Investigation of wind turbine power generation during atmospheric icing by multi-disciplinary experimentation

Peter M. Blasco, Jose Palacios, Sven Schmitz

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

This paper presents an aerodynamic analysis of power loss of a representative 1.5 MW wind turbine for various icing conditions using a unique combination of two experimental methods for airfoil performance analysis. Atmospheric icing conditions varying in temperature, MVD, and LWC are generated in an icing facility to simulate a 45 minute icing event. The ice shapes are then molded for preservation and subsequent wind-tunnel testing. Lift and drag measurements are used to estimate the total power production of the iced wind turbine using a BEMT prediction code. A 16% loss of airfoil lift at operational AoA is observed for freezing fog conditions. Drag increases at ࢉ࢒ = 0.5 are observed to be 190% at temperatures near 0°C, 145% near -10° C, and 80% near -20°C. An analysis of the wind turbine aerodynamic loads due to atmospheric icing yields power losses ranging from 25% to 30%. An exception to these results exists for a single super large droplet (SLD) icing case in which lift decrease and drag increase are more severe. The analysis gives insight to potential control strategies for wind turbine operators attempting to minimize revenue loss in cold-climate operations.

Original languageEnglish (US)
Title of host publication33rd Wind Energy Symposium
PublisherAmerican Institute of Aeronautics and Astronautics Inc.
ISBN (Electronic)9781624103445
StatePublished - Jan 1 2015
Event33rd Wind Energy Symposium 2015 - Kissimmee, United States
Duration: Jan 5 2015Jan 9 2015

Publication series

Name33rd Wind Energy Symposium

Other

Other33rd Wind Energy Symposium 2015
CountryUnited States
CityKissimmee
Period1/5/151/9/15

Fingerprint

Wind turbines
Power generation
Drag
Airfoils
Aerodynamic loads
Fog
Freezing
Wind tunnels
Ice
Aerodynamics
Temperature
Testing

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Mechanical Engineering

Cite this

Blasco, P. M., Palacios, J., & Schmitz, S. (2015). Investigation of wind turbine power generation during atmospheric icing by multi-disciplinary experimentation. In 33rd Wind Energy Symposium (33rd Wind Energy Symposium). American Institute of Aeronautics and Astronautics Inc..
Blasco, Peter M. ; Palacios, Jose ; Schmitz, Sven. / Investigation of wind turbine power generation during atmospheric icing by multi-disciplinary experimentation. 33rd Wind Energy Symposium. American Institute of Aeronautics and Astronautics Inc., 2015. (33rd Wind Energy Symposium).
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Blasco, PM, Palacios, J & Schmitz, S 2015, Investigation of wind turbine power generation during atmospheric icing by multi-disciplinary experimentation. in 33rd Wind Energy Symposium. 33rd Wind Energy Symposium, American Institute of Aeronautics and Astronautics Inc., 33rd Wind Energy Symposium 2015, Kissimmee, United States, 1/5/15.

Investigation of wind turbine power generation during atmospheric icing by multi-disciplinary experimentation. / Blasco, Peter M.; Palacios, Jose; Schmitz, Sven.

33rd Wind Energy Symposium. American Institute of Aeronautics and Astronautics Inc., 2015. (33rd Wind Energy Symposium).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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N2 - This paper presents an aerodynamic analysis of power loss of a representative 1.5 MW wind turbine for various icing conditions using a unique combination of two experimental methods for airfoil performance analysis. Atmospheric icing conditions varying in temperature, MVD, and LWC are generated in an icing facility to simulate a 45 minute icing event. The ice shapes are then molded for preservation and subsequent wind-tunnel testing. Lift and drag measurements are used to estimate the total power production of the iced wind turbine using a BEMT prediction code. A 16% loss of airfoil lift at operational AoA is observed for freezing fog conditions. Drag increases at ࢉ࢒ = 0.5 are observed to be 190% at temperatures near 0°C, 145% near -10° C, and 80% near -20°C. An analysis of the wind turbine aerodynamic loads due to atmospheric icing yields power losses ranging from 25% to 30%. An exception to these results exists for a single super large droplet (SLD) icing case in which lift decrease and drag increase are more severe. The analysis gives insight to potential control strategies for wind turbine operators attempting to minimize revenue loss in cold-climate operations.

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Blasco PM, Palacios J, Schmitz S. Investigation of wind turbine power generation during atmospheric icing by multi-disciplinary experimentation. In 33rd Wind Energy Symposium. American Institute of Aeronautics and Astronautics Inc. 2015. (33rd Wind Energy Symposium).