Publications

ROTOR BLADE & AERODYNAMICS

2017

Simulation and optimization of an airfoil with leading edge slat.
Schramm, M.
(Conference Presentation)

Wind Energy Science Conference (WESC)
June 2017, Lyngby, Danmark
Full text: urn:nbn:de:0011-n-4587505
Fraunhofer Publica

 

On the role of gaps in measurement data and filling strategies with respect to AEP calculations for offshore wind farms.
Martens, Christine; Engelbrecht, Bilke; Dörenkämper, Martin; Stoevesandt, Bernhard; Gottschall, Julia
(Poster)

Offshore Wind Energy 2017
6-8 June, London, Great Britain
zu Fraunhofer Publica
 

Atmospheric impacts on the power conversion process in offshore wind farms.
Dörenkämper, M.
(Confrence Presentation)

Energy Meteorology Symposium, Mai 2017, Wageningen
Full text: urn:nbn:de:0011-n-4534630
zu Fraunhofer Publica


On the impact of realistic offshore wind energy exploration scenarios on the wind resources within the German Bight
Dörenkämper, M.
(Conference Presentation)

ForWind-Symposium zur Windphysik, Juni 2017, Oldenburg
Full text:   urn:nbn:de:0011-n-4534391
zu Fraunhofer Publica



Reducing noise generated from a wind turbine blade by pitch angle control using CFD and acoustic analogy
M. Maizi, R. Dizene, M. C. Mihoubi
(Magazine Article)

Journal of Applied Fluid Mechanics, Vol. 10, No. 4, S.1201-1209
Volltext: 10.18869/acadpub.jafm.73.241.27426

zu Fraunhofer Publica

 

2016

Development and application of a grid generation tool for aerodynamic simulations of wind turbines
Rahimi, H.; Daniele, E.; Stoevesandt, B.; Peinke, J.
(Magazine Article)

Wind engineering 40 (2016), No. 2, p.148-172
zu Fraunhofer Publica


Non-linear ultimate strength and stability limit state analysis of a wind turbine blade
Rosemeier, M.; Berring, P.; Branner, K.
(Conference Presentation)

Wind energy 19 (2016), No. 5, p.825-846
zu Fraunhofer Publica


Optimization of Aerodynamic Shapes
Matthias Schramm, Lena Vorspel, Bernhard Stoevesandt, Joachim Peinke
(Conference Presentation)

SmartBlades Conference
Feb. 3-4, 2016; Stade, Germany
Full version: urn:nbn:de:0011-n-4173912
zu Fraunhofer Publica


Detailed analysis of the blade roor flow of a horizontal axis wind turbine
Herraez, I.; Akay, B. van Bussels, G.; Peinke, J.; Stoevesandt, B.
(Magazine Article)


Wind Energy Science (2016), S.. 89-100
zu Fraunhofer Publica

 

DDES and URANS comparison of the NREL phase-VI wind turbine at deep stall
Rahimi, H.; Dose,B.; Herraez,I.; Stoevesandt. B
(Conference Presentation)

 

The consideration of atmospheric stability within wind farm AEP calculations
Schmidt J.; Chang, C-Y.; Dörenkämper,M.;  Salimi, M.; Teichmann, T.; Stoevesandt, B.
(Conference Presentation)

 

Investigation of the validity of BEM for simulation of wind turbines in complex load cases and comparison with experiment and CFD
Stoevesandt, B.; Rahimi, H.; Dose, B.; Peinke, J.
(Conference Presentation)EAWE WindEurope Summit 2016
27-29 Sept. 2016, Hamburg
zu Fraunhofer Publica

 

Numerical investigation of different tower concepts for NREL 5 MW wind turbine in downwind configuration
Dose, B.; Rahimi, H.; Peinke, J.; Stoevesandt, B.
(Conference Presentation)

 

TURBINE AND SYSTEM TECHNOLOGY

Utilisation of wind turbine field data for failure root-cause analysis
Fischer, K.
(Conference Presentation)

Wind Farm Data Management and Analysis Forum
Oct. 12-13, 2016, Hamburg, Germany
urn:nbn:de:0011-n-4176611 (full version)
http://publica.fraunhofer.de/documents/N-417661.html


Reliability of power converters in wind turbines: Results of a comprehensive field study
Fischer, K., Bartschat, A.; Tegtmeier, B.; Coronado, D.; Broer, C.; Wenske, J.
(Poster)

Wind Europe Summit 2016
Sept. 27-29, 2016, Hamburg, Germany
urn:nbn:de:0011-n-4176888
(full version)
http://publica.fraunhofer.de/documents/N-417688.html


Utilizing wind-turbine failure and operating data for root-cause analysis
Fischer, K.
(Presentation)

WindEurope Technology Workshop "Analysis of Operating Wind Farms"
April 14-15, 2016, Bilbao, Spain
zu Fraunhofer Publica

Converter lifetime assessment for doubly-fed induction generators considering derating control strategies at low rotor frequencies
Morisse, M.; Bartschat, A.; Wenske, J.; Mertens, A.
(Conference Presentation)

6th International Conference "The Science of Making Torque from Wind", TORQUE 2016 - TU München & European Academy of Wind Energy EAWE
Oct. 5-7, 2016, München, Germany
DOI: 10.1088/1742-6596/753/11/112003 (full version)
http://publica.fraunhofer.de/dokumente/N-417662.html


Analysis of dynamic interactions between different drivetrain components with a detailed wind turbine model
Morisse, M.; Bartschat, A.; Mertens, A.; Wenske, J.
(Conference Presentation)

6th International Conference "The Science of Making Torque from Wind", TORQUE 2016 - TU München & European Academy of Wind Energy EAWE
Oct. 5-7, 2016, München, Germany
Bristol: IOP Publishing, 2016 (Journal of physics. Conference series 753)
Art. 082022, 12 S.
DOI: 10.1088/1742-6596/753/8/082022 (full version)
http://publica.fraunhofer.de/dokumente/N-417668.html


Extending the scope of gearbox oil condition monitoring for wind turbines: Identified challenges and recommendations
Coronado, D., Wenske, J.
(Poster)

Wind Europe Summit 2016
Sept. 27-29, 2016, Hamburg, Germany
urn:nbn:de:0011-n-4176892 (full version)
http://publica.fraunhofer.de/documents/N-417689.html

 

Advanced grid simulator topology for testing of renewable energy supply units especially wind energy converters (WECs) under laboratory conditions
Mehler, Christian; Jersch, Torben; Koralewicz, Przemyslaw; Tegtmeier, Bernd
(Conference Presentation)

18th European Conference on Power Electronics and Applications
Sept. 5-9, 2016, Karlsruhe
DOI: 10.1109/EPE.2016.7695474 (full version)
http://publica.fraunhofer.de/dokumente/N-423847.html

 

First results of a testing campaign to validate oil sensors for wind turbine gearboxes
Coronado, Diego
(Presentation)

VGB Conference - Maintenance of Wind Power Plants
March 2-3 2016, Hamburg, Germany
zu Fraunhofer Publica

 

Wind turbine loads reduction using feedforward feedback collective pitch control based on the estimated effective wind speed
Meng, Fanzhong; Wenske, Jan; Gambier, Adrian
(Conference Presentation)

American Control Conference (ACC)
July 6-8, 2016, Boston, USA
DOI: 10.1109/ACC.2016.7525259 (full version)
http://publica.fraunhofer.de/dokumente/N-406636.html


Sensorless control for active damping of torsional vibrations in wind turbine drivetrains with doubly-fed induction generator
Wenske, J., Beckert, U.
(Presentation)

International Conference on Renewable Energy and Power Quality (ICREPQ)
May 4-6, 2016, Madrid, Spain
urn:nbn:de:0011-n-4066376 (full version)
http://publica.fraunhofer.de/documents/N-406637.html


Control design for mechanical hardware-in-the-loop operation of dynamometers for testing full-scale drive trains
Fischer, Boris; Mehler, Christian; Zuga, Adam; Shan, Martin
(magazine article)

Wind energy (2016), Online First, S.13
zu Fraunhofer Publica


Kraftübertragungselement für einen Prüfstand zum Testen eines Lagers sowie Prüfstand
Bartschat, Arne
(Patent)
zu Fraunhofer Publica


 

SUPPORT STRUCTURES

2017

Design of large-scale tests investigating the lateral load-bearing behavior of monopiles.
S. Spill, M. Kohlmeier, M. Wefer, S. Maretzki, J. Dührkop
(Conference Presentation)

27th International Ocean and Polar Engineering Conference
June 25-30, 2017, San Francisco, California
zu Fraunhofer Publica

 

Aging and fatigue - combined testing of welded joints under offshore conditions
Mareike Collmann, Maik Wefer
(Conference Presentation)

27th International Ocean and Polar Engineering Conference
June 25-30, 2017, San Francisco, California
zu Fraunhofer Publica


Auslegung und Umsetzung großmaßstäblicher Versuche zum Tragverhalten von Monopiles
Spill, Severin; Kohlmeier, Martin; Maretzki, Stefan; Dührkop, Jan; Wefer, Maik
(Conference Presentation)

Pfahl-Symposium 2017, TU Braunschweig. Mitteilung des Instituts für Grundbau und Bodenmechanik, Technische Universität Braunschweig p. .309-325
Feb. 23-24, 2017, Braunschweig, Germany
Fraunhofer Publica

 

DegradO - Degradation von Offshore-Windenergieanlagen. Technischer Anhang
D. Coronado, M. Collmann, D. Hoffmann, O. Kranz
Abschlussbericht BMWi

Full text: urn:nbn:de:0011-n-4618195
Fraunhofer Publica


Evaluation of the remaining life time considering operation loads and the state of corrosion protection
Collmann, Mareike; Plagemann, Peter (Poster)

7. GIGAWIND Symposium
March 2nd, 2017, Hanover, Germany
zu Fraunhofer Publica


Predictive capabilities of nonlinear load-transfer curves for axially loaded piles
Foglia, Aligi; Kohlmeier, Martin (Poster)

7. GIGAWIND Symposium
March 2nd, 2017, Hanover, Germany
zu Fraunhofer Publica


2016

Physical modeling and numerical analyses of vibro-driven piles with evaluation of their applicability for offshore wind turbine support structures
Foglia, Aligi; Kohlmeier, Martin; Wefer, Maik
(Conference Presentation)

17th Nordic Geotechnical Meeting, NGM 2016. Proceedings: Challenges in Nordic Geotechnic, S.557-566
May 25-28, 2016, Reykjavik, Iceland
(full version)
zu Fraunhofer Publica
 

 

Large-scale testing of foundations for offshore wind turbines
Foglia, Aligi
(Conference Presentation)

Offshore Foundations and Support Structures
Nov. 7-9, 2016, Kopenhagen, Denmark
urn:nbn:de:0011-n-4260895 (full version)
zu Fraunhofer Publica


Planung und Aufbau eines Teststands für kleinmaßstäbliche Modellversuche an Saugrohrgründungen für Offshore-Windenergieanlagen
Quiroz, Tulio
(Conference Presentation)

34. Baugrundtagung, Forum für junge Geotechnik-Ingenieure
Sept. 14-17, 2016, Bielefeld, Germany
zu Fraunhofer Publica

Accelerating time to market by realistic testing. An overview of the German test infrastructure for offshore wind
Quiroz, Tulio
(Presentation)

Wind Energy Research Workshop 2016, Lowell, USA
March 15-16, 2016
zu Fraunhofer Publica


Improving the installation of foundations for offshore wind turbines by realistic testing
Quiroz, Tulio
(Presentation)

Wind Energy Research Workshop 2016, Lowell, USA
March 15-16, 2016
zu Fraunhofer Publica


Messtechnische und numerische Untersuchungen an einvibrierten, lateral beanspruchten Stahlrohrpfählen
Spill, Severin; Kohlmeier, Martin; Kraemer, Peter; Friedmann, Herbert (Conference Presentation)

Messen in der Geotechnik 2016: Seminat anlässlich des 60. Geburtstages von Prof. Joachim Stahlmann an der Technischen Universität Braunschweig
March 17-18, 2016, Braunschweig
zu Fraunhofer Publica


Entwicklung eines Structural Health Monitoring Systems für Gründungsstrukturen von Offshore Windenergieanlagen - Großversuch zur Ermittlung messtechnischer Grundlagen
Friedmann, Herbert; Kraemer, Peter; Ebert, Carsten; Kohlmeier, Martin (Conference Presentation)

Messen in der Geotechnik 2016: Seminat anlässlich des 60. Geburtstages von Prof. Joachim Stahlmann an der Technischen Universität Braunschweig
March 17-18, 2016, Braunschweig
zu Fraunhofer Publica


WIND FARM PLANNING AND OPERATION

Towards recommended practices for floating lidar systems.
Bischoff, O.; Würth, I.; Gottschall, J.; Gribben, B.; Stein, D.; Hughes, J.; Verhoef, H.
(Presentation)

EERA DeepWind 2017, 14th Deep Sea Offshore Wind R&D Conference
18-20 Jan. 2017, Trondheim, Norway
 

Measurement results from FLS during the OBLEX-F1 campaign.
Gottschall, J.; Rudolph, C.; Wolken-Möhlmann, G.; Viergutz, T.; Lange, B.
(Presentation)

OBLEX-F1 Workshop
March 2017, Bergen, Norway

 

Relative density prediction based on in-situ and laboratory measurements of shear wave velocity
Biryaltseva, T.
(Conference Paper)

5th International Conference on Geotechnical and Geophysical Site Characterisation, ISC 2016.
Sept. 5-9, 2016, Gold Coast, Queensland,
Full text: urn:nbn:de:0011-n-4259845
http://publica.fraunhofer.de/documents/N-425984.html


Relative densities and void ratios derived from CPT data using in situ field calibration
Biryaltseva, T.
(Conference Paper)

5th International Conference on Geotechnical and Geophysical Site Characterisation, ISC 2016.
Sept. 5-9, 2016, Gold Coast, Queensland
Volltext frei ab: urn:nbn:de:0011-n-4259748  http://publica.fraunhofer.de/documents/N-425974.html


Entwicklung neuer Prüfmethoden zur Abbildung der Degradationsprozesse von Offshore-Windenergieanlagen und Aufbau einer entsprechenden Test- und Analyse-Infrastruktur für WEA-Komponenten
Kupferschmidt, C.; Collmann, M.; Kranz, O.
(Conference Presentation and book chapter)

45. Jahrestagung der Gesellschaft für Umweltsimulation (GUS)
March 16-18, 2016, Karlsruhe, Germany
zu Fraunhofer Publica



Project schedule assessment with a focus on different input weather data sources
Wolken-Möhlmann, Bendlin, Buschmann, Wiggert
(Poster)

Deep Sea Offshore Wind R&D Conference
Energy Procedia, Volume 94, September 2016, Pages 517-522
Jan. 20-22,Trondheim, Norway
urn:nbn:de:0011-n-4174014
http://publica.fraunhofer.de/dokumente/N-417401.html


WindScanner Measurements in Complex Terain
Lukas Pauscher, Nikola Vasiljevic, Doron Callies, Guillaume Lea, Jakob Mann, Fernando Borbón, Tobias Klaas, Julia Gottschall, Julian Hieronimus, Martin Kühn, Michael Courtney
(Conference Presentation)

18. Internat. Symposium for the Advancement of Boundary-Layer Remote Sensing
June 6-9, 2016, Varna, Bulgaria
noch nicht online


An Inter-Comparison Study of Multi- and DBS Lidar Measurements in Complex Terrain
Lukas Pauscher, Nikola Vasiljevic, Doron Callies, Guillaume Lea, Jakob Mann, Tobias Klaas, Julian Hieronimus, Julia Gottschall, Annedore Schwesig, Martin Kühn, and Michael Courtney
(magazine article)

Remote Sens. 2016, 8 (9)
DOI: 10.3390/rs8090782 (full version)
zu Fraunhofer Publica


Das ERA-NET+ Projekt NEWA - The New European Wind Atlas
Gottschall, J.; Lange, B.; Kühn, P.; Callies, D.; Heinemann, D.; Witha, B.; Steinfeld, G.
(Presentation)

Fachtagung Energiemeteorologie
April 20-24, 2016, Bremerhaven
zu Fraunhofer Publica


Floating Lidar Systems: Current Technology Status and Requirements for Improved Maturity
Gottschall, Gribben, Hughes, Stein, Würth, Bischoff, Schlipf, Verhoef, Clifton
(Conference Presentation)

Wind Europe Summit
Sept. 25-28, 2016, Hamburg, Germany
urn:nbn:de:0011-n-4173977 (full version)
zu Fraunhofer Publica

 

Innovative measurement technologies for offshore wind site characterization
Lange, Gottschall, Rudolph, Wolken-Möhlmann, Viergutz, Meier, Spieß
(Presentation)

MRP Offshore Wind Site Characterization Workshop
Woods Hole, USA
Oct. 6, 2016
urn:nbn:de:0011-n-4173956
(full version)
zu Fraunhofer Publica


Fraunhofer IWES Wind-LiDAR-Buoy
Lange, Bernhard
(Presentation)

IEA Wind Task 32 Workshop on Floating Lidar Systems: Current Technology Status and Requirements for Improved Maturity
Feb. 23-24, 2016, Blyth, UK
zu Fraunhofer Publica


IEA Wind Annex 32 Work Package 1.5 State-of-the-Art Report: Recommended Practices for Floating Lidar Systems
Bischoff, O.; Gottschall, J.; Gribben, B.; Hughes, J.; Stein, D.; Verhoef, H.; Würth, I.
(Report)
zu Fraunhofer Publica


Meer - Wind - Strom. Forschung am ersten deutschen Offshore-Windpark alpha ventus
Beteiligt: Durstewitz, Michael (Hrsg.); Lange, Bernhard (Hrsg.)
(Book)

Wiesbaden: Springer Fachmedien, 2016
zu Fraunhofer Publica


Neue Erkenntnisse zur Meteorologie aus FINO-Wind
Bastigkeit, I.; Leiding, T.
(Presentation)

FINO-Wind Abschlussworkshop
April 15, 2016, Hamburg, Germany
zu Fraunhofer Publica


Standardized assessment of meteorological data from FINO platforms
Bastigkeit, I.; Bégué, F.; Frühmann, R.; Gates, L.; Herklotz, K.; Leiding, T.; Müller, S.; Neumann, T.; Schwenk, P.; Sedlatschek, R.; Senet, C.; Tinz, B.; Wilts,F.
(Poster)

4. Fachtagung Energiemeteorologie 2016
April 20-22 2016, Bremerhaven, Germany
zu Fraunhofer Public

 

Relative density prediction based on in-situ and laboratory measurements of shear wave velocity Biryaltseva, T.; Lunne, T.; Kreiter, S.; Mörz, T.
(Konferenzbeitrag)

5th International Conference on Geotechnical and Geophysical Site Characterisation
Sept. 5-9th Queensland, Australia
zu Fraunhofer Publica