DK2475874T3 - Vindmøllerotorvinge - Google Patents

Vindmøllerotorvinge Download PDF

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Publication number
DK2475874T3
DK2475874T3 DK10760948.9T DK10760948T DK2475874T3 DK 2475874 T3 DK2475874 T3 DK 2475874T3 DK 10760948 T DK10760948 T DK 10760948T DK 2475874 T3 DK2475874 T3 DK 2475874T3
Authority
DK
Denmark
Prior art keywords
panel
wind turbine
flap
turbine blade
blade
Prior art date
Application number
DK10760948.9T
Other languages
English (en)
Inventor
Wuh Ken Loh
Ying Ning
Original Assignee
Vestas Wind Sys As
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vestas Wind Sys As filed Critical Vestas Wind Sys As
Application granted granted Critical
Publication of DK2475874T3 publication Critical patent/DK2475874T3/da

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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
    • 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
    • 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
    • F03D1/0641—Rotors characterised by their aerodynamic shape of the blades of the section profile of the blades, i.e. aerofoil profile
    • 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
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/022—Adjusting aerodynamic properties of the blades
    • F03D7/0232—Adjusting aerodynamic properties of the blades with flaps or slats
    • 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
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/0244—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor for braking
    • 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
    • F05B2240/24—Rotors for turbines
    • 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
    • F05B2240/31—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor of changeable form or shape
    • 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
    • F05B2240/31—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor of changeable form or shape
    • F05B2240/311—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor of changeable form or shape flexible or elastic
    • 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)

Claims (16)

1
1. Vindmøllevinge der strækker sig i en spændvidderetning fra en rodende til en spidsende og som definerer et aerodynamisk bæreplanstværsnit mellem en forkant (12) og en bagkant (14) i en korderetning på tværs af 5 spændvidderetningen, idet vingen har en krumning i korderetningen og omfatter: en vingedel (16); en flap (18) der er bevægelig i forhold til vingedelen (14) til at variere krumningen af vingen; og kendetegnet ved: et deformerbart panel (20, 22) mellem vingedelen (14) og den bevægelige 10 flap (18), idet panelet har en bølgende profil omfattende en skiftende rækkefølge af bølgetoppe (32) og bølgedale (34), idet bølgetoppene og bølgedalene hver strækker sig i en første retning, hvor panelet er dannet af et materiale med anisotrop iboende stivhed idet den maksimale anisotrope iboende stivhed er på tværs af den første retning. 15
2. Vindmøllevinge ifølge krav 1, hvor den maksimale anisotrope iboende stivhed i det materiale som panelet (20, 22) er dannet af er i det væsentlige vinkelret på den første retning.
3. Vindmøllevinge ifølge krav 1, eller krav 2, hvor bølgetoppene (32) og bølgedalene (34) hver i det væsentlige strækker sig i spændvidderetningen og det materiale som panelet er dannet af har maksimal anisotrop iboende stivhed på tværs af spændvidderetningen.
4. Vindmøllevinge ifølge et hvilket som helst af de foregående krav, hvor det materiale som panelet (20, 22) er dannet af har maksimal anisotrop iboende stivhed i korderetningen.
5. Vindmøllevinge ifølge et hvilket som helst af de foregående krav, hvor flappen 30 (18) er en bagkantsflap.
6. Vindmøllevinge ifølge et hvilket som helst af de foregående krav, hvor panelet (20, 22) er dannet af fiberforstærket materiale hvor størstedelen af de forstærkende fibre i det væsentlige strækker sig på tværs af den første retning. 35
7. Vindmøllevinge ifølge krav 6, hvor bølgetoppene (32) og bølgedalene (34) hver i det væsentlige strækker sig i spændvidderetning og størstedelen af de forstærkende fibre strækker sig i det væsentlige ensrettet i korderetningen.
8. Vindmøllevinge ifølge et hvilket som helst af de foregående krav, hvor panelet (20, 22) er dannet af mindst et lag af forstærkende fibre, idet laget er anbragt således at størstedelen af lagets forstærkende fibre i det væsentlige strækker sig 2 på tværs af den første retning.
9. Vindmøllevinge ifølge krav 8, hvor bølgetoppene (32) og bølgedalene (34) hver i det væsentlige strækker sig i spændvidderetningen og størstedelen af lagets 5 forstærkende fibre strækker sig i det væsentlige parallelt med korderetningen.
10. Vindmøllevinge ifølge et hvilket som helst af de foregående krav, hvor panelet (20, 22) er bølgeformet.
11. Vindmøllevinge ifølge et hvilket som helst af de foregående krav, hvor det deformerbare panel (20, 22) forbinder flappen (18) med vingedelen (16).
12. Vindmøllevinge ifølge et hvilket som helst af de foregående krav, hvor det deformerbare (20, 22) panel har en kordelængde på 10 til 15 % af vingens 15 kordelængde.
13. Vindmøllevinge ifølge et hvilket som helst af de foregående krav, hvor en dug (36, 38) er anbragt over det deformerbare panel (20, 22) for at danne en i det væsentlige glat profil på en ydre overflade af vingen. 20
14. Vindmøllevinge ifølge krav 13, hvor duggen (36, 38) danner en forsegling over det deformerbare panel (20, 22).
15. Vindmøllevinge ifølge et hvilket som helst af de foregående krav, hvor en 25 flerhed af lignende flapper (18) er anbragt i vinges spændvidderetning, idet hver flap er koblet sammen med vingedelen (16) med et deformerbart panel (20, 22) ifølge et hvilket som helst af de foregående krav.
16. Vindmøllegenerator med en vinge ifølge et hvilket som helst af de foregående 30 krav.
DK10760948.9T 2009-09-09 2010-09-09 Vindmøllerotorvinge DK2475874T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0915777A GB2473448A (en) 2009-09-09 2009-09-09 Wind Turbine Rotor Blade With Undulating Flap Hinge Panel
PCT/EP2010/063258 WO2011029882A2 (en) 2009-09-09 2010-09-09 Wind turbine rotor blade

Publications (1)

Publication Number Publication Date
DK2475874T3 true DK2475874T3 (da) 2016-09-26

Family

ID=41203455

Family Applications (1)

Application Number Title Priority Date Filing Date
DK10760948.9T DK2475874T3 (da) 2009-09-09 2010-09-09 Vindmøllerotorvinge

Country Status (5)

Country Link
US (1) US9086054B2 (da)
EP (1) EP2475874B1 (da)
DK (1) DK2475874T3 (da)
GB (1) GB2473448A (da)
WO (1) WO2011029882A2 (da)

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Also Published As

Publication number Publication date
US9086054B2 (en) 2015-07-21
US20120169060A1 (en) 2012-07-05
WO2011029882A2 (en) 2011-03-17
WO2011029882A3 (en) 2011-11-03
EP2475874B1 (en) 2016-08-31
GB2473448A (en) 2011-03-16
GB0915777D0 (en) 2009-10-07
EP2475874A2 (en) 2012-07-18

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