Wind Tunnel Tests on Ice Accretionon Wind Turbine BladesPreparation, Set-upAdriana HudeczMartin O.L. HansenHolger H. Koss
Purpose• Study the ice build-up• Study the effect of ice on the aerodynamics• Study the flow around the iced blade – flow ...
Wind Tunnel• Climatic wind tunnel – FORCE Technology and DTU    – Rain, ice, snow           [Picture: http://www.cesdyn.by...
Test set-up• NACA 64-618 airfoil section provided by LM Wind Power• 900 mm chord length and 1350 mm width4   DTU Wind Ener...
Test set-up•   NACA 64-618 airfoil section, provided by LM Wind Power•   900 mm chord length and 1350 mm width•   A pair o...
Test set-up - final                                                       In the workshop6   DTU Wind Energy, Technical Un...
Test set-up - final                                            In the tunnel               Down stream                    ...
Test set-up - final8   DTU Wind Energy, Technical University of Denmark   7 February                                      ...
Wind Tunnel Tests - Preparation• Due to unexpected circumstances   – Some velocity tests – test the set up   – Flow visual...
Wind Tunnel Tests – Flow Visualization10   DTU Wind Energy, Technical University of Denmark   7 February                  ...
Wind Tunnel Tests – Flow Visualization11   DTU Wind Energy, Technical University of Denmark   7 February                  ...
Wind Tunnel Tests – Flow Visualization12   DTU Wind Energy, Technical University of Denmark   7 February                  ...
Wind Tunnel Tests – Further Plans• Dry test:    – Test of the set-up both aerodynamics and pressure distribution, flow    ...
Thank you !Plans                  Contact: Adriana Hudecz, ahud@dtu.dk14   DTU Wind Energy, Technical University of Denmar...
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Wind tunnel tests on ice accretion on wind turbine blades Adriána Hudecz, Holger H. Koss and Martin O. L. Hansen, DTU

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Wind tunnel tests on ice accretion on wind turbine blades Adriána Hudecz, Holger H. Koss and Martin O. L. Hansen, DTU

  1. 1. Wind Tunnel Tests on Ice Accretionon Wind Turbine BladesPreparation, Set-upAdriana HudeczMartin O.L. HansenHolger H. Koss
  2. 2. Purpose• Study the ice build-up• Study the effect of ice on the aerodynamics• Study the flow around the iced blade – flow visualization• Compare results with numerical programs and other studies2 DTU Wind Energy, Technical University of Denmark 7 February 2012
  3. 3. Wind Tunnel• Climatic wind tunnel – FORCE Technology and DTU – Rain, ice, snow [Picture: http://www.cesdyn.byg.dtu.dk/Research/Climatic_Wind_Tunnel.aspx]3 DTU Wind Energy, Technical University of Denmark 7 February 2012
  4. 4. Test set-up• NACA 64-618 airfoil section provided by LM Wind Power• 900 mm chord length and 1350 mm width4 DTU Wind Energy, Technical University of Denmark 7 February 2012
  5. 5. Test set-up• NACA 64-618 airfoil section, provided by LM Wind Power• 900 mm chord length and 1350 mm width• A pair of AMTI MC5 Force transducer is also included in the set up• Equipped with pressure taps5 DTU Wind Energy, Technical University of Denmark 7 February 2012
  6. 6. Test set-up - final In the workshop6 DTU Wind Energy, Technical University of Denmark 7 February 2012
  7. 7. Test set-up - final In the tunnel Down stream Up stream7 DTU Wind Energy, Technical University of Denmark 7 February 2012
  8. 8. Test set-up - final8 DTU Wind Energy, Technical University of Denmark 7 February 2012
  9. 9. Wind Tunnel Tests - Preparation• Due to unexpected circumstances – Some velocity tests – test the set up – Flow visualization – with oil based smoke generator and laser9 DTU Wind Energy, Technical University of Denmark 7 February 2012
  10. 10. Wind Tunnel Tests – Flow Visualization10 DTU Wind Energy, Technical University of Denmark 7 February 2012
  11. 11. Wind Tunnel Tests – Flow Visualization11 DTU Wind Energy, Technical University of Denmark 7 February 2012
  12. 12. Wind Tunnel Tests – Flow Visualization12 DTU Wind Energy, Technical University of Denmark 7 February 2012
  13. 13. Wind Tunnel Tests – Further Plans• Dry test: – Test of the set-up both aerodynamics and pressure distribution, flow visualization• Ice test: – Test of ice build up with different velocity and temperature – Changes of aerodynamics as a function of time and amount ice – Flow visualization13 DTU Wind Energy, Technical University of Denmark 7 February 2012
  14. 14. Thank you !Plans Contact: Adriana Hudecz, ahud@dtu.dk14 DTU Wind Energy, Technical University of Denmark 7 February 2012

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