Frederik Zahle

  1. 2014
  2. Published

    Airfoil design: Finding the balance between design lift and structural stiffness. / Bak, Christian; Gaudern, Nicholas; Zahle, Frederik; Vronsky, Tomas.

    In: Journal of Physics: Conference Series (Online), Vol. 524, 012017, 2014.

    Publication: Research - peer-reviewConference article – Annual report year: 2014

  3. E-pub ahead of print

    Calibration of a spinner anemometer for yaw misalignment measurements. / Friis Pedersen, Troels; Demurtas, Giorgio; Zahle, Frederik.

    In: Wind Energy, 2014.

    Publication: Research - peer-reviewJournal article – Annual report year: 2014

  4. Published
  5. Published

    Comprehensive Aerodynamic Analysis of a 10 MW Wind Turbine Rotor Using 3D CFD. / Zahle, Frederik; Bak, Christian; Sørensen, Niels N.; Guntur, Srinivas; Troldborg, Niels.

    Proceedings of 32nd ASME Wind Energy Symposium. American Society of Mechanical Engineers, 2014. AIAA 2014-0359.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2014

  6. Published

    Design of the LRP airfoil series using 2D CFD. / Zahle, Frederik; Bak, Christian; Sørensen, Niels N.; Vronsky, Tomas; Gaudern, Nicholas.

    In: Journal of Physics: Conference Series (Online), Vol. 524, No. 1, 012020, 2014.

    Publication: Research - peer-reviewConference article – Annual report year: 2014

  7. Published
  8. Published
  9. Published

    Parametric approximation of airfoil aerodynamic coefficients at high angles of attack. / Skrzypinski, Witold Robert; Zahle, Frederik; Bak, Christian.

    Proceedings of EWEA 2014. European Wind Energy Association (EWEA), 2014.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2014

  10. Published

    Parametric approximation of airfoil aerodynamic coefficients at high angles of attack. / Skrzypinski, Witold Robert; Zahle, Frederik; Bak, Christian.

    2014. Poster session presented at European Wind Energy Conference & Exhibition 2014, Barcelona, Spain.

    Publication: Research - peer-reviewPoster – Annual report year: 2014

  11. Published

    Prediction of the Effect of Vortex Generators on Airfoil Performance. / Sørensen, Niels N.; Zahle, Frederik; Bak, Christian; Vronsky, T.

    In: Journal of Physics: Conference Series (Online), Vol. 524, No. 1, 012019, 2014.

    Publication: Research - peer-reviewConference article – Annual report year: 2014

  12. Published

    Self-induced vibrations of a DU96-W-180 airfoil in stall. / Skrzypinski, Witold Robert; Gaunaa, Mac; Sørensen, Niels N.; Zahle, Frederik; Heinz, Joachim Christian.

    In: Wind Energy, Vol. 17, No. 4, 2014, p. 641-655.

    Publication: Research - peer-reviewJournal article – Annual report year: 2013

  13. Published

    Verification and validation of an actuator disc model. / Réthoré, Pierre-Elouan; Laan, van der, Paul Maarten; Troldborg, Niels; Zahle, Frederik; Sørensen, Niels N.

    In: Wind Energy, Vol. 17, No. 6, 2014, p. 919–937.

    Publication: Research - peer-reviewJournal article – Annual report year: 2013

  14. Published

    Vortex-induced vibrations of a DU96-W-180 airfoil at 90° angle of attack. / Skrzypinski, Witold Robert; Gaunaa, Mac; Sørensen, Niels N.; Zahle, Frederik; Heinz, Joachim Christian.

    In: Wind Energy, Vol. 17, No. 10, 2014, p. 1495-1514.

    Publication: Research - peer-reviewJournal article – Annual report year: 2014

  15. 2013
  16. Published
  17. Published

    Experimental and numerical investigation of 3D aerofoil characteristics on a MW wind turbine. / Troldborg, Niels; Bak, Christian; Sørensen, Niels N.; Aagaard Madsen , Helge; Réthoré, Pierre-Elouan; Zahle, Frederik; Guntur, Srinivas.

    Proceedings - European Wind Energy Conference & Exhibition 2013. European Wind Energy Association (EWEA), 2013.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2013

  18. Published

    Partitioned Fluid-Structure Interaction for Full Rotor Computations Using CFD. / Heinz, Joachim Christian; Sørensen, Niels N. (Main supervisor); Zahle, Frederik (Supervisor).

    DTU Wind Energy, 2013. 182 p. (DTU Wind Energy PhD; No. 0033(EN)).

    Publication: ResearchPh.D. thesis – Annual report year: 2013

  19. Published

    Rotor Performance Enhancement Using Slats on the Inner Part of a 10MW Rotor. / Gaunaa, Mac; Zahle, Frederik; Sørensen, Niels N.; Bak, Christian; Réthoré, Pierre-Elouan.

    Proceedings og EWEA 2013. European Wind Energy Association (EWEA), 2013.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2013

  20. Published

    Rotor Performance Enhancement Using Slats on the Inner Part of a 10MW Rotor. / Gaunaa, Mac (Author); Zahle, Frederik (Author); Sørensen, Niels N. (Author); Bak, Christian (Author); Réthoré, Pierre-Elouan (Author).

    2013. European Wind Energy Association (EWEA).European Wind Energy Conference & Exhibition 2013, Vienna, Austria, 04/02/13.

    Publication: ResearchSound/Visual production (digital) – Annual report year: 2013

  21. Published
  22. 2012
  23. 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-reviewJournal article – Annual report year: 2011

  24. Published

    Comparison of four different models of vortex generators. / Fernandez, U.; Réthoré, Pierre-Elouan; Sørensen, Niels N.; Velte, Clara Marika; Zahle, Frederik; Egusquiza, E.

    Proceedings of EWEA 2012 - European Wind Energy Conference & Exhibition. European Wind Energy Association (EWEA), 2012.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2012

  25. Published

    Comparison of openfoam and ellipsys for modelling the wind ressources in complex terrain. / Réthoré, Pierre-Elouan; Martinez, Benjamin ; Cavar, Dalibor; Zahle, Frederik; Berg, Jacob; Sørensen, Niels N.

    Proceedings of EWEA 2012 - European Wind Energy Conference & Exhibition. European Wind Energy Association (EWEA), 2012.

    Publication: Research - peer-reviewConference abstract in proceedings – Annual report year: 2012

  26. Published

    Comparison of openfoam and ellipsys for modelling the wind ressources in complex terrain. / Réthoré, Pierre-Elouan; Martinez, Benjamin ; Cavar, Dalibor; Zahle, Frederik; Berg, Jacob; Sørensen, Niels N.

    2012. Poster session presented at EWEA 2012 - European Wind Energy Conference & Exhibition, Copenhagen, Denmark.

    Publication: Research - peer-reviewPoster – Annual report year: 2012

  27. Published
  28. Published

    Comparison of wind turbine wake properties in non-uniform inflow predicted by different CFD rotor models. / Troldborg, Niels (Author); Zahle, Frederik (Author); Sørensen, Niels N. (Author); Réthoré, Pierre-Elouan (Author).

    2012. The science of Making Torque from Wind 2012, Oldenburg, Germany, 09/10/12.

    Publication: ResearchSound/Visual production (digital) – Annual report year: 2012

  29. Published

    Design and Wind Tunnel Testing of a Thick, Multi-Element High-Lift Airfoil. / Zahle, Frederik; Gaunaa, Mac; Sørensen, Niels N.; Bak, Christian.

    Proceedings of EWEA 2012 - European Wind Energy Conference & Exhibition. European Wind Energy Association (EWEA), 2012.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2012

  30. Published

    Light Rotor: The 10-MW reference wind turbine. / Bak, Christian; Bitsche, Robert; Yde, Anders; Kim, Taeseong; Hansen, Morten Hartvig; Zahle, Frederik; Gaunaa, Mac; Blasques, José Pedro Albergaria Amaral; Døssing, Mads; Wedel Heinen, Jens-Jakob ; Behrens, Tim .

    Proceedings of EWEA 2012 - European Wind Energy Conference & Exhibition. European Wind Energy Association (EWEA), 2012.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2012

  31. Published

    Modelling of unsteady airfoil aerodynamics for the prediction of blade standstill vibrations. / Skrzypinski, Witold Robert; Gaunaa, Mac; Sørensen, Niels N.; Zahle, Frederik.

    Proceedings of EWEA 2012 - European Wind Energy Conference & Exhibition. European Wind Energy Association (EWEA), 2012.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2012

  32. Published

    Parametric Study of the Device Angle Dependency of a Single Vortex Generator on a Flat Plate. / Fernandez, U.; Réthoré, Pierre-Elouan; Sørensen, Niels N.; Velte, Clara Marika; Zahle, Frederik; Egusquiza, E.

    2012. Paper presented at 10th World Congress on Computational Mechanics (WCCM 2012), Sao Paulo, Brazil.

    Publication: Research - peer-reviewPaper – Annual report year: 2012

  33. Published

    Quantification of the Effects of Using Slats on the Inner Part of a 10MW Rotor. / Gaunaa, Mac; Zahle, Frederik; Sørensen, Niels N.; Bak, Christian.

    Proceedings of EWEA 2012 - European Wind Energy Conference & Exhibition. European Wind Energy Association (EWEA), 2012.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2012

  34. Published

    Quantification of the Effects of Using Slats on the Inner Part of a 10MW Rotor. / Gaunaa, Mac; Zahle, Frederik; Sørensen, Niels N.; Bak, Christian.

    2012. Poster session presented at EWEA 2012 - European Wind Energy Conference & Exhibition, Copenhagen, Denmark.

    Publication: Research - peer-reviewPoster – Annual report year: 2012

  35. Published

    Simulations of a rotor with active deformable trailing edge flaps in half-wake inflow: Comparison of EllipSys 3D with HAWC2. / Barlas, Thanasis K.; Zahle, Frederik; Sørensen, Niels N.; Gaunaa, Mac; Bergami, Leonardo.

    Proceedings of EWEA 2012 - European Wind Energy Conference & Exhibition. European Wind Energy Association (EWEA), 2012.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2012

  36. 2011
  37. 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-reviewJournal article – Annual report year: 2010

  38. Published

    Aeroelastic Optimization of MW Wind Turbines. / Hansen, Morten Hartvig; Zahle, Frederik.

    Roskilde : Danmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi, 2011. 144 p. (Denmark. Forskningscenter Risoe. Risoe-R; No. 1803(EN)).

    Publication: ResearchReport – Annual report year: 2012

  39. 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-reviewJournal article – Annual report year: 2011

  40. Published

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

    Proceedings. European Wind Energy Association (EWEA), 2011.

    Publication: ResearchArticle in proceedings – Annual report year: 2011

  41. 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-reviewJournal article – Annual report year: 2010

  42. 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: ResearchConference abstract for conference – Annual report year: 2011

  43. Published

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

    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: ResearchConference abstract in proceedings – Annual report year: 2011

  44. 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-reviewJournal article – Annual report year: 2011

  45. Published

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

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

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2011

  46. Published

    Unsteady Navier-Stokes Simulations of a Rotor Operating in Wake. / Zahle, Frederik; Aagaard Madsen, Helge; Sørensen, Niels N.

    Proceedings. European Wind Energy Association (EWEA), 2011.

    Publication: ResearchArticle in proceedings – Annual report year: 2011

  47. 2010
  48. Published
  49. Published

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

    Torque 2010: The science of making torque from wind. European Wind Energy Association (EWEA), 2010. p. 235-246.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2010

  50. Published

    Upwind Navier-Stokes Rotor Flow Simulations with ground proximity and shear. / Zahle, Frederik; Sørensen, Niels N.

    Torque 2010: The science of making torque from wind. European Wind Energy Association (EWEA), 2010. p. 255-263.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2010

  51. Published

    Validation of an Actuator Disc Model. / Réthoré, Pierre-Elouan Mikael; Sørensen, Niels N.; Zahle, Frederik.

    EWEC 2010 Proceedings online. European Wind Energy Association (EWEA), 2010.

    Publication: ResearchArticle in proceedings – Annual report year: 2010

  52. 2009
  53. Published

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

    EWEC 2009 Proceedings online. EWEC, 2009.

    Publication: ResearchArticle in proceedings – Annual report year: 2009

  54. Published

    Characterisation of the Unsteady Flow in the Nacelle Region of a Modern Wind Turbine. / Zahle, Frederik; Sørensen, Niels N.

    Research in Aeroelasticity EFP-2007-II. ed. / Thomas Buhl. Roskilde : Danmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi, 2009. p. 30-41 (Denmark. Forskningscenter Risoe. Risoe-R; No. 1698(EN)).

    Publication: ResearchReport chapter – Annual report year: 2009

  55. Published

    Evaluation of tower shadow effects on various wind turbine concepts. / Zahle, Frederik; Aagaard Madsen, Helge; Sørensen, Niels N.

    Research in Aeroelasticity EFP-2007-II. ed. / Thomas Buhl. Roskilde : Danmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi, 2009. p. 11-29 (Denmark. Forskningscenter Risoe. Risoe-R; No. 1698(EN)).

    Publication: ResearchReport chapter – Annual report year: 2009

  56. Published

    Study of the atmospheric wake turbulence of a CFD actuator disc model. / Rethore, Pierre-Elouan Mikael; Sørensen, Niels N.; Bechmann, Andreas; Zahle, Frederik.

    EWEC 2009 Proceedings online. EWEC, 2009.

    Publication: ResearchArticle in proceedings – Annual report year: 2009

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