DK3027894T3 - Rotorvinge til en vindmølle og vindmøllefelt - Google Patents

Rotorvinge til en vindmølle og vindmøllefelt Download PDF

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Publication number
DK3027894T3
DK3027894T3 DK14753325.1T DK14753325T DK3027894T3 DK 3027894 T3 DK3027894 T3 DK 3027894T3 DK 14753325 T DK14753325 T DK 14753325T DK 3027894 T3 DK3027894 T3 DK 3027894T3
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DK
Denmark
Prior art keywords
vortex
wind turbine
trailing edge
tip
destabilizer
Prior art date
Application number
DK14753325.1T
Other languages
English (en)
Inventor
Garrel Arne Van
Edwin Theodorus Gerardus Bot
Original Assignee
Stichting Energieonderzoek Centrum Nederland
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
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Application granted granted Critical
Publication of DK3027894T3 publication Critical patent/DK3027894T3/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
    • F03D1/065—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
    • 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
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • F03D9/255—Wind motors characterised by the driven apparatus the apparatus being an electrical generator connected to electrical distribution networks; Arrangements therefor
    • F03D9/257—Wind motors characterised by the driven apparatus the apparatus being an electrical generator connected to electrical distribution networks; Arrangements therefor the wind motor being part of a wind farm
    • 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
    • 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
    • F05B2240/307—Blade tip, e.g. winglets
    • 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
    • F05B2250/18—Geometry two-dimensional patterned
    • F05B2250/182—Geometry two-dimensional patterned crenellated, notched
    • 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
    • F05B2250/60—Structure; Surface texture
    • F05B2250/61—Structure; Surface texture corrugated
    • F05B2250/611—Structure; Surface texture corrugated undulated
    • 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
    • F05B2260/00—Function
    • F05B2260/96—Preventing, counteracting or reducing vibration or noise
    • 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)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Wind Motors (AREA)

Claims (14)

1. Vindmøllefelt omfattende en flerhed af vindmøller, der er anbragt i et forudbestemt net, hvor kun mindst én vindmølle på en grænse af det forudbestemte net er forsynet med mindst én rotorvinge (1), hvilken rotorvinge (1) omfatter en hovedvingedel (4) med en vingespids (8), hvilken vingespids (8) resulterer i en vingespidsvortex nedstrøms for rotorvingen (1) under drift, hvor vingespidsen (8) omfatter en vortexdestabilisator (7), hvilken vortexde-stabilisator (7) er konfigureret til at destabilisere vingespidsvortexen under drift af rotorvingen (1), og hvilken vortexdestabilisator (7) er tilvejebragt langs en samlet spændvis længde (L2) på højst 10% af en samlet spændvis længde (L1) af hovedvingedelen (4).
2. Vindmøllefelt ifølge krav 1, hvor vortexdestabilisatoren er tilvejebragt langs en samlet spændvis længde (L2) på højst 5 % af en samlet spændvis længde (L1) af hovedvingedelen (4).
3. Vindmøllefelt ifølge krav 1 eller 2, hvor vortexdestabilisatoren (7) har en periodicitet langs bagkanten (10) med en periodisk bredde (w) mellem 40 % og 300 % afen tilknyttet lokal kordelængde (Lc) af vingespidsen (8).
4. Vindmøllefelt ifølge krav 3, hvor den periodiske bredde (w) er mellem 50 % og 200 %, f.eks. mellem 80 % og 160 %, f.eks. lig med ca. 100 %, af en tilknyttet lokal kordelængde (Lc) af vingespidsen (8).
5. Vindmøllefelt ifølge et hvilket som helst af kravene 1-4, hvor vortexdestabilisatoren (7) omfatter et eller flere overflademodificeringselementer (11; 16; 18) langs en bagkant (10) af vingespidsen (8).
6. Vindmøllefelt ifølge krav 5, hvor vortexdestabilisatoren (7) omfatter et eller flere nedadgående afbøjningselementer (11b; 16b; 18b).
7. Vindmøllefelt ifølge krav 5 eller 6, hvor vortexdestabilisatoren (7) omfatter et eller flere opadgående afbøjningselementer (11a; 16a; 18a).
8. Vindmøllefelt ifølge et hvilket som helst af kravene 5-7, hvor vortexdestabi-lisatoren (7) er indrettet til at danne en sekundær bagkant (17) for vingespidsen (8), hvor den sekundære bagkant (17) er en lige bagkant.
9. Vindmøllefelt ifølge et hvilket som helst af kravene 1-8, hvor vortexdestabi-lisatoren (7) har en forlængelseslængde (/) på mellem 1 % til 25 % af en tilknyttet lokal kordelængde (Le) af vingespidsen (8).
10. Vindmøllefelt ifølge et hvilket som helst af kravene 1-9, hvor vortexdesta-bilisatoren (7) omfatter et eller flere af: et element, der tilvejebringer en lokal kordevariation af rotorvingeprofilen; et element, der tilvejebringer en lokal airfoil-variation af rotorvingen; et element, der tilvejebringer en lokal twist-variation af rotorvingeprofilen; et lokalt kordeforlængelseselement; en lige flap; en krum flap; en bagkant-deflektor; en Guerney-flap.
11. Vindmøllefelt ifølge et hvilket som helst af kravene 1-10, hvor vingespidsen (8) omfatter en winglet eller tip vane, og vortexdestabilisatoren (7) er tilvejebragt mindst delvist på winglet'en eller tip vane'en.
12. Vindmøllefelt ifølge et hvilket som helst af kravene 1-11, hvor vortexdestabilisatoren (7) omfatter et eller flere separate elementer, der kan fastgøres til vingespidsen (8) af rotorvingen (1).
13. Vindmøllefelt ifølge et hvilket som helst af kravene 1-12, hvor alle vindmøllerne på grænsen af det forudbestemte net er forsynet med mindst én rotorvinge (1).
14. Vindmøllefelt ifølge et hvilket som helst af kravene 1-12, hvor vindmøllerne på en del af grænsen af det forudbestemte net, som vender mod de lokale fremherskende vinde, er forsynet med mindst én rotorvinge (1).
DK14753325.1T 2013-07-30 2014-07-24 Rotorvinge til en vindmølle og vindmøllefelt DK3027894T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL2011236A NL2011236C2 (en) 2013-07-30 2013-07-30 Rotor blade for a wind turbine, and wind turbine field.
PCT/NL2014/050505 WO2015016704A1 (en) 2013-07-30 2014-07-24 Rotor blade for a wind turbine, and wind turbine field

Publications (1)

Publication Number Publication Date
DK3027894T3 true DK3027894T3 (da) 2017-10-23

Family

ID=49261717

Family Applications (1)

Application Number Title Priority Date Filing Date
DK14753325.1T DK3027894T3 (da) 2013-07-30 2014-07-24 Rotorvinge til en vindmølle og vindmøllefelt

Country Status (8)

Country Link
US (1) US10227963B2 (da)
EP (1) EP3027894B1 (da)
CN (1) CN105518292B (da)
DK (1) DK3027894T3 (da)
ES (1) ES2647117T3 (da)
NL (1) NL2011236C2 (da)
PL (1) PL3027894T3 (da)
WO (1) WO2015016704A1 (da)

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DK177907B1 (en) * 2013-11-21 2014-12-15 Envision Energy Denmark Aps Wind turbine blade with wave shaped trailing edge
ITBZ20140002U1 (it) * 2014-03-13 2015-09-13 Frassinelli Ernesto Pala eolica a profilo adattivo in grado di modificare la propria struttura in base alla pressione aerodinamica che la investe, alle caratteristiche climatiche e meteorologiche del sito di installazione e, componendo con uno o piu' elementi un singolo rotore, dotare un generatore micro-eolico con asse di rotazione paralleo al flusso aerodinamico.
DE102014213930A1 (de) * 2014-07-17 2016-01-21 Wobben Properties Gmbh Rotorblattspitzenhinterkante
DE102014213929A1 (de) 2014-07-17 2016-01-21 Wobben Properties Gmbh Rotorblatthinterkante
KR102344406B1 (ko) 2015-04-08 2021-12-27 호르톤 인코포레이티드 팬 블레이드 표면 피처들
PL3096003T3 (pl) * 2015-05-21 2021-10-04 Siemens Gamesa Renewable Energy A/S Łopata wirnika z ząbkowaniami dla turbiny wiatrowej
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Also Published As

Publication number Publication date
PL3027894T3 (pl) 2018-02-28
ES2647117T3 (es) 2017-12-19
EP3027894B1 (en) 2017-08-30
US20160177919A1 (en) 2016-06-23
EP3027894A1 (en) 2016-06-08
NL2011236C2 (en) 2015-02-02
US10227963B2 (en) 2019-03-12
CN105518292A (zh) 2016-04-20
CN105518292B (zh) 2018-12-14
WO2015016704A1 (en) 2015-02-05

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