Aeroelastic Design

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  1. 2012
  2. Published

    A discrete force allocation algorithm for modelling wind turbines in computational fluid dynamics. / Réthoré, Pierre-Elouan; Sørensen, Niels N.

    In: Wind Energy, Vol. 15, No. 7, 2012, p. 915-926.

    Publication: Research - peer-review › Journal article – Annual report year: 2011

  3. Published

    Aerodynamic optimization of wind turbine rotors using a blade element momentum method with corrections for wake rotation and expansion. / Døssing, Mads; Aagaard Madsen, Helge; Bak, Christian.

    In: Wind Energy, Vol. 15, No. 4, 2012, p. 563-574.

    Publication: Research - peer-review › Journal article – Annual report year: 2011

  4. Published

    Blade element momentum modeling of inflow with shear in comparison with advanced model results. / Aagaard Madsen, Helge; Riziotis, V.; Zahle, Frederik; Hansen, Martin Otto Laver; Snel, H.; Grasso, F.; Larsen, Torben J.; Politis, E.; Rasmussen, Flemming.

    In: Wind Energy, Vol. 15, No. 1, 2012, p. 63-81.

    Publication: Research - peer-review › Journal article – Annual report year: 2011

  5. Published

    Computation of the National Renewable Energy Laboratory Phase-VI rotor in pitch motion during standstill. / Sørensen, Niels N.; Schreck, S.

    In: Wind Energy, Vol. 15, No. 3, 2012, p. 425-442.

    Publication: Research - peer-review › Journal article – Annual report year: 2011

  6. Published

    Implicit Floquet Analysis of Wind Turbines using Tangent Matrices of a Nonlinear Aeroelastic Code. / Skjoldan, Peter Fisker; Hansen, Morten Hartvig.

    In: Wind Energy, Vol. 15, No. 2, 2012, p. 275-287.

    Publication: Research - peer-review › Journal article – Annual report year: 2011

  7. Published

    Outlier robustness for wind turbine extrapolated extreme loads. / Natarajan, Anand; Verelst, David Robert.

    In: Wind Energy, Vol. 15, No. 5, 2012, p. 679-697.

    Publication: Research - peer-review › Journal article – Annual report year: 2011

  8. Published

    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-review › Journal article – Annual report year: 2011

  9. 2011
  10. Published

    Offshore Vertical Axis Wind Turbine with Floating and Rotating Foundation. / Vita, Luca; Friis Pedersen, Troels (Supervisor); Aagaard Madsen, Helge (Supervisor).

    Kgs. Lyngby, Denmark : Technical University of Denmark (DTU), 2011.

    Publication: Research › Ph.d. thesis – Annual report year: 2011

  11. Published

    Optimization of wind turbine rotors - using advanced aerodynamic and aeroelastic models and numerical optimization. / Døssing, Mads.

    Roskilde : Risø National Laboratory for Sustainable Energy, Technical University of Denmark (DTU), 2011. 181 p. (Risø-PhD-69(EN)).

    Publication: Research › Ph.d. thesis – Annual report year: 2011

  12. Published

    Aeroelastic modal dynamics of wind turbines including anisotropic effects. / Skjoldan, Peter Fisker; Hansen, Morten Hartvig (Supervisor); Rubak, Rune (Supervisor); Thomsen, Kenneth (Supervisor).

    Roskilde : Danmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi, 2011. 158 p. (Risø-PhD-66(EN)).

    Publication: Research › Ph.d. thesis – Annual report year: 2011

  13. Published

    3D CFD computations of trasitional flows using DES and a correlation based transition model. / Sørensen, Niels N.; Bechmann, Andreas; Zahle, Frederik.

    In: Wind Energy, Vol. 14, No. 1, 2011, p. 77-90.

    Publication: Research - peer-review › Journal article – Annual report year: 2010

  14. Published

    A computational efficient algorithm for the aerodynamic response of non-straight blades. / Gaunaa, Mac; Réthoré, Pierre-Elouan Mikael; Sørensen, Niels N.; Døssing, Mads.

    In: Proceedings. EWEA, 2011.

    Publication: Research › Article in proceedings – Annual report year: 2011

  15. Published

    A computationally efficient method for determining the aerodynamic performance of kites for wind energy applications. / Gaunaa, Mac; Paralta Carqueija, Pedro Filipe; Réthoré, Pierre-Elouan Mikael; Sørensen, Niels N.

    In: Proceedings. EWEA, 2011.

    Publication: Research › Article in proceedings – Annual report year: 2011

  16. Published

    Advanced operational modal analysis methods for linear time periodic system identification. / Allen, Mathew S.; Chauhan, Shashank; Hansen, Morten Hartvig.

    In: Conference Proceedings of the Society for Experimental Mechanics Series. Vol. 4 New York : Springer, 2011. p. 31-44 (:Conference Proceedings of the Society for Experimental Mechanics Series; No. 4).

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2011

  17. Published

    Advancements in Wind Energy Metrology – UPWIND 1A2.3. / Angelou, Nikolas; Bingöl, Ferhat; Courtney, Michael; Diznabi, Babak; Foussekis, D.; Gottschall, Julia; Hansen, K.H.; Ejsing Jørgensen, Hans; Kristensen, Leif; Larsen, Gunner Chr.; Lindelöw, Per Jonas Petter; Mann, Jakob; Mikkelsen, Torben; Schmidt Paulsen, Uwe; Friis Pedersen, Troels; Pena Diaz, Alfredo; Sathe, Ameya; Sjöholm, Mikael; Wagner, Rozenn.

    Roskilde : Danmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi, 2011. 98 p. (Denmark. Forskningscenter Risoe. Risoe-R; No. 1752(EN)).

    Publication: Research › Report – Annual report year: 2011

  18. Published

    Aerodynamic damping of lateral tower vibrations. / Kallesøe, Bjarne Skovmose; Sørensen, Niels N.; Troldborg, Niels.

    In: Presentations from the Aeroelastic Workshop – latest results from AeroOpt. ed. / Morten Hartvig Hansen. Roskilde : Danmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi, 2011. (Denmark. Forskningscenter Risoe. Risoe-R; No. 1796(EN)).

    Publication: Research › Conference abstract in proceedings – Annual report year: 2011

  19. Published

    Aeroelasticity and aeroacoustics of wind turbines. / Aagaard Madsen, Helge (Invited author).

    2011. Ankara International Aerospace Conference, Ankara, Turkey, 14-16 Sep, 01-01-11.

    Publication: Research › Sound/Visual production (digital) – Annual report year: 2011

  20. Published

    Aeroelastic modal analysis of backward swept blades using HAWCStab2. / Hansen, Morten Hartvig.

    In: Presentations from the Aeroelastic Workshop – latest results from AeroOpt. ed. / Morten Hartvig Hansen. Roskilde : Danmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi, 2011. p. 120-136 (Denmark. Forskningscenter Risoe. Risoe-R; No. 1769(EN)).

    Publication: Research › Conference abstract in proceedings – Annual report year: 2011

  21. Published

    Aeroelastic rotor design minimizing the loads. / Døssing, Mads; Bak, Christian.

    In: Presentations from the Aeroelastic Workshop – latest results from AeroOpt. ed. / Morten Hartvig Hansen. Roskilde : Danmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi, 2011. p. 138-151 (Denmark. Forskningscenter Risoe. Risoe-R; No. 1769(EN)).

    Publication: Research › Conference abstract in proceedings – Annual report year: 2011

  22. Published

    Aero-Hydro-Elastic Simulation Platform for Wave Energy Systems and floating Wind Turbines. / Kallesøe, Bjarne Skovmose.

    Roskilde : Danmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi, 2011. 57 p. (Denmark. Forskningscenter Risoe. Risoe-R; No. 1767(EN)).

    Publication: Research › Report – Annual report year: 2011

  23. Published

    Analysis of Wind Turbine Loads. / Aagaard Madsen, Helge; Thomsen, Kenneth.

    In: Advances in Wind Energy Conversion Technology. Springer, 2011. p. 107-132 (Environmental Science and Engineering).

    Publication: Research - peer-review › Book chapter – Annual report year: 2011

  24. Published

    A New Beam Element in HAWC2 for Investigating Blade Bending-Twist Coupling Effects. / Kim, Taeseong.

    In: Presentations from the Aeroelastic Workshop – latest results from AeroOpt. ed. / Morten Hartvig Hansen. Roskilde : Danmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi, 2011. (Denmark. Forskningscenter Risoe. Risoe-R; No. 1796(EN)).

    Publication: Research › Conference abstract in proceedings – Annual report year: 2011

  25. Published

    Anisotropic beam element for modeling of the wind turbine blades. / Kim, Taeseong; Branner, Kim.

    2011. Poster session presented at EWEA Annual Event 2011, Brussels, Belgium.

    Publication: Research › Poster – Annual report year: 2011

  26. Published

    Anisotropic Beam Element in HAWC2 for Modeling of Composite lay-ups. / Kim, Taeseong.

    In: Presentations from the Aeroelastic Workshop – latest results from AeroOpt. ed. / Morten Hartvig Hansen. Roskilde : Danmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi, 2011. p. 6-23 (Denmark. Forskningscenter Risoe. Risoe-R; No. 1769(EN)).

    Publication: Research › Conference abstract in proceedings – Annual report year: 2011

  27. Published

    Applicability Limits of Operational Modal Analysis to Operational Wind Turbines. / Tcherniak, D.; Chauhan, Shashank; Hansen, Morten Hartvig.

    In: Structural Dynamics and Renewable Energy. Vol. 1 Society for Experimental Mechanics, 2011. p. 317-327 (Conference Proceedings of the Society for Experimental Mechanics Series; No. 10).

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2010

  28. Published

    A quasi 3D computation of merging wakes using a boundary layer equation model approach. / Aagaard Madsen, Helge; Larsen, Gunner Chr.; Troldborg, Niels; Larsen, Torben J.

    2011. Poster session presented at EWEA Annual Event 2011, Brussels, Belgium.

    Publication: Research › Poster – Annual report year: 2011

  29. Published

    A Small Study of Flatback Airfoils. / Sørensen, Niels N.

    In: Presentations from the Aeroelastic Workshop – latest results from AeroOpt. ed. / Morten Hartvig Hansen. Roskilde : Danmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi, 2011. p. 153-195 (Denmark. Forskningscenter Risoe. Risoe-R; No. 1769(EN)).

    Publication: Research › Conference abstract in proceedings – Annual report year: 2011

  30. Published

    Boundary Layer Measurements of the NACA0015 and Implications for Noise Modeling. / Bertagnolio, Franck.

    Roskilde : Danmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi, 2011. 66 p. (Denmark. Forskningscenter Risoe. Risoe-R; No. 1761(EN)).

    Publication: Research › Report – Annual report year: 2011

  31. Published

    CFD simulations of the MEXICO rotor. / Bechmann, Andreas; Sørensen, Niels N.; Zahle, Frederik.

    In: Wind Energy, Vol. 14, No. 5, 2011, p. 677-689.

    Publication: Research - peer-review › Journal article – Annual report year: 2011

  32. Published

    CFD Simulations of the Mexico Wind Tunnel and Wind Turbine. / Réthoré, Pierre-Elouan Mikael; Zahle, Frederik; Sørensen, Niels N.; Bechmann, Andreas.

    In: Proceedings. EWEA, 2011.

    Publication: Research › Article in proceedings – Annual report year: 2011

  33. Published

    Characterization of the unsteady flow in the nacelle region of a modern wind turbine. / Zahle, Frederik; Sørensen, Niels N.

    In: Wind Energy, Vol. 14, No. 2, 2011, p. 271-283.

    Publication: Research - peer-review › Journal article – Annual report year: 2010

  34. Published

    Comparison of the near wake of different kinds of wind turbine CFD models. / Réthoré, Pierre-Elouan Mikael; Troldborg, Niels; Zahle, Frederik; Sørensen, Niels N.

    2011. Abstract from Wake conference, Visby (SE), 8-9 Jun, .

    Publication: Research › Conference abstract for conference – Annual report year: 2011

  35. Published

    Comparison of wind tunnel results for two active aerodynamic load control devices. / Bæk, Peter; Jérémiaz, Jean-Guillaume; Kramer, Poul; Gaunaa, Mac.

    In: Proceedings. EWEA, 2011.

    Publication: Research › Article in proceedings – Annual report year: 2011

  36. Published

    Comparisons of wave kinematics models for an offshore wind turbine mounted on a jacket substructure. / Larsen, Torben J.; Kim, Taeseong; Schløer, Signe; Bredmose, Henrik.

    In: Proceedings. EWEA, 2011.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2011

  37. Published

    Conclusions of the Bolund Experiment and Blind Comparison. / Bechmann, Andreas (Invited author); Sørensen, Niels N. (Invited author); Berg, Jacob (Invited author); Mann, Jakob (Invited author); Réthoré, Pierre-Elouan Mikael (Invited author).

    In: Proceedings. 2011.

    Publication: Research › Conference abstract in proceedings – Annual report year: 2011

  38. Published

    DAN-AERO MW: Measured airfoil characteristics for a MW rotor in atmospheric conditions. / Bak, Christian; Troldborg, Niels; Aagaard Madsen, Helge.

    In: Scientific Proceedings. EWEA, 2011. p. 171-175.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2011

  39. Published

    Deepwind - an innovative wind turbine concept for offshore. / Schmidt Paulsen, Uwe; Friis Pedersen, Troels; Aagaard Madsen, Helge; Enevoldsen, Karen; Nielsen, Per Hørlyk; Hattel, Jesper Henri; Zanne, Luca; Battisti, Lorenzo; Brighenti, Allessandra; Lacaze, Marie; Lim, Victor; Wedel-Heinen, Jakob; Berthelsen, Petter A.; Carstensen, Stefan; de Ridder, Erik-Jan; van Bussel, Gerard; Tescione, Giuseppe.

    In: Proceedings. EWEA, 2011.

    Publication: Research › Article in proceedings – Annual report year: 2011

  40. Published

    Denmark. / Lemming, Jørgen Kjærgaard; Markou, Helen; Thomassen, Hanne.

    In: IEA Wind 2010 Annual Report. International Energy Agency, 2011. p. 75-81.

    Publication: Communication › Book chapter – Annual report year: 2011

  41. E-pub ahead of print

    Design and numerical evaluation of a 1kW floating VAWT demonstrator. / Vita, Luca; Friis Pedersen, Troels; Schmidt Paulsen, Uwe; Nielsen, Per Hørlyk; Lee, C.Y.; Ho, J.Y.; Ritchie, E.; Carstensen, S.; Smadja, C.

    2011. Poster session presented at Offshore 2011, Amsterdam (NL), 29 Nov - 1 Dec, .

    Publication: Research › Poster – Annual report year: 2011

  42. Published

    Design and test of a thick, flatback, high-lift multi-element airfoil. / Zahle, Frederik; Gaunaa, Mac; Bak, Christian; Sørensen, Niels N.

    In: Presentations from the Aeroelastic Workshop – latest results from AeroOpt. ed. / Morten Hartvig Hansen. Roskilde : Danmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi, 2011. (Denmark. Forskningscenter Risoe. Risoe-R; No. 1796(EN)).

    Publication: Research › Conference abstract in proceedings – Annual report year: 2011

  43. Published

    Design og optimering af vingetipper for vindmøller : Slutrapport. / Sørensen, Jens Nørkær; Shen, Wen Zhong; Zhu, Wei Jun; Borbye, Jakob; Okulov, Valery; Mikkelsen, Robert Flemming; Gaunaa, Mac; Réthoré, Pierre-Elouan Mikael; Sørensen, Niels N.

    DTU Mekanik, 2011. 10 p.

    Publication: Research › Report – Annual report year: 2011

  44. Published

    Detailed and reduced models of dynamic mooring system. / Hansen, Anders Melchior; Kallesøe, Bjarne Skovmose.

    In: Presentations from the Aeroelastic Workshop – latest results from AeroOpt. ed. / Morten Hartvig Hansen. Roskilde : Danmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi, 2011. (Denmark. Forskningscenter Risoe. Risoe-R; No. 1796(EN)).

    Publication: Research › Conference abstract in proceedings – Annual report year: 2011

  45. Published

    Detecting asymmetries in the rotor of a wind turbine using the multi-blade coordinate transformation. / Henriksen, Lars Christian; Niemann, Hans Henrik; Poulsen, Niels Kjølstad.

    In: Proceedings. 2011.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2011

  46. Published

    Determination of near wake characteristics behind a wind turbine. / Hansen, Kurt Schaldemose; Larsen, Gunner Chr.

    In: Book of abstracts. ed. / Stefan Ivanell; Jens Nørkær Sørensen. Högskolan på Gotland, 2011. p. 102-103.

    Publication: Research › Conference abstract in proceedings – Annual report year: 2011

  47. Published

    Developing Anisotropic Beam Element for Design of Composite Wind Turbine Blades. / Kim, Taeseong; Branner, Kim; Hansen, Anders Melchior.

    In: Proceedings. 2011.

    Publication: Research › Article in proceedings – Annual report year: 2011

  48. Published

    Development of a Simulation Tool to Predict Urban Wind Potential. / Beller, Christina.

    In: Smart Innovation, Systems and Technologies, Vol. 7, 2011, p. 111-120.

    Publication: Research - peer-review › Conference article – Annual report year: 2011

  49. Published

    Dynamic mooring line modeling in hydro-aero-elastic wind turbine simulations. / Kallesøe, Bjarne Skovmose; Hansen, Anders Melchior.

    In: Proceedings of the International Offshore and Polar Engineering Conference. International Society of Offshore and Polar Engineers, 2011. p. 375-382.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2011

  50. Published

    Dynamics of a floating wave energy platform with three wind turbines operating. / Larsen, Torben J.; Kallesøe, Bjarne Skovmose; Hansen, Hans F.

    In: Proceedings. International Society of Offshore and Polar Engineers, 2011. p. 391-398.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2011

  51. Published

    Effect of steady deflections on the aeroelastic stability of a turbine blade. / Kallesøe, Bjarne Skovmose.

    In: Wind Energy, Vol. 14, No. 2, 2011, p. 209-224.

    Publication: Research - peer-review › Journal article – Annual report year: 2010

  52. Published

    Energy Output Estimation for a Small Wind Turbine Positioned on a Rooftop in the Urban Environment with and without a Duct. / Beller, Christina.

    Roskilde : Danmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi, 2011. 22 p. (Denmark. Forskningscenter Risoe. Risoe-R; No. 1669(EN)).

    Publication: Research › Report – Annual report year: 2011

  53. Published

    Energy technologies for smart cities : Wind energy. / Beller, Christina; Friis, Peggy; Madsen, Peter Hauge.

    In: Risø energy report 10 : Energy for smart cities in an urbanised world. Roskilde : Danmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi, 2011. p. 37-40 (Denmark. Forskningscenter Risoe. Risoe-R; No. 1778(EN)).

    Publication: Research - peer-review › Book chapter – Annual report year: 2011

  54. Published

    Enhanced BEM including wake expansion and swirl. / Døssing, Mads; Bak, Christian; Aagaard Madsen, Helge.

    In: Presentations from the Aeroelastic Workshop – latest results from AeroOpt. ed. / Morten Hartvig Hansen. Roskilde : Danmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi, 2011. p. 43-53 (Denmark. Forskningscenter Risoe. Risoe-R; No. 1769(EN)).

    Publication: Research › Conference abstract in proceedings – Annual report year: 2011

  55. Published

    Evaluation of the Dynamic Wake Meander Model for Loads and Power Production at the Egmond aan Zee Wind Farm. / Larsen, Torben J.; Aagaard Madsen, Helge; Larsen, Gunner Chr.; Hansen, Kurt Schaldemose.

    In: Book of abstracts. ed. / Stefan Ivanell; Jens Nørkær Sørensen. Högskolan på Gotland, 2011. p. 68-68.

    Publication: Research › Conference abstract in proceedings – Annual report year: 2011

  56. Published

    Experimental investigation and calibration of surface pressure modeling for trailing edge noise. / Bertagnolio, Franck.

    In: Proceedings of the 40th International Congress and Exposition on Noise Control Engineering 2011 (INTER-NOISE 2011). 2011. p. 222-228.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2011

  57. Published

    Free yawing stall-controlled downwind wind turbine with swept blades and coned rotor. / Picot, Natalie; Verelst, David Robert; Larsen, Torben J.

    In: Proceedings. EWEA, 2011.

    Publication: Research › Article in proceedings – Annual report year: 2011

  58. Published

    Full Scale Test SSP 34m blade, Combined load. Data report. / Nielsen, Per Hørlyk; Nielsen, Magda; Jensen, Find Mølholt; Berring, Peter; Roczek-Sieradzan, Agnieszka; Roudnitski, Vatslav; Bitsche, Robert; Andrlová, Zuzana; Branner, Kim; Bak, Christian; Kallesøe, Bjarne Skovmose; McGugan, Malcolm; Lagerbon, Mikkel; Wedel-Heinen, Jakob; Lindby, Torben; Riber, Hans Jørgen; Jensen, Christian.

    Roskilde : Danmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi, 2011. 183 p. (Denmark. Forskningscenter Risoe. Risoe-R; No. 1749(EN)).

    Publication: Research › Report – Annual report year: 2011

  59. Published

    Gearbox loads caused by double contact simulated with HAWC2. / Hansen, Anders Melchior; Rasmussen, Flemming; Larsen, Torben J.

    In: Proceedings. EWEA, 2011.

    Publication: Research › Article in proceedings – Annual report year: 2011

  60. Published

    Hvordan kan vindmøller nedbringe en færges luftmodstand?. / Gaunaa, Mac.

    01 January 2011. Available from http://ing.dk/artikel/121417-hvordan-kan-vindmoeller-nedbringe-en-faerges-luftmodstand.

    Publication: Communication › Internet publication – Annual report year: 2011

  61. Published

    Hybrid RANS/LES applied to complex terrain. / Bechmann, Andreas; Sørensen, Niels N.

    In: Wind Energy, Vol. 14, No. 2, 2011, p. 225-237.

    Publication: Research - peer-review › Journal article – Annual report year: 2010

  62. Published

    Impact of fault ride-through requirements on fixed-speed wind turbine structural loads. / Hansen, Anca Daniela; Cutululis, Nicolaos Antonio; Markou, Helen; Sørensen, Poul Ejnar.

    In: Wind Energy, Vol. 14, No. 1, 2011, p. 1-11.

    Publication: Research - peer-review › Journal article – Annual report year: 2010

  63. Published

    Imposing resolved turbulence in CFD simulations. / Gilling, L.; Sørensen, Niels N.

    In: Wind Energy, Vol. 14, No. 5, 2011, p. 661-676.

    Publication: Research - peer-review › Journal article – Annual report year: 2011

  64. Published

    Indicial Response Function for Finite-Thickness Airfoils, A Semi-Empirical Approach. / Gaunaa, Mac; Bergami, Leonardo; Heinz, Joachim Christian.

    In: Papers. American Institute of Aeronautics and Astronautics, 2011. p. AIAA 2011-542.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2011

  65. Published

    Influence of actuator dynamics on the load reduction potential of wind turbines with distributed controllable rubber trailing edge flaps (CRTEF). / Barlas, Thanasis K.; Aagaard Madsen, Helge.

    In: Proceedings. 2011.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2011

  66. Published

    Influence of up-scaling on loads, control and aerodynamic modeling. / Aagaard Madsen, Helge; Rasmussen, Flemming; Larsen, Torben J.; Riziotis, Vasilis.

    In: Presentations from the Aeroelastic Workshop – latest results from AeroOpt. ed. / Morten Hartvig Hansen. Roskilde : Danmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi, 2011. (Denmark. Forskningscenter Risoe. Risoe-R; No. 1796(EN)).

    Publication: Research › Conference abstract in proceedings – Annual report year: 2011

  67. Published

    Investigation of the load reduction potential of two trailing edge flap controls using CFD. / Heinz, Joachim Christian; Sørensen, Niels N.; Zahle, Frederik.

    In: Wind Energy, Vol. 14, No. 3, 2011, p. 449-462.

    Publication: Research - peer-review › Journal article – Annual report year: 2011

  68. Published

    Light detection and ranging measurements of wake dynamics. Part II: two-dimensional scanning. / Trujillo, Juan-José; Bingöl, Ferhat; Larsen, Gunner Chr.; Mann, Jakob; Kühn, Martin.

    In: Wind Energy, Vol. 14, No. 1, 2011, p. 61-75.

    Publication: Research - peer-review › Journal article – Annual report year: 2010

  69. E-pub ahead of print

    Load reduction for a two-bladed upwind turbine with partial pitch. / Kim, Taeseong; Kallesøe, Bjarne Skovmose; Friedrich, Michael.

    In: Proceedings. EWEA, 2011.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2011

  70. Published

    Load validation and comparison versus certification approaches of the Risø Dynamic Wake Meandering model implementation in GH Bladed. / Schmidt, Björn; King, John; Larsen, Gunner Chr.; Larsen, Torben J.

    In: Scientific Proceedings. EWEA, 2011. p. 249-254.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2011

  71. Published

    Mexico Wind Tunnel and Wind Turbine modelled in CFD. / Réthoré, Pierre-Elouan Mikael; Sørensen, Niels N.; Zahle, Frederik; Bechmann, Andreas; Aagaard Madsen, Helge.

    In: Proceedings. AIAA, 2011. p. AIAA-2011-3373.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2011

  72. Published

    Modelling merging wakes with three different approaches. / Aagaard Madsen, Helge; Larsen, Gunner Chr.; Troldborg, Niels; Larsen, Torben J.

    In: Book of abstracts. ed. / Stefan Ivanell; Jens Nørkær Sørensen. Högskolan på Gotland, 2011. p. 56-57.

    Publication: Research › Conference abstract in proceedings – Annual report year: 2011

  73. Published

    Model Predictive Control of Wind Turbines. / Henriksen, Lars Christian; Poulsen, Niels Kjølstad (Supervisor); Hansen, Morten Hartvig (Supervisor).

    Kgs. Lyngby, Denmark : Technical University of Denmark (DTU), 2011. (IMM-PHD-2010-244).

    Publication: Research › Ph.d. thesis – Annual report year: 2010

  74. Published

    Model Predictive Individual Pitch Control Based on Local Inflow Measurements. / Kragh, Knud Abildgaard (Invited author); Hansen, Morten Hartvig (Invited author).

    In: Seminar proceedings. 2011.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2011

  75. E-pub ahead of print

    Nacelle lidar power performance measurement in the context of the IEC 61400-12-1 standard. / Wagner, Rozenn; Friis Pedersen, Troels; Courtney, Michael; Antoniou, I.; Pedersen, S.M.; Bardon, M.; Davoust, S.; Velociter, T.; Le, N.; Mouritzen, A.S.

    In: Proceedings. EWEA, 2011.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2011

  76. Published

    Noise emission from wind turbines in wake. / Dam Madsen, Kaj; Plovsing, Birger; Sørensen, Thomas; Aagaard Madsen, Helge; Bertagnolio, Franck.

    DELTA, 2011. 85 p.

    Publication: Research › Report – Annual report year: 2011

  77. Published

    Nonlinear beam element in HAWC2 for modeling of mooring systems. / Kallesøe, Bjarne Skovmose.

    In: Presentations from the Aeroelastic Workshop – latest results from AeroOpt. ed. / Morten Hartvig Hansen. Roskilde : Danmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi, 2011. p. 25-41 (Denmark. Forskningscenter Risoe. Risoe-R; No. 1769(EN)).

    Publication: Research › Conference abstract in proceedings – Annual report year: 2011

  78. Published

    Nonlinear Model Predictive Control of a Simplified Wind Turbine. / Henriksen, Lars Christian; Poulsen, Niels Kjølstad; Hansen, Morten Hartvig.

    In: Preprints of the 18th IFAC World Congress. International Federation of Automatic Control, 2011. p. 551-556.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2011

  79. Published

    Numerical simulations of wake interaction between two wind turbines at various inflow conditions. / Troldborg, Niels; Larsen, Gunner Chr.; Aagaard Madsen, Helge; Hansen, Kurt Schaldemose; Sørensen, Jens Nørkær; Mikkelsen, Robert Flemming.

    In: Wind Energy, Vol. 14, No. 7, 2011, p. 859-876.

    Publication: Research - peer-review › Journal article – Annual report year: 2010

  80. Published

    Offshore wind energy research activities at risø DTU. / Aagaard Madsen, Helge (Invited author).

    2011. Abstract from International Conference on Offshore Wind Energy and Ocean Energy, Beijing, China.

    Publication: Research › Conference abstract for conference – Annual report year: 2011

  81. Published

    Open- and closed-loop aero-servo-elastic analysis with HAWCStab2. / Hansen, Morten Hartvig; Sønderby, Ivan Bergquist.

    In: Presentations from the Aeroelastic Workshop – latest results from AeroOpt. ed. / Morten Hartvig Hansen. Roskilde : Danmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi, 2011. (Denmark. Forskningscenter Risoe. Risoe-R; No. 1796(EN)).

    Publication: Research › Conference abstract in proceedings – Annual report year: 2011

  82. Published

    Optimization of the Wind Turbine Rotor to Enhance the Performance. / Kim, Taeseong; Bak, Christian; Buhl, Thomas.

    In: Papers. AIAA, 2011. p. AIAA-2011-1820.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2011

  83. Published

    Output-only modal analysis of linear time-periodic systems with application to wind turbine simulation data. / Allen, Matthew S.; Sracic, Michael W.; Chauhan, Shashank; Hansen, Morten Hartvig.

    In: Mechanical Systems and Signal Processing, Vol. 25, No. 4, 2011, p. 1174-1191.

    Publication: Research - peer-review › Journal article – Annual report year: 2011

  84. Published

    Output-Only Modal Analysis of Linear Time Periodic Systems with Application to Wind Turbine Simulation Data. / Allen, Matthew S.; Sracic, Michael W.; Chauhan, Shashank; Hansen, Morten Hartvig.

    In: Structural Dynamics and Renewable Energy. Vol. 1 Society for Experimental Mechanics, 2011. p. 361-374 (Conference Proceedings of the Society for Experimental Mechanics Series; No. 10).

    Publication: Research › Article in proceedings – Annual report year: 2010

  85. Published

    Parametric study of composite wind turbine blades. / Kim, Taeseong; Branner, Kim; Hansen, Anders Melchior.

    In: Risoe International Symposium on Materials Science. Proceedings, Vol. 32, 2011, p. 339-350.

    Publication: Research - peer-review › Conference article – Annual report year: 2011

  86. Published

    Potential load reductions on megawatt turbines exposed to wakes using individual-pitch wake compensator and trailing-edge flaps. / Markou, Helen; Andersen, Peter Bjørn; Larsen, Gunner Chr.

    In: Wind Energy, Vol. 14, No. 7, 2011, p. 841-857.

    Publication: Research - peer-review › Journal article – Annual report year: 2010

  87. Published

    Potential of fatigue and extreme load reductions on swept blades using HAWC2. / Verelst, David Robert.

    In: Presentations from the Aeroelastic Workshop – latest results from AeroOpt. ed. / Morten Hartvig Hansen. Roskilde : Danmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi, 2011. p. 103-118 (Denmark. Forskningscenter Risoe. Risoe-R; No. 1769(EN)).

    Publication: Research › Conference abstract in proceedings – Annual report year: 2011

  88. Published

    Presentations from the Aeroelastic Workshop – latest results from AeroOpt. / Hansen, Morten Hartvig.

    Roskilde : Danmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi, 2011. 204 p. (Denmark. Forskningscenter Risoe. Risoe-R; No. 1769(EN)).

    Publication: Research › Report – Annual report year: 2011

  89. Published

    Presentations from the Aeroelastic Workshop – latest results from AeroOpt. / Hansen, Morten Hartvig.

    Roskilde : Danmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi, 2011. 192 p. (Denmark. Forskningscenter Risoe. Risoe-R; No. 1796(EN)).

    Publication: Research › Report – Annual report year: 2011

  90. Published

    Review paper on wind turbine aerodynamics. / Hansen, Martin Otto Laver; Aagaard Madsen, Helge.

    In: Journal of Fluids Engineering, Vol. 133, No. 11, 2011, p. 114001.

    Publication: Research - peer-review › Journal article – Annual report year: 2011

  91. Published

    Slender blades reduce the loads. / Bak, Christian; Døssing, Mads.

    In: Proceedings. 2011.

    Publication: Research › Conference abstract in proceedings – Annual report year: 2011

  92. Published

    Status of airfoil design and plans for wind tunnel tests of new thick airfoils. / Bak, Christian; Gaunaa, Mac; Sørensen, Niels N.; Bertagnolio, Franck.

    In: Presentations from the Aeroelastic Workshop – latest results from AeroOpt. ed. / Morten Hartvig Hansen. Roskilde : Danmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi, 2011. p. 197-202 (Denmark. Forskningscenter Risoe. Risoe-R; No. 1769(EN)).

    Publication: Research › Conference abstract in proceedings – Annual report year: 2011

  93. Published

    Structural Integrity Design of a Composite Wing in a Tiltrotor Aircraft. / Lim, JaeHoon; Kim, Taeseong; Shin, SangJoon.

    In: Proceedings. 2011.

    Publication: Research › Article in proceedings – Annual report year: 2011

  94. Published

    The Bolund Experiment, Part I: Flow Over a Steep, Three-Dimensional Hill. / Berg, Jacob; Mann, Jakob; Bechmann, Andreas; Courtney, Michael; Ejsing Jørgensen, Hans.

    In: Boundary-Layer Meteorology, Vol. 141, No. 2, 2011, p. 219-243.

    Publication: Research - peer-review › Journal article – Annual report year: 2011

  95. E-pub ahead of print

    The Bolund Experiment. Part II: Blind Comparison of Microscale Flow Models. / Bechmann, Andreas; Sørensen, Niels N.; Berg, Jacob; Mann, Jakob; Réthoré, Pierre-Elouan Mikael.

    In: Boundary-Layer Meteorology, 2011.

    Publication: Research - peer-review › Journal article – Annual report year: 2011

  96. Published

    The Dynamic Wake Meandering model for Simulation of loads and Power in Wind farms. / Aagaard Madsen, Helge (Invited author); Larsen, Gunner Chr. (Invited author); Larsen, Torben J. (Invited author); Troldborg, Niels (Invited author); Réthoré, Pierre-Elouan Mikael (Invited author).

    2011. Abstract from International Conference on Offshore Wind Energy and Ocean Energy, Beijing, China.

    Publication: Research › Conference abstract for conference – Annual report year: 2011

  97. E-pub ahead of print

    The UpWind Special Issue. / Rasmussen, Flemming.

    In: Wind Energy, 2011.

    Publication: Research - peer-review › Editorial – Annual report year: 2011

  98. Published

    TOPFARM - a platform for wind farm topology optimization. / Larsen, Gunner Chr.; Aagaard Madsen, Helge; Larsen, Torben J.; Réthoré, Pierre-Elouan Mikael; Fuglsang, Peter.

    In: Book of abstracts. ed. / Stefan Ivanell; Jens Nørkær Sørensen. Högskolan på Gotland, 2011. p. 40-42.

    Publication: Research › Conference abstract in proceedings – Annual report year: 2011

  99. Published

    TopFarm: Multi-fidelity optimization of offshore wind farm. / Réthoré, Pierre-Elouan Mikael; Fuglsang, Peter; Larsen, Gunner Chr.; Buhl, Thomas; Larsen, Torben J.; Aagaard Madsen, Helge.

    In: Proceedings. International Society of Offshore and Polar Engineers, 2011. p. 516-524.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2011

  100. Published

    TOPFARM - philosophy, results and outlook. / Larsen, Gunner Chr.; Aagaard Madsen, Helge; Larsen, Torben J.; Troldborg, Niels; Buhl, Thomas; Réthoré, Pierre-Elouan Mikael.

    In: Proceedings. EWEA, 2011.

    Publication: Research › Conference abstract in proceedings – Annual report year: 2011

  101. Published

    TOPFARM wind farm optimization tool. / Réthoré, Pierre-Elouan; Fuglsang, Peter; Larsen, Torben J.; Buhl, Thomas; Larsen, Gunner Chr.

    Risø National Laboratory for Sustainable Energy, Technical University of Denmark, 2011. 94 p. (Denmark. Forskningscenter Risoe. Risoe-R; No. 1768(EN)).

    Publication: Research › Report – Annual report year: 2011

  102. Published

    Trends in Wind Energy Technology Development. / Rasmussen, Flemming; Madsen, Peter Hauge; Tande, John O.; van Kuik, Gijs.

    In: Energy Systems and Technologies for the coming Century: Proceedings. Roskilde : Danmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi, 2011. p. 205-214 (Denmark. Forskningscenter Risoe. Risoe-R; No. 1776(EN)).

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2011

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