ES2546485T3 - Palas de turbina eólica con elementos vorticiales aerodinámicos - Google Patents

Palas de turbina eólica con elementos vorticiales aerodinámicos Download PDF

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Publication number
ES2546485T3
ES2546485T3 ES11170657.8T ES11170657T ES2546485T3 ES 2546485 T3 ES2546485 T3 ES 2546485T3 ES 11170657 T ES11170657 T ES 11170657T ES 2546485 T3 ES2546485 T3 ES 2546485T3
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ES
Spain
Prior art keywords
face
vortex elements
wind turbine
pressure side
edge
Prior art date
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Active
Application number
ES11170657.8T
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English (en)
Inventor
Biao Fang
Stefan Herr
Xiaoyue Liu
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General Electric Co
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General Electric Co
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Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
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Publication of ES2546485T3 publication Critical patent/ES2546485T3/es
Active legal-status Critical Current
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/0608—Rotors characterised by their aerodynamic shape
    • F03D1/0633—Rotors characterised by their aerodynamic shape of the blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/065—Rotors characterised by their construction elements
    • F03D1/0675—Rotors characterised by their construction elements of the blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/10—Stators
    • F05B2240/12—Fluid guiding means, e.g. vanes
    • F05B2240/122—Vortex generators, turbulators, or the like, for mixing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05B2240/306—Surface measures
    • F05B2240/3062—Vortex generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05B2240/32—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor with roughened surface
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2250/00—Geometry
    • F05B2250/10—Geometry two-dimensional
    • F05B2250/19—Geometry two-dimensional machined; miscellaneous
    • F05B2250/192—Geometry two-dimensional machined; miscellaneous beveled
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2250/00—Geometry
    • F05B2250/70—Shape
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Wind Motors (AREA)

Abstract

Una pala (16) de turbina eólica, comprendiendo dicha pala: una superficie (20) del lado de succión y una superficie (22) del lado de presión; una pluralidad de elementos vorticiales (32) configurados en al menos una de dichas superficies del lado de succión o del lado de presión; y teniendo dichos elementos vorticiales una cara (40) al viento inclinada hacia arriba y una cara (44) de deslizamiento inclinada hacia abajo, encontrándose dicha cara al viento y dicha cara de deslizamiento en una arista de extremos generalmente abiertos (42) con forma de U que define unos cuernos laterales (46), reduciéndose la altura de dichos cuernos laterales desde una porción más adelantada de dicha arista orientada en la dirección del flujo de viento hasta dicha superficie del lado de succión o dicha superficie del lado de presión, y en la que dichos elementos vorticiales (32) tienen una forma de duna de arena creciente con una cara convexa (58) al viento y una cara cóncava (60) de deslizamiento, comprendiendo dicha arista (42) con forma de U una forma de arco curvado continuamente.

Description

imagen1
imagen2
imagen3

Claims (1)

  1. imagen1
ES11170657.8T 2010-06-23 2011-06-21 Palas de turbina eólica con elementos vorticiales aerodinámicos Active ES2546485T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US821725 1986-01-23
US12/821,725 US8047801B2 (en) 2010-06-23 2010-06-23 Wind turbine blades with aerodynamic vortex elements

Publications (1)

Publication Number Publication Date
ES2546485T3 true ES2546485T3 (es) 2015-09-24

Family

ID=44143150

Family Applications (1)

Application Number Title Priority Date Filing Date
ES11170657.8T Active ES2546485T3 (es) 2010-06-23 2011-06-21 Palas de turbina eólica con elementos vorticiales aerodinámicos

Country Status (5)

Country Link
US (1) US8047801B2 (es)
EP (1) EP2400148B1 (es)
CN (1) CN102297097B (es)
DK (1) DK2400148T3 (es)
ES (1) ES2546485T3 (es)

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Also Published As

Publication number Publication date
US20110142673A1 (en) 2011-06-16
EP2400148B1 (en) 2015-08-12
EP2400148A3 (en) 2012-04-18
DK2400148T3 (en) 2015-09-21
EP2400148A2 (en) 2011-12-28
CN102297097A (zh) 2011-12-28
US8047801B2 (en) 2011-11-01
CN102297097B (zh) 2015-09-23

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