JP6732436B2 - 受雷部への雷の誘導 - Google Patents
受雷部への雷の誘導 Download PDFInfo
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- JP6732436B2 JP6732436B2 JP2015222696A JP2015222696A JP6732436B2 JP 6732436 B2 JP6732436 B2 JP 6732436B2 JP 2015222696 A JP2015222696 A JP 2015222696A JP 2015222696 A JP2015222696 A JP 2015222696A JP 6732436 B2 JP6732436 B2 JP 6732436B2
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- rotor blade
- vortex generator
- rotation
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- 230000006698 induction Effects 0.000 title 1
- 238000000034 method Methods 0.000 claims description 13
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
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- 229910052782 aluminium Inorganic materials 0.000 description 1
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- 239000010951 brass Substances 0.000 description 1
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- 229910052802 copper Inorganic materials 0.000 description 1
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Images
Classifications
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- 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
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/30—Lightning protection
-
- 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
- F05B2240/10—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
- F05B2240/21—Rotors for wind turbines
- F05B2240/221—Rotors for wind turbines with horizontal axis
-
- 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
- F05B2260/00—Function
- F05B2260/96—Preventing, counteracting or reducing vibration or noise
-
- 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
- F05B2280/00—Materials; Properties thereof
- F05B2280/10—Inorganic materials, e.g. metals
- F05B2280/107—Alloys
- F05B2280/1071—Steel alloys
-
- 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
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- 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)
- Elimination Of Static Electricity (AREA)
Description
・ロータブレードの表面に配置された渦発生体によって空気流の渦を生成するステップ。
・前記渦によって雷を引きつけるステップ。
・前記雷を前記受雷部へ誘導するステップ。
Claims (13)
- 風力タービン(10)用のロータブレード(20)の受雷部(41)へ雷を誘導する方法であって、
前記ロータブレード(20)の表面に配置された渦発生体(31)によって空気流の渦(32)を生成するステップであって、該渦(32)は第1の回転方向(34)を有する、ステップと、
前記ロータブレード(20)の先端部分(22)の形状によって先端渦(51)を生成するステップであって、該先端渦(51)は第2の回転方向(52)を有し、前記第1の回転方向(34)と前記第2の回転方向(52)とは実質的に等しい、ステップと、
前記ロータブレード(20)の回転によってマージされた渦を生成するステップであって、前記マージされた渦は、前記第1の回転方向(34)を有する前記渦(32)と前記第2の回転方向(52)を有する前記先端渦(51)がマージされて形成され、
前記マージされた渦によって雷を引きつけるステップと、
前記雷を前記マージされた渦によって前記受雷部(41)へ誘導するステップと、
を有することを特徴とする方法。 - 前記渦発生体(31)は、前記ロータブレード(20)に後付けされている、請求項1記載の方法。
- 前記受雷部(41)は、前記ロータブレード(20)に後付けされており、
前記受雷部(41)は、雷による電流を受容するように配置および構成されており、
前記受雷部(41)は、前記電流を地面へ伝えるための避雷針に接続されている、
請求項1または2記載の方法。 - 前記渦発生体(31)は、前記ロータブレード(20)の効率を増大させる、請求項1から3までのいずれか1項記載の方法。
- ロータブレード(20)の表面に配置された、空気流の渦(32)を生成するための渦発生体(31)と、
雷による電流を受容するための受雷部(41)と、
を有する、風力タービン(10)用のロータブレード(20)において、
前記ロータブレード(20)の表面に配置された渦発生体(31)によって、第1の回転方向(34)を有する気流の渦(32)を生成し、
ロータブレード(20)の先端部分(22)の形状によって、第2の回転方向(52)を有する先端渦(51)を生成し、
前記第1の回転方向(34)と前記第2の回転方向(52)とは実質的に等しく、
前記ロータブレード(20)の回転によって、前記第1の回転方向(34)を有する前記渦(32)と前記第2の回転方向(52)を有する前記先端渦(51)がマージされて、マージされた渦が形成され、
前記渦発生体(31)と前記受雷部(41)との相対的な配置は、前記マージされた渦によって雷が当該受雷部(41)へ誘導されるようになされている
ことを特徴とするロータブレード(20)。 - 前記受雷部(41)は、前記電流を地面へ伝えるための避雷針に接続されている、請求項5記載のロータブレード(20)。
- 前記受雷部(41)は、前記渦発生体(31)より下流に配置されている、請求項5記載のロータブレード(20)。
- 前記渦発生体(31)は、前記ロータブレード(20)の負圧側(251)に配置されている、請求項5から7までのいずれか1項記載のロータブレード(20)。
- 前記渦発生体(31)と前記受雷部(41)とは、雷を誘導可能な距離で離間している、請求項5から8までのいずれか1項記載のロータブレード(20)。
- 前記渦発生体(31)と前記受雷部(41)との間の距離は50cm未満である、請求項5から9までのいずれか1項記載のロータブレード(20)。
- 前記渦発生体(31)は導電性材料を含む、請求項5から10までのいずれか1項記載のロータブレード(20)。
- 前記渦発生体(31)と前記受雷部(41)とは、導電性材料によって接続されている、請求項5から11までのいずれか1項記載のロータブレード(20)。
- 前記渦発生体(31)は、前記受雷部(41)の頂部に配置されている、請求項5記載のロータブレード(20)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14193039.6A EP3020964B8 (en) | 2014-11-13 | 2014-11-13 | Guiding a lightning to a lightning receptor |
EP14193039.6 | 2014-11-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016104983A JP2016104983A (ja) | 2016-06-09 |
JP6732436B2 true JP6732436B2 (ja) | 2020-07-29 |
Family
ID=51986992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2015222696A Active JP6732436B2 (ja) | 2014-11-13 | 2015-11-13 | 受雷部への雷の誘導 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10024308B2 (ja) |
EP (1) | EP3020964B8 (ja) |
JP (1) | JP6732436B2 (ja) |
CN (1) | CN105604810B (ja) |
DK (1) | DK3020964T3 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109642540A (zh) | 2016-09-07 | 2019-04-16 | Lm风力发电国际技术有限公司 | 用于风力涡轮机叶片的涡流发生器装置 |
US11898541B2 (en) | 2022-05-18 | 2024-02-13 | Pinnacle Lightning, LLC | Wind turbine blade with a lightning protection system |
Family Cites Families (20)
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US2118058A (en) * | 1936-01-24 | 1938-05-24 | Riley Dev Corp | Auxiliary combustion chamber for internal combustion engines |
US3019989A (en) * | 1954-04-05 | 1962-02-06 | Little Inc A | Atmospheric space charge modification |
US3233147A (en) * | 1964-12-21 | 1966-02-01 | Giannini Scient Corp | Apparatus and method for generating high-intensity light and a high temperature and mach number plasma stream |
FI58954C (fi) * | 1979-08-20 | 1981-05-11 | Enso Gutzeit Oy | Hydrocyklon |
GB8310224D0 (en) * | 1983-04-15 | 1983-05-18 | British Aerospace | Wing tip arrangement |
DE4440744A1 (de) * | 1994-11-15 | 1996-05-23 | Peter Frieden | Rotorblatt eines Rotors für Windkraftanlagen |
DE10018389C2 (de) * | 2000-04-13 | 2003-12-18 | Airbus Gmbh | Vorrichtung sowie Verfahren zur Reduzierung von Nachlaufwirbeln hinter Flugzeugen im Landeanflug |
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EP2321528B1 (en) * | 2008-08-29 | 2012-12-19 | Vestas Wind Systems A/S | Control system in wind turbine blades |
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EP2416005A1 (en) * | 2010-08-02 | 2012-02-08 | Siemens Aktiengesellschaft | Lightning protection of a wind turbine blade |
WO2012055418A1 (en) | 2010-10-27 | 2012-05-03 | Vestas Wind Systems A/S | A wind turbine lightning protection system and wind turbine blade |
US8834117B2 (en) * | 2011-09-09 | 2014-09-16 | General Electric Company | Integrated lightning receptor system and trailing edge noise reducer for a wind turbine rotor blade |
US9341158B2 (en) * | 2011-12-08 | 2016-05-17 | Inventus Holdings, Llc | Quiet wind turbine blade |
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EP2722522A1 (en) * | 2012-10-22 | 2014-04-23 | Siemens Aktiengesellschaft | Lightning receptor arrangement for a wind turbine rotor blade |
US20150010407A1 (en) * | 2013-07-08 | 2015-01-08 | Alonso O. Zamora Rodriguez | Reduced noise vortex generator for wind turbine blade |
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ES2612213T3 (es) * | 2014-12-22 | 2017-05-12 | Siemens Aktiengesellschaft | Pala de rotor con generadores de vórtices |
-
2014
- 2014-11-13 EP EP14193039.6A patent/EP3020964B8/en active Active
- 2014-11-13 DK DK14193039.6T patent/DK3020964T3/da active
-
2015
- 2015-07-23 US US14/806,719 patent/US10024308B2/en active Active
- 2015-11-13 JP JP2015222696A patent/JP6732436B2/ja active Active
- 2015-11-13 CN CN201510773796.9A patent/CN105604810B/zh active Active
Also Published As
Publication number | Publication date |
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CN105604810B (zh) | 2020-06-16 |
DK3020964T3 (da) | 2019-06-11 |
CN105604810A (zh) | 2016-05-25 |
US10024308B2 (en) | 2018-07-17 |
EP3020964A1 (en) | 2016-05-18 |
US20160138570A1 (en) | 2016-05-19 |
EP3020964B8 (en) | 2019-06-19 |
EP3020964B1 (en) | 2019-04-03 |
JP2016104983A (ja) | 2016-06-09 |
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