Data
DEWEK 2012: 11. Deutsche Windenergie-Konferenz, Bremen, 7. - 8. November 2012
Online Load Monitoring on AREVA M5000 Wind Turbine at alpha ventus
DEWEK 2012: 11. Deutsche Windenergie-Konferenz, Bremen, 7. - 8. November 2012
Park Correction for FINO1 - Wind Speed Measurements at alpha ventus
DEWEK 2012: 11. Deutsche Windenergie-Konferenz, Bremen, 7. - 8. November 2012
Power Installation of Wind Turbines
DEWEK 2012: 11. Deutsche Windenergie-Konferenz, Bremen, 7. - 8. November 2012
Review of the Real Energy Production Data of Operating Wind Farms in Comparison to Former Predicted Energy Yields
DEWEK 2012: 11. Deutsche Windenergie-Konferenz, Bremen, 7. - 8. November 2012
Sensing the Offshore Wind in the Vicinity of alpha ventus Wind Farm: A Wind LiDAR Study
DEWEK 2012: 11. Deutsche Windenergie-Konferenz, Bremen, 7. - 8. November 2012
Summary of Wind Potential Analysis and Energy Yield Assessments at the SEEWIND Sites in Herzegovina, Croatia and Serbia
DEWEK 2012: 11. Deutsche Windenergie-Konferenz, Bremen, 7. - 8. November 2012
Temporal & Energetic Downtime Losses and its Influence on Wind Farm Economics
DEWEK 2012: 11. Deutsche Windenergie-Konferenz, Bremen, 7. - 8. November 2012
The German Bight Underwater Soundscape - A Focus on Wind Farm Construction Noise
DEWEK 2012: 11. Deutsche Windenergie-Konferenz, Bremen, 7. - 8. November 2012
Allgemeine Hinweise zur Windenergienutzung und zum Repowering
Fachtagung der Repowering-InfoBörse in Kooperation mit Deutscher Städte- und Gemeindebund und Bundesumweltministerium, Berlin, 6./7. November 2012
Wake Measurements at alpha ventus – Dependency on Stability and Turbulence Intensity
The Science of Making Torque from Wind, Oldenburg, 9. - 11. October 2012
Farm efficiency and power matrices based on CFD simulations and comparison with measurements
RAVE Conference, 8./9. May 2012, Bremerhaven
Meteorological conditions at FINO1 in the vicinity of alpha ventus
RAVE Conference, 8./9. May 2012, Bremerhaven
Ready for data ? The challenge of measurement installation and operation at alpha ventus
RAVE Conference, 8./9. May 2012, Bremerhaven
Long term underwater acoustic monitoring at FINO platforms
RAVE Conference, 8./9. May 2012, Bremerhaven
Comparison between NCEP/NCAR and merra reanalysis data for long-term correction in wind energy assessment ( Poster)
EWEA 2012, 16-19 April 2012, Copenhagen
Farm efficiency and power matrix based on rans (CFD) simulations for the offshore wind farm
alpha ventus and and comparison with measurements ( Poster)
EWEA 2012, 16-19 April 2012, Copenhagen
Investigation of wind flow disturbances by offshore wind turbines based on LiDAR measurements
EWEA 2012, 16-19 April 2012, Copenhagen
Park correction for wind speed measurements at alpha ventus ( Poster)
EWEA 2012, 16-19 April 2012, Copenhagen
Proposal for a general method to derive mast corrections in wind speed measurements based on
intrinsic geometry parameters ( Poster)
EWEA 2012, 16-19 April 2012, Copenhagen
Der Einfluss der Offshore Windenergie auf die Unterwasserschallsituation in der Nordsee
DAGA 2012, 19.-22. März 2012 in Darmstadt
2011
Influence of atmospheric stability on wind turbines power performance at Alpha Ventus offshore wind park ( Poster)
EWEA OFFSHORE 2011; 29 November – 1 December 2011; Amsterdam, The Netherlands
Fluxes estimation and the derivation of the atmospheric stability at the offshore mast FINO1 ( Poster)
EWEA OFFSHORE 2011; 29 November – 1 December 2011; Amsterdam, The Netherlands
First insight in offshore wind profiles up to 250 m under free and wind turbine wake flows ( Poster)
EWEA OFFSHORE 2011; 29 November – 1 December 2011; Amsterdam, The Netherlands
Meteorological measurements at FINO1 during the existence of the wind farm alpha ventus ( Poster)
EWEA OFFSHORE 2011; 29 November – 1 December 2011; Amsterdam, The Netherlands
Over One Year German Offshore Wind Park alpha ventus – RAVE Instrumentation and Sensor Data Processing of AV07 ( Poster)
EWEA OFFSHORE 2011; 29 November – 1 December 2011; Amsterdam, The Netherlands
Underwater acoustic monitoring in the German offshore wind farm area ( Poster)
EWEA OFFSHORE 2011; 29 November – 1 December 2011; Amsterdam, The Netherlands
WRF mesoscale modelling and LiDAR measurements of tall wind profiles at FINO1
EWEA OFFSHORE 2011; 29 November – 1 December 2011; Amsterdam, The Netherlands
CFD simulations and measurements of wake effects at the Alpha Ventus offshore wind farm ( Poster)
EWEA OFFSHORE 2011; 29 November – 1 December 2011; Amsterdam, The Netherlands
SUB-SEA NOISE MONITORING IN THE GERMAN NORTH SEA
Ambient noise in north-European seas: Monitoring, impact and management; 03 - 05 October 2011; National Oceanography Centre, Southampton
Impact of turbulence modeling on the performance of WRF model for offshore short-term wind energy applications
13th International Conference on Wind Engineering, 10-15 July 2011, Amsterdam, the Netherlands
Long term hydro sound measurements at the Alpha Ventus offshore wind farm focussing on pile driving noise
Wind Turbine Noise 2011, 4th International Conference, Rome, 11. - 14. April 2011
Validation of Taylor's Hypothesis under offshore conditions. An experimental study using a nacelle-based ‘two-beam' Lidar
Oral presentation at the European Geosciences Union General Assembly 2011 (EGU2011). Vienna (Austria) 03-08 April 2011
First Test of a Nacelle-mounted two-beams Lidar System under offshore Conditions ( DEWI Magazin article in No 39)
EWEA 2011, 14-17 March 2011, Brussels
CFD simulations of wake effects at the Alpha Ventus offshore wind farm
EWEA 2011, 14-17 March 2011, Brussels
Comparison of Lidar- and UAM-based offshore mast effect corrections
EWEA 2011, 14-17 March 2011, Brussels
2010
Comparison of on-/offshore LIDAR Measurements with Respect to the Energy Production and Turbulence Parameters
Proceedings of ISARS 2010, 28.-30. June, Paris.
Getting a better understanding of the offshore marine boundary layer: Comparison between Large Eddy Simulation and offshore measurement data with focus on wind energy application.
2° award. Oral presentation with poster contribution. The Fifth International Symposium on Computational Wind Engineering (CWE2010) Chapel Hill, North Carolina, USA May 23-27, 2010
Comparison of Turbulence Spectra Derived from Lidar and Sonic Measurements at the Offshore Platform FINO1
DEWEK 2010: 10. Deutsche Windenergie-Konferenz, Bremen, 17. - 18. November 2010
Direction Dependency of Offshore Turbulence Intensity in the German Bight
DEWEK 2010: 10. Deutsche Windenergie-Konferenz, Bremen, 17. - 18. November 2010
Direction Sensitivity of Anemometers
DEWEK 2010: 10. Deutsche Windenergie-Konferenz, Bremen, 17. - 18. November 2010
Ear Training on Wind Turbine Noise
DEWEK 2010: 10. Deutsche Windenergie-Konferenz, Bremen, 17. - 18. November 2010
Estimation of Zero Plane Displacement Heights in The Vicinity of a Forest
DEWEK 2010: 10. Deutsche Windenergie-Konferenz, Bremen, 17. - 18. November 2010
Harmonic Current Emission of Wind Farms Exceeding the Limiting Values
DEWEK 2010: 10. Deutsche Windenergie-Konferenz, Bremen, 17. - 18. November 2010
Horizontal Correlation of the Wind Flow Within the Region of an Offshore Wind Farm – PDF Studies Based on LES Data
DEWEK 2010: 10. Deutsche Windenergie-Konferenz, Bremen, 17. - 18. November 2010
Kinetic Energy Flux Measured by LIDAR and its Impact on Wind Turbines Power Performance. Onshore and Offshore Comparison
DEWEK 2010: 10. Deutsche Windenergie-Konferenz, Bremen, 17. - 18. November 2010
MM5-Wasp Coupling for EYA in Complex Topographical and Meteorological Conditions: The Case of Lake Turkana (Kenya) 300 MW Wind Farm
DEWEK 2010: 10. Deutsche Windenergie-Konferenz, Bremen, 17. - 18. November 2010
New Tasks for FINO1 – The Research Platform after Installation of the First German Offshore Wind Farm “Alpha-Ventus” and the Start of the RAVE Research Programm
DEWEK 2010: 10. Deutsche Windenergie-Konferenz, Bremen, 17. - 18. November 2010
One Year of Lidar Measurements at FINO1-Platform: Comparison and Verification to Met-Mast Data and a View to the Vertical Wind Profile above the Mast
DEWEK 2010: 10. Deutsche Windenergie-Konferenz, Bremen, 17. - 18. November 2010
PROTEST – Procedures for Testing and Measuring Wind Energy Systems, Drive Train Case Study II
DEWEK 2010: 10. Deutsche Windenergie-Konferenz, Bremen, 17. - 18. November 2010
Research at the First German Offshore Wind Park Alpha Ventus – RAVE Instrumentation and Sensor Data Processing of AV07
DEWEK 2010: 10. Deutsche Windenergie-Konferenz, Bremen, 17. - 18. November 2010
Results of Underwater Sound Research Projects Focussed on Construction Noise Caused by Offshore Wind Farms
DEWEK 2010: 10. Deutsche Windenergie-Konferenz, Bremen, 17. - 18. November 2010
Seasonal Correction of Short-term SODAR and LIDAR Measurements for Use in Energy Yield Assessments of Wind Farms
DEWEK 2010: 10. Deutsche Windenergie-Konferenz, Bremen, 17. - 18. November 2010
The Modern Portfolio Theory applied to Wind Farms Financing
DEWEK 2010: 10. Deutsche Windenergie-Konferenz, Bremen, 17. - 18. November 2010
Uncertainties in Wind Power Measurements Under Offshore Conditions. A Large Eddy Simulation Study
DEWEK 2010: 10. Deutsche Windenergie-Konferenz, Bremen, 17. - 18. November 2010
Prediction of Power Production Losses due to Icing based on Icing Signs in Wind Measurements
EWEC 2010, 20-23 April 2010, Warsaw
2009
ModObs: Atmospheric modelling for wind energy, climate and environment applications: exploring added value from new observation technique (co-author).
Work in progress within a FP6 Marie Curie Research Training Network EMS Annual Meeting - 9, 2009, Toulouse (FR), 28 Sep - 2 Oct
2008
Assessment of the Acoustic Noise Issues of Wind Farm Projects in the Light of the Experience Gained in Germany
DEWEK 2008: 9. Deutsche Windenergie-Konferenz, Bremen, 27. - 28. November 2008
Evaluation of Current Offshore Wind Design Parameters from FINO1-Data (Final Report on the OWID-Research Project)
DEWEK 2008: 9. Deutsche Windenergie-Konferenz, Bremen, 27. - 28. November 2008
Evaluation of Operational Data in Respect to Production Losses due to Icing
DEWEK 2008: 9. Deutsche Windenergie-Konferenz, Bremen, 27. - 28. November 2008
Five Years Operation of the First Offshore Wind Research Platform in the German Bight – Fino 1
DEWEK 2008: 9. Deutsche Windenergie-Konferenz, Bremen, 27. - 28. November 2008
Influences of Vertical Wind Profiles on Power Performance Measurements
DEWEK 2008: 9. Deutsche Windenergie-Konferenz, Bremen, 27. - 28. November 2008
Investigations on Cross Talk Analysis for Rotor Blade Bending Measurements
DEWEK 2008: 9. Deutsche Windenergie-Konferenz, Bremen, 27. - 28. November 2008
Operational Follow-up of Wind Turbines through the Analysis of 10-Minutes Production Data
DEWEK 2008: 9. Deutsche Windenergie-Konferenz, Bremen, 27. - 28. November 2008
Power Quality and Electrical Characteristics of Renewable Energy Systems; Can we Use the Experience of the Wind Energy?
DEWEK 2008: 9. Deutsche Windenergie-Konferenz, Bremen, 27. - 28. November 2008
PROTEST – Procedures for Testing and Measuring Wind Energy Systems, Drive Train Case Study
DEWEK 2008: 9. Deutsche Windenergie-Konferenz, Bremen, 27. - 28. November 2008
Quality Assurance in Measurements in Wind Energy Applications
DEWEK 2008: 9. Deutsche Windenergie-Konferenz, Bremen, 27. - 28. November 2008
Review and Analysis of Wind Farm Operational Data. Validation of the Predicted Energy Yield of Wind Farms Based on Real Energy Production Data.
DEWEK 2008: 9. Deutsche Windenergie-Konferenz, Bremen, 27. - 28. November 2008
Simulation of Neutrally Stratified Offshore Boundary Layer by Large Eddy Simulations
DEWEK 2008: 9. Deutsche Windenergie-Konferenz, Bremen, 27. - 28. November 2008
The Modern Portfolio Theory Applied to Wind Farms Financing
DEWEK 2008: 9. Deutsche Windenergie-Konferenz, Bremen, 27. - 28. November 2008
Turbulence Classification of Load Data by the Frequency and Severity of Wind Gusts
DEWEK 2008: 9. Deutsche Windenergie-Konferenz, Bremen, 27. - 28. November 2008
2007
FINO1 and the mast shadow effect
52nd IEA Topical Expert meeting: Wind and Wave Measurements at Offshore Locations, Berlin, Germany, February 2007
RANS-Modelling of Wind Flow through Large Offshore Wind Farms
Proceedings of the European Wind Energy Conference 2007, Mailand
The planetary boundary layer over the north sea: measurements and mesoscale simulations (co-author)
Geophysical Research Abstracts, Vol 9, 09675, SRefID:1607-7962/gra/EGU2007-A-09675. Vienna (Austria).
2006
A Guide to Design Load Validation
DEWEK 2006: 8. Deutsche Windenergie-Konferenz, Bremen, 22. - 23. November 2006
Beyond the Ainslie Model: 3D Navier-Stokes Computation of Wind Flow through Large Offshore Wind Farms
DEWEK 2006: 8. Deutsche Windenergie-Konferenz, Bremen, 22. - 23. November 2006
De-Trending Turbulence Measurements – Identification of Trends and their Suppression
DEWEK 2006: 8. Deutsche Windenergie-Konferenz, Bremen, 22. - 23. November 2006
Exploiting Portfolio Effects in Diversified Project Bundles – A Quantitative Analysis of Potentials and Implications for Financial Engineering
DEWEK 2006: 8. Deutsche Windenergie-Konferenz, Bremen, 22. - 23. November 2006
Farm Efficiencies in Large Wind Farms
DEWEK 2006: 8. Deutsche Windenergie-Konferenz, Bremen, 22. - 23. November 2006
Influence of Transmission Lines on Grid Connection
DEWEK 2006: 8. Deutsche Windenergie-Konferenz, Bremen, 22. - 23. November 2006
Long-term Scaling of Site Measurements: Evaluation of Long-term Meteorological Data in France and Comparison of Correlation Methods
DEWEK 2006: 8. Deutsche Windenergie-Konferenz, Bremen, 22. - 23. November 2006
Rotor Blade Monitoring – The Technical Essentials
DEWEK 2006: 8. Deutsche Windenergie-Konferenz, Bremen, 22. - 23. November 2006
Temperature Induced Drift in Mechanical Load Measurements on Wind Turbines
DEWEK 2006: 8. Deutsche Windenergie-Konferenz, Bremen, 22. - 23. November 2006
The Influence of Meteorological Parameters on the Operational Behavior of a Multimegawatt WEC
DEWEK 2006: 8. Deutsche Windenergie-Konferenz, Bremen, 22. - 23. November 2006
Three Years Operation of Far Offshore Measurements at FINO1
DEWEK 2006: 8. Deutsche Windenergie-Konferenz, Bremen, 22. - 23. November 2006
Uncertainty of Annual Energy Production for a Specific Turbine Model Based on a Set of IEC 61400-12 Measurements
DEWEK 2006: 8. Deutsche Windenergie-Konferenz, Bremen, 22. - 23. November 2006
Wind Farm Performance Verification
DEWEK 2006: 8. Deutsche Windenergie-Konferenz, Bremen, 22. - 23. November 2006
2005
2004
A comparison of MM5 wind simulations and meteo mast wind profiles at Cabauw, The Netherlands and Wilhelmshaven, Germany
European Wind Energy Conference, London, 2004
Case Study Load Monitoring on a Main Shaft
DEWEK 2004: 7. Deutsche Windenergie-Konferenz, Wilhelmshaven, 20. - 21. Oktober 2004
Damage Increase by Wind Farm Operation: Measurement Versus Model
DEWEK 2004: 7. Deutsche Windenergie-Konferenz, Wilhelmshaven, 20. - 21. Oktober 2004
Introducing Low Cycle Fatigue in IEC Standard Range Pair Spectra
DEWEK 2004: 7. Deutsche Windenergie-Konferenz, Wilhelmshaven, 20. - 21. Oktober 2004
NEW WISPER - Introducing a new Standard Sequence for Material Testing in Wind Energy Applications
DEWEK 2004: 7. Deutsche Windenergie-Konferenz, Wilhelmshaven, 20. - 21. Oktober 2004
P50 - P75 - P90 How to reduce the financial Risks of a Wind Farm Project
EWEC 2004
One Year Operation of the First Offshore Wind Research Platform in the German Bight - FINO1
DEWEK 2004: 7. Deutsche Windenergie-Konferenz, Wilhelmshaven, 20. - 21. Oktober 2004
Spatial Research of the Regionally Installed WTGs and Prediction of Suitable Wind Farm Sites in Germany - a GIS Based Analysis
DEWEK 2004: 7. Deutsche Windenergie-Konferenz, Wilhelmshaven, 20. - 21. Oktober 2004
State of the Art in Application of Flow Models for Micrositing
DEWEK 2004: 7. Deutsche Windenergie-Konferenz, Wilhelmshaven, 20. - 21. Oktober 2004
The new Philosophy for Grid Connection in Some of the European Countries and how to Verify the Behaviour of Wind Farms
DEWEK 2004: 7. Deutsche Windenergie-Konferenz, Wilhelmshaven, 20. - 21. Oktober 2004
The Wind Index Story, or: The Challenge to Assess 100%
DEWEK 2004: 7. Deutsche Windenergie-Konferenz, Wilhelmshaven, 20. - 21. Oktober 2004
Towards HIGH PENETRATION and FIRM POWER from WIND ENERGY (FIRMWIND)
DEWEK 2004: 7. Deutsche Windenergie-Konferenz, Wilhelmshaven, 20. - 21. Oktober 2004
Validation of Mesoscale Simulations for Offshore Sites
DEWEK 2004: 7. Deutsche Windenergie-Konferenz, Wilhelmshaven, 20. - 21. Oktober 2004
Validation of MM5 With Measured Profiles at Cabauw, The Netherlands and Wilhelmshaven, Germany
DEWEK 2004: 7. Deutsche Windenergie-Konferenz, Wilhelmshaven, 20. - 21. Oktober 2004
Standards for the Assessment of Acoustical Emissions by Offshore Wind Turbines
DEWEK 2004: 7. Deutsche Windenergie-Konferenz, Wilhelmshaven, 20. - 21. Oktober 2004
2003
Präventives Last-Monitoring und Condition Monitoring - damit die geplante Betriebsdauer ohne wirtschaftlichen Schaden erreicht wird; Preventive Load Monitoring and Condition Monitoring - How to Reach the Scheduled Service Life without Financial Damage
DEWI-Magazin (2003) 23, S. 66-71
Recommendations for Spacing in Wind Farms
EWEC 2003 Madrid, Spain, 17 June 2003
Scaling and Evaluation of Wind Data and Wind Farm Energy Yields
English Version from Article in DEWI Magazin No. 23
Technical Requirements for Rotor Blades Operating in Cold Climate
BOREAS VI, 9 to 11 April 2003, Pyhä, Finland
2002
Abstandsregelung in Windparks
DEWEK 2002: 6. Deutsche Windenergie-Konferenz, Wilhelmshaven, 23. - 24. Oktober 2002
Analyse der Unsicherheiten bei der Ertragsberechnung von Windparks
DEWEK 2002: 6. Deutsche Windenergie-Konferenz, Wilhelmshaven, 23. - 24. Oktober 2002
Betriebserfahrungen und Datenauswertung bei SODAR Messungen
DEWEK 2002: 6. Deutsche Windenergie-Konferenz, Wilhelmshaven, 23. - 24. Oktober 2002
Contractual Issues Dealing with Energy Production Warranties
Global 2002
Die Bedeutung von Leistungskurven im Rahmen von Projekprüfungen
DEWEK 2002: 6. Deutsche Windenergie-Konferenz, Wilhelmshaven, 23. - 24. Oktober 2002
Noise from Wind Turbines - Standards and Noise Reduction Procedures
Sevilla 2002
Technische Ausrüstung von Windenergieanlagen an extremen Standorten
6. Österreichisches Windenergie-Symposium, St. Pölten, 30. - 31 Oktober 2002, Österreich
Zuverlässige Methoden zur Normierung und Bewertung von Energieerträgen von Windparks
DEWEK 2002: 6. Deutsche Windenergie-Konferenz, Wilhelmshaven, 23. - 24. Oktober 2002
2001
Large Wind Turbines go into Cold Climate Regions
EWEC 2001
Open Field Cup Anemometry
EWEC 2001
Technical Risks related to Wind Farm Financing
AWEA 2001
2000
Geld in den Sand?
BWE 2000
On-Line Monitoring in der Praxis erprobt
DEWEK 2000: 5. Deutsche Windenergie-Konferenz, Wilhelmshaven, 07. - 08. Juni 2000
Outdoor Comparison of Cup Anemometers
DEWEK 2000: 5. Deutsche Windenergie-Konferenz, Wilhelmshaven, 07. - 08. Juni 2000
SODAR Measurement in Complex Terrain
DEWEK 2000: 5. Deutsche Windenergie-Konferenz, Wilhelmshaven, 07. - 08. Juni 2000
- 1999
A Recipe to Estimate Aerodynamics and Loads on Iced Rotor Blades
Boreas IV 98
Betrieb von Windenergieanlagen unter Vereisungsbedingungen
Auf Wind 99
Cup Anemometry in Wind Engineering, Struggle for Improvement
DEWI Magazin 18
Grid Connected Wind Energy Converters
EWEC 97
Harmonisation and Improvement of Rotor Blade Quality Control
T. Kramkowski (DEWI), D. Foussekis & T. Chaviaropoulos, G. Ronsten
Publishable Final Report, JOR3-CT95-0082, 1997
Power Performance Verification
EWEC 99
Reduzierung der Schallabstrahlung von Windenergieanlagen
DEWEK 1998
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