Aeroelastically coupled blades for vertical axis wind turbines

Paquette, Joshua; Barone, Matthew F.

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Title: Aeroelastically coupled blades for vertical axis wind turbines

Abstract

Various technologies described herein pertain to a vertical axis wind turbine blade configured to rotate about a rotation axis. The vertical axis wind turbine blade includes at least an attachment segment, a rear swept segment, and optionally, a forward swept segment. The attachment segment is contiguous with the forward swept segment, and the forward swept segment is contiguous with the rear swept segment. The attachment segment includes a first portion of a centroid axis, the forward swept segment includes a second portion of the centroid axis, and the rear swept segment includes a third portion of the centroid axis. The second portion of the centroid axis is angularly displaced ahead of the first portion of the centroid axis and the third portion of the centroid axis is angularly displaced behind the first portion of the centroid axis in the direction of rotation about the rotation axis.

Inventors:: Paquette, Joshua; Barone, Matthew F.

Issue Date:: 2016-02-23

Research Org.:: Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1239811

Patent Number(s):: 9267490

Application Number:: 13/590,903

Assignee:: Sandia Corporation (Albuquerque, NM)

Patent Classifications (CPCs):: F - MECHANICAL ENGINEERING F03 - MACHINES OR ENGINES FOR LIQUIDS F03D - WIND MOTORS

F - MECHANICAL ENGINEERING F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04 F05B - INDEXING SCHEME RELATING TO MACHINES OR ENGINES OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, TO WIND MOTORS, TO NON-POSITIVE DISPLACEMENT PUMPS, AND TO GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY

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F - MECHANICAL ENGINEERING F03 - MACHINES OR ENGINES FOR LIQUIDS F03D - WIND MOTORS
F03D3/005 - {axis vertical}
F03D3/061 - {Form}

F - MECHANICAL ENGINEERING F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04 F05B - INDEXING SCHEME RELATING TO MACHINES OR ENGINES OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, TO WIND MOTORS, TO NON-POSITIVE DISPLACEMENT PUMPS, AND TO GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY
F05B2240/212 - of the Darrieus type
F05B2240/214 - of the Musgrove or "H"-type
F05B2240/311 - flexible or elastic

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
Y02E10/74 - Wind turbines with rotation axis perpendicular to the wind direction

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DOE Contract Number:: AC04-94AL85000

Resource Type:: Patent

Resource Relation:: Patent File Date: 2012 Aug 21

Country of Publication:: United States

Language:: English

Subject:: 17 WIND ENERGY; 42 ENGINEERING

Citation Formats


                    Paquette, Joshua, and Barone, Matthew F. Aeroelastically coupled blades for vertical axis wind turbines.  United States: N. p., 2016. 
        Web.

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                    Paquette, Joshua, & Barone, Matthew F. Aeroelastically coupled blades for vertical axis wind turbines.  United States.

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                    Paquette, Joshua, and Barone, Matthew F. Tue .  
        "Aeroelastically coupled blades for vertical axis wind turbines".  United States.  https://www.osti.gov/servlets/purl/1239811.

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@article{osti_1239811,

  title        = {Aeroelastically coupled blades for vertical axis wind turbines},

  author       = {Paquette, Joshua and Barone, Matthew F.},

  abstractNote = {Various technologies described herein pertain to a vertical axis wind turbine blade configured to rotate about a rotation axis. The vertical axis wind turbine blade includes at least an attachment segment, a rear swept segment, and optionally, a forward swept segment. The attachment segment is contiguous with the forward swept segment, and the forward swept segment is contiguous with the rear swept segment. The attachment segment includes a first portion of a centroid axis, the forward swept segment includes a second portion of the centroid axis, and the rear swept segment includes a third portion of the centroid axis. The second portion of the centroid axis is angularly displaced ahead of the first portion of the centroid axis and the third portion of the centroid axis is angularly displaced behind the first portion of the centroid axis in the direction of rotation about the rotation axis.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2016},

  month        = {2}

}

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Works referenced in this record:

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patent, April 1981

Dereng, Viggo G.
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