WO1999027252B1 - Airfoils for wind turbine - Google Patents
Airfoils for wind turbineInfo
- Publication number
- WO1999027252B1 WO1999027252B1 PCT/US1998/024952 US9824952W WO9927252B1 WO 1999027252 B1 WO1999027252 B1 WO 1999027252B1 US 9824952 W US9824952 W US 9824952W WO 9927252 B1 WO9927252 B1 WO 9927252B1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- airfoil
- percent
- values
- range
- horizontal axis
- Prior art date
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
- F03D1/0608—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
- 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
- F05B2240/301—Cross-section characteristics
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S416/00—Fluid reaction surfaces, i.e. impellers
- Y10S416/02—Formulas of curves
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S416/00—Fluid reaction surfaces, i.e. impellers
- Y10S416/05—Variable camber or chord length
Abstract
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU15337/99A AU1533799A (en) | 1997-11-20 | 1998-11-20 | Airfoils for wind turbine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/975,478 | 1997-11-20 | ||
US08/975,478 US6068446A (en) | 1997-11-20 | 1997-11-20 | Airfoils for wind turbine |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1999027252A1 WO1999027252A1 (en) | 1999-06-03 |
WO1999027252B1 true WO1999027252B1 (en) | 1999-08-05 |
Family
ID=25523070
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1998/024952 WO1999027252A1 (en) | 1997-11-20 | 1998-11-20 | Airfoils for wind turbine |
Country Status (3)
Country | Link |
---|---|
US (1) | US6068446A (en) |
AU (1) | AU1533799A (en) |
WO (1) | WO1999027252A1 (en) |
Families Citing this family (52)
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US6899524B1 (en) * | 1999-02-08 | 2005-05-31 | Midwest Research Institute | Cooling-tower fan airfoils |
US6705838B1 (en) | 1999-08-25 | 2004-03-16 | Forskningscenter Riso | Modified wind turbine airfoil |
US6503058B1 (en) * | 2000-05-01 | 2003-01-07 | Zond Energy Systems, Inc. | Air foil configuration for wind turbine |
US6382921B1 (en) * | 2001-01-30 | 2002-05-07 | Seimens Vdo Automotive, Inc. | Low reynolds number, low drag, high lift airfoil |
US6607164B2 (en) | 2001-10-22 | 2003-08-19 | Toyota Motor Sales, U.S.A., Inc. | Wing airfoil |
DE10307682A1 (en) * | 2002-06-05 | 2004-01-08 | Aloys Wobben | Rotor blade of a wind turbine |
CA2488151C (en) * | 2002-06-05 | 2009-04-28 | Aloys Wobben | Rotor blade for a wind power plant |
JP3451085B1 (en) * | 2002-09-20 | 2003-09-29 | 常夫 野口 | Windmill for wind power generation |
FR2845427B1 (en) * | 2002-10-02 | 2005-05-06 | Alstom Switzerland Ltd | FRANCIS TYPE WHEEL AND HYDRAULIC TURBINE EQUIPPED WITH SUCH A WHEEL |
NZ540818A (en) * | 2003-01-02 | 2010-11-26 | Aloys Wobben | Rotor blade for a wind power plant wherein the rotor tip curves to reduce noise |
DE10319246A1 (en) * | 2003-04-28 | 2004-12-16 | Aloys Wobben | Rotor blade of a wind turbine |
US6840741B1 (en) * | 2003-10-14 | 2005-01-11 | Sikorsky Aircraft Corporation | Leading edge slat airfoil for multi-element rotor blade airfoils |
DE102004007487A1 (en) * | 2004-02-13 | 2005-09-01 | Aloys Wobben | Rotor blade of a wind turbine |
US7217091B2 (en) * | 2004-07-20 | 2007-05-15 | General Electric Company | Methods and apparatus for deicing airfoils or rotor blades |
US7121804B1 (en) | 2004-07-27 | 2006-10-17 | Glenn James Baker | Fan system |
EP1828597B1 (en) * | 2004-11-18 | 2015-07-15 | Wind Power Limited | Vertical axis turbine apparatus |
CN101194102B (en) * | 2005-02-22 | 2012-04-25 | 维斯塔斯风力系统有限公司 | Wind turbine blade |
US7582977B1 (en) * | 2005-02-25 | 2009-09-01 | Clipper Windpower Technology, Inc. | Extendable rotor blades for power generating wind and ocean current turbines within a module mounted atop a main blade |
CN102287328A (en) * | 2005-05-13 | 2011-12-21 | 加利福尼亚大学董事会 | Vertical axis wind turbines |
GB0510417D0 (en) * | 2005-05-21 | 2005-06-29 | Rotech Holdings Ltd | Improved turbine |
CN100443720C (en) * | 2005-11-09 | 2008-12-17 | 沈阳航空工业学院 | Heavy-camber wind mill airfoil |
US7993103B2 (en) * | 2006-01-05 | 2011-08-09 | General Electric Company | Wind turbine blades and methods of attaching such blades to a hub |
BRPI0709855A2 (en) | 2006-04-02 | 2011-07-26 | Gustave Paul Corten | wind turbine, and method by which a first blade of an existing turbine is removed and replaced by another blade |
CN101529090B (en) * | 2006-06-02 | 2011-08-31 | 生态技术株式会社 | Blades for wind wheel, wind wheel, and wind-driven electric power generator |
US7883324B2 (en) * | 2007-01-09 | 2011-02-08 | General Electric Company | Wind turbine airfoil family |
US8226368B2 (en) * | 2007-01-09 | 2012-07-24 | General Electric Company | Wind turbine airfoil family |
JP3996945B1 (en) * | 2007-02-20 | 2007-10-24 | 常夫 野口 | Vertical axis windmill |
US8197218B2 (en) | 2007-11-08 | 2012-06-12 | Alliance For Sustainable Energy, Llc | Quiet airfoils for small and large wind turbines |
US7953563B2 (en) * | 2008-10-12 | 2011-05-31 | Los Alamos National Security, Llc | Determining effects of turbine blades on fluid motion |
US8753091B1 (en) | 2009-05-20 | 2014-06-17 | A&P Technology, Inc. | Composite wind turbine blade and method for manufacturing same |
US8241000B2 (en) * | 2009-06-16 | 2012-08-14 | Heartland Energy Solutions, LLC. | Wind turbine rotor blade and airfoil section |
KR101051549B1 (en) | 2009-07-30 | 2011-07-22 | 주식회사 효성 | Tip airfoil on blade for 2 megawatt wind generator |
KR101051575B1 (en) | 2009-07-30 | 2011-07-22 | 주식회사 효성 | Tip airfoil on blade for 2 megawatt wind generator |
US20110052400A1 (en) * | 2009-08-31 | 2011-03-03 | Sarbuland Khan | Horizontal axis wind turbine (HAWT) |
US9593665B2 (en) * | 2009-10-02 | 2017-03-14 | Jose Ramon Santana | Hydro-kinetic transport wheel |
US20110080002A1 (en) * | 2009-10-02 | 2011-04-07 | Jose Ramon Santana | Controlled momentum hydro-electric system |
US20120134823A1 (en) * | 2009-12-07 | 2012-05-31 | Tully Daniel F | Wind Turbine |
US8303250B2 (en) * | 2009-12-30 | 2012-11-06 | General Electric Company | Method and apparatus for increasing lift on wind turbine blade |
ES2513396T3 (en) * | 2010-03-18 | 2014-10-27 | Nordex Energy Gmbh | Rotor blade of wind power plant |
KR101299049B1 (en) * | 2011-12-21 | 2013-08-21 | 한국항공우주연구원 | Airfoil of blade for wind turbine |
KR101298721B1 (en) * | 2011-12-21 | 2013-08-21 | 한국항공우주연구원 | Airfoil of blade for wind turbine |
KR101377287B1 (en) | 2012-02-24 | 2014-03-25 | 전북대학교산학협력단 | Airfoil structure of wind power generator |
KR101216308B1 (en) * | 2012-04-13 | 2012-12-28 | 군산대학교산학협력단 | Aerogenerator blade of root airfoil |
KR101216252B1 (en) | 2012-04-13 | 2012-12-28 | 군산대학교산학협력단 | Aerogenerator blade of tip airfoil |
US10677217B2 (en) * | 2012-10-03 | 2020-06-09 | General Electric Company | Wind turbine and method of operating the same |
US20140105721A1 (en) * | 2012-10-17 | 2014-04-17 | Dan Koko | Optimized mass flow through a multi staged duct system guide vane of a wind turbine |
US9809260B2 (en) * | 2013-03-06 | 2017-11-07 | Paccar Inc. | Segmented trailer side skirt fairing |
DE102017124861A1 (en) | 2017-10-24 | 2019-04-25 | Wobben Properties Gmbh | Rotor blade of a wind turbine and method for its design |
CN108386313B (en) * | 2018-02-05 | 2019-09-24 | 西北工业大学 | A kind of design method of wind energy conversion system blunt trailing edge ellipse aerofoil profile |
GB2600584B (en) | 2019-07-23 | 2024-03-06 | Coflow Jet Llc | Fluid systems and methods that address flow separation |
WO2022204278A1 (en) * | 2021-03-26 | 2022-09-29 | Coflow Jet, LLC | Wind turbine blades and wind turbine systems that include a co-flow jet |
CN113931807B (en) * | 2021-08-25 | 2023-04-21 | 华北电力大学 | Wind power blade operation attack angle measurement method |
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US3173490A (en) * | 1962-07-25 | 1965-03-16 | Hiller Aircraft Company Inc | Propeller blade for vtol aircraft |
US4459083A (en) * | 1979-03-06 | 1984-07-10 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Shapes for rotating airfoils |
US4408958A (en) * | 1980-12-23 | 1983-10-11 | The Bendix Corporation | Wind turbine blade |
DE3113079C2 (en) * | 1981-04-01 | 1985-11-21 | Messerschmitt-Bölkow-Blohm GmbH, 8000 München | Large aerodynamic wing and process for its manufacture |
CA1243993A (en) * | 1983-07-04 | 1988-11-01 | Westland Plc | Helicopter rotor blade |
DE3482317D1 (en) * | 1983-08-17 | 1990-06-28 | Oscar Asboth | PROPELLER. |
US4619423A (en) * | 1983-11-10 | 1986-10-28 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Geometries for roughness shapes in laminar flow |
SE442659B (en) * | 1984-01-13 | 1986-01-20 | Stubinen Utvecklings Ab | WIND rotor element |
US4606519A (en) * | 1984-08-06 | 1986-08-19 | Fertis Demeter G | Airfoil |
US4830315A (en) * | 1986-04-30 | 1989-05-16 | United Technologies Corporation | Airfoil-shaped body |
US4844698A (en) * | 1986-06-17 | 1989-07-04 | Imc Magnetics Corp. | Propeller blade |
US4830574A (en) * | 1988-02-29 | 1989-05-16 | United Technologies Corporation | Airfoiled blade |
US4976587A (en) * | 1988-07-20 | 1990-12-11 | Dwr Wind Technologies Inc. | Composite wind turbine rotor blade and method for making same |
US4941803A (en) * | 1989-02-01 | 1990-07-17 | United Technologies Corporation | Airfoiled blade |
US5114099A (en) * | 1990-06-04 | 1992-05-19 | W. L. Chow | Surface for low drag in turbulent flow |
US5161952A (en) * | 1990-09-24 | 1992-11-10 | Rann, Inc. | Dual-plane blade construction for horizontal axis wind turbine rotors |
US5417548A (en) * | 1994-01-14 | 1995-05-23 | Midwest Research Institute | Root region airfoil for wind turbine |
US5562420A (en) * | 1994-03-14 | 1996-10-08 | Midwest Research Institute | Airfoils for wind turbine |
-
1997
- 1997-11-20 US US08/975,478 patent/US6068446A/en not_active Expired - Lifetime
-
1998
- 1998-11-20 AU AU15337/99A patent/AU1533799A/en not_active Abandoned
- 1998-11-20 WO PCT/US1998/024952 patent/WO1999027252A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO1999027252A1 (en) | 1999-06-03 |
AU1533799A (en) | 1999-06-15 |
US6068446A (en) | 2000-05-30 |
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