IN2014CN04448A - - Google Patents

Info

Publication number
IN2014CN04448A
IN2014CN04448A IN4448CHN2014A IN2014CN04448A IN 2014CN04448 A IN2014CN04448 A IN 2014CN04448A IN 4448CHN2014 A IN4448CHN2014 A IN 4448CHN2014A IN 2014CN04448 A IN2014CN04448 A IN 2014CN04448A
Authority
IN
India
Prior art keywords
serrations
blade
serration
noise reduction
pressure
Prior art date
Application number
Other languages
English (en)
Inventor
Ashish Singh
Original Assignee
Lm Wp Patent Holding 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 Lm Wp Patent Holding As filed Critical Lm Wp Patent Holding As
Publication of IN2014CN04448A publication Critical patent/IN2014CN04448A/en

Links

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
    • 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
    • F05B2250/18—Geometry two-dimensional patterned
    • F05B2250/183—Geometry two-dimensional patterned zigzag
    • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Wind Motors (AREA)
IN4448CHN2014 2011-11-23 2012-11-15 IN2014CN04448A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP11190375 2011-11-23
PCT/EP2012/072769 WO2013076009A1 (en) 2011-11-23 2012-11-15 A wind turbine blade

Publications (1)

Publication Number Publication Date
IN2014CN04448A true IN2014CN04448A (zh) 2015-09-04

Family

ID=47178723

Family Applications (1)

Application Number Title Priority Date Filing Date
IN4448CHN2014 IN2014CN04448A (zh) 2011-11-23 2012-11-15

Country Status (8)

Country Link
US (1) US9617974B2 (zh)
EP (1) EP2783103B1 (zh)
CN (1) CN104220745B (zh)
DK (1) DK2783103T3 (zh)
ES (1) ES2621483T3 (zh)
IN (1) IN2014CN04448A (zh)
PL (1) PL2783103T3 (zh)
WO (1) WO2013076009A1 (zh)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2497739A (en) * 2011-12-19 2013-06-26 Rolls Royce Plc Rotor blade with serrated trailing edge
US20150050154A1 (en) * 2013-05-23 2015-02-19 Kristian R. DIXON Airfoil trailing edge apparatus for noise reduction
WO2014207015A1 (en) * 2013-06-27 2014-12-31 Siemens Aktiengesellschaft Rotor blade with noise reduction means
DK2908001T3 (da) * 2014-02-12 2017-01-02 Siemens Ag Midler til dæmpning af belastning på en vindmøllerotorvinge
GB201410675D0 (en) 2014-06-16 2014-07-30 Univ Brunel Noise reduction to the trailing edge of fluid dynamic bodies
DK2998571T3 (en) * 2014-09-19 2017-12-18 Siemens Ag Buoyancy actuator for a rotor blade of a wind turbine
ES2787608T3 (es) * 2015-05-29 2020-10-16 Siemens Gamesa Renewable Energy As Aleta de reducción de ruido con abertura
EP3181895A1 (en) * 2015-12-17 2017-06-21 LM WP Patent Holding A/S Splitter plate arrangement for a serrated wind turbine blade
DE102016201114A1 (de) * 2016-01-26 2017-07-27 Wobben Properties Gmbh Rotorblatt einer Windenergieanlage und Windenergieanlage
ES2715511T3 (es) * 2016-02-12 2019-06-04 Lm Wp Patent Holding As Panel de borde de salida dentado para una pala de turbina eólica
US10400744B2 (en) 2016-04-28 2019-09-03 General Electric Company Wind turbine blade with noise reducing micro boundary layer energizers
CN106050553A (zh) * 2016-08-01 2016-10-26 中国华电科工集团有限公司 一种大厚度钝尾缘翼型的降噪装置
CN106168193B (zh) * 2016-08-26 2018-12-21 明阳智慧能源集团股份公司 一种风力发电机叶片的降噪结构
US10858088B2 (en) * 2016-08-31 2020-12-08 David E. Shormann Biomimetic airfoil bodies and methods of designing and making same
ES2951066T3 (es) * 2017-01-12 2023-10-17 Lm Wind Power As Una pala de turbina eólica que comprende un dispositivo de reducción de ruido en el borde de salida
DE102017117843A1 (de) * 2017-08-07 2019-02-07 Wobben Properties Gmbh Rotorblatt eines Rotors einer Windenergieanlage, Windenergieanlage und Verfahren zur Verbesserung des Wirkungsgrades eines Rotors einer Windenergieanlage
CN108194258B (zh) * 2017-12-27 2020-01-31 江苏金风科技有限公司 用于叶片的降噪装置、叶片、风力发电机组和降噪方法
US10767623B2 (en) 2018-04-13 2020-09-08 General Electric Company Serrated noise reducer for a wind turbine rotor blade
US10746157B2 (en) 2018-08-31 2020-08-18 General Electric Company Noise reducer for a wind turbine rotor blade having a cambered serration
CN109292076A (zh) * 2018-11-15 2019-02-01 哈尔滨工业大学 一种具有多波长锯齿尾缘的低自噪声翼型结构
CN111379662A (zh) * 2018-12-29 2020-07-07 中材科技风电叶片股份有限公司 风电叶片及风机
CN110529345A (zh) * 2019-08-30 2019-12-03 射阳远景能源科技有限公司 一种镂空型锯齿降噪装置
NL2025831B1 (en) 2020-06-15 2022-02-16 Univ Delft Tech Wind turbine blade
WO2022002334A1 (en) * 2020-06-29 2022-01-06 Vestas Wind Systems A/S A wind turbine
EP3945208B1 (de) * 2020-07-27 2024-05-15 Wobben Properties GmbH Rotorblatt für eine windenergieanlage und zugehörige windenergieanlage
CN112128050B (zh) * 2020-10-29 2022-02-11 上海电气风电集团股份有限公司 降噪结构、叶片及风力发电机组
CN114738319B (zh) * 2022-04-20 2023-11-14 浙江尚扬通风设备有限公司 低噪声轴流风机及其使用方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB329783A (en) * 1929-04-17 1930-05-29 Louis Henry Crook Improvements in or relating to aerodynamic wing control
US5088665A (en) * 1989-10-31 1992-02-18 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Serrated trailing edges for improving lift and drag characteristics of lifting surfaces
DE602006013684D1 (de) * 2005-11-15 2010-05-27 Airbus Operations Gmbh Bremsklappe für ein flugzeug
US7740206B2 (en) 2006-04-13 2010-06-22 The Board Of Trustees Of The Leland Stanford Junior University Translating active Gurney flap to alleviate aircraft wake vortex hazard
US7959412B2 (en) * 2006-09-29 2011-06-14 General Electric Company Wind turbine rotor blade with acoustic lining
GB2466478A (en) 2008-12-02 2010-06-30 Aerovortex Mills Ltd Suction generation device
US20100143151A1 (en) 2009-02-06 2010-06-10 General Electric Company Permeable acoustic flap for wind turbine blades
US8083488B2 (en) * 2010-08-23 2011-12-27 General Electric Company Blade extension for rotor blade in wind turbine
US7976276B2 (en) * 2010-11-04 2011-07-12 General Electric Company Noise reducer for rotor blade in wind turbine
US8523515B2 (en) 2010-11-15 2013-09-03 General Electric Company Noise reducer for rotor blade in wind turbine
US8128364B2 (en) * 2010-12-07 2012-03-06 General Electric Company Wind turbine rotor blade with porous window and controllable cover member
GB2497739A (en) * 2011-12-19 2013-06-26 Rolls Royce Plc Rotor blade with serrated trailing edge

Also Published As

Publication number Publication date
US9617974B2 (en) 2017-04-11
CN104220745B (zh) 2017-05-10
US20140286784A1 (en) 2014-09-25
EP2783103B1 (en) 2017-01-04
EP2783103A1 (en) 2014-10-01
WO2013076009A1 (en) 2013-05-30
PL2783103T3 (pl) 2017-06-30
ES2621483T3 (es) 2017-07-04
CN104220745A (zh) 2014-12-17
DK2783103T3 (en) 2017-04-10

Similar Documents

Publication Publication Date Title
IN2014CN04448A (zh)
DK201170711A (en) Noise reducer for rotor blade in wind turbine
WO2014021981A3 (en) Vortex generators for improved film effectiveness
NZ708224A (en) Wind power plant
DK201270120A (en) Lift device for rotor blade in wind turbine
EP2514922A3 (en) Compressor with blade tip geometry for reducing tip stresses
WO2012146252A3 (en) Improved wind turbine noise control methods
IN2012DE00573A (zh)
PL2712399T3 (pl) Łopata turbiny wiatrowej z urządzeniami redukującymi hałas oraz powiązany sposób
MX346724B (es) Caja posterior, paleta de rotor con caja posterior e instalación de energía eólica con una paleta de rotor de este tipo.
MY167666A (en) Systems and methods for improved water rotors
IL231693A0 (en) Wind turbine blade and method for assembling the blade
GB2490425B (en) Interlocking blade sheath
DK201170381A (en) Wind turbine rotor blade with a suction side winglet
MX2013009768A (es) Paleta rotorica no ensanchada.
EP3722593A3 (en) Twisted blade root
WO2014011242A3 (en) Hybrid airfoil for a gas turbine engine
EP2716906A3 (en) Noise reduction tab and method for wind turbine rotor blade
AU2011318238A8 (en) Turbine rotor assembly
MX2014002356A (es) Metodo para operar una turbina eolica.
PL2405129T3 (pl) Łopata turbiny wiatrowej o zmiennej krawędzi spływu
WO2013049143A3 (en) Blade tip to shroud clearance for shrouded fluid turbines
MX2013007134A (es) Bloque de banda de rodamiento con caracteristicas para desgaste termico mejorado.
IN2011DE00633A (zh)
WO2012103891A3 (en) A wind turbine blade having a flap