WO2011020458A2 - Élément de rotor autour duquel un fluide doit circuler et rotor - Google Patents

Élément de rotor autour duquel un fluide doit circuler et rotor Download PDF

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Publication number
WO2011020458A2
WO2011020458A2 PCT/DE2010/000917 DE2010000917W WO2011020458A2 WO 2011020458 A2 WO2011020458 A2 WO 2011020458A2 DE 2010000917 W DE2010000917 W DE 2010000917W WO 2011020458 A2 WO2011020458 A2 WO 2011020458A2
Authority
WO
WIPO (PCT)
Prior art keywords
rotor
rotor blade
flow
flow guide
fluid
Prior art date
Application number
PCT/DE2010/000917
Other languages
German (de)
English (en)
Other versions
WO2011020458A3 (fr
WO2011020458A4 (fr
Inventor
Konrad Buckel
Original Assignee
Konrad Buckel
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 Konrad Buckel filed Critical Konrad Buckel
Publication of WO2011020458A2 publication Critical patent/WO2011020458A2/fr
Publication of WO2011020458A3 publication Critical patent/WO2011020458A3/fr
Publication of WO2011020458A4 publication Critical patent/WO2011020458A4/fr

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
    • 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 
    • F03D1/04—Wind motors with rotation axis substantially parallel to the air flow entering the rotor  having stationary wind-guiding means, e.g. with shrouds or channels
    • 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
    • F05B2210/00—Working fluid
    • F05B2210/16—Air or water being indistinctly used as working fluid, i.e. the machine can work equally with air or water without any modification
    • 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
    • F05B2250/14—Geometry two-dimensional elliptical
    • 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
    • F05B2250/70—Shape
    • F05B2250/71—Shape curved
    • F05B2250/711—Shape curved convex
    • 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
    • F05B2250/70—Shape
    • F05B2250/71—Shape curved
    • F05B2250/712—Shape curved concave
    • 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

Definitions

  • the invention relates to a rotor element for flow around a fluid with the
  • the invention relates to a rotor having the features of the preamble of claim 9.
  • Wind turbines and wind turbines have rotors that are equipped with aerodynamically optimized rotor blades, so that the kinetic energy of the wind can be used with the highest possible efficiency.
  • Most rotors are designed for such power plants with a substantially horizontal axis of rotation, have at least two adjustable rotor blades and generate a torque on a shaft, which is used via a transmission for driving an electric generator.
  • the object of the present invention is to achieve a high utilization of the flow energy, in particular wind energy.
  • the invention comprises a rotor element for flow around a fluid, in particular by air, and for a rotor a Roto sheet having two side surfaces, and a rotor blade associated flow guide.
  • the flow guide is a flow guide whose wake or wake flow at least partially Flow, in particular the pressure distribution and / or the velocity field, on one of the side surfaces of the rotor blade influenced.
  • the caster acts directly or indirectly on the rotor blade.
  • the wake is particularly laminar or turbulence-free or vortex-free.
  • the flow on the side surface or the flow around the rotor blade is in particular laminar or turbulence-free or vortex-free.
  • the flow conditions around the rotor blade are changed compared to the situation without a flow guide.
  • the influence can be location-dependent or have a spatial distribution.
  • the influence may be an increase in speed, a change of the speed direction, or a generation of pressure differences or pressure gradients acting on the rotor blade.
  • at least a portion of the rotor blade may be located downstream of the flow guide. In other words, the wake can at least partially hit the rotor blade.
  • Flow guide results in a stronger Kjraft effect of the flow on the rotor blade.
  • additional flow can be directed to the rotor blade.
  • the force effect is optimized by varying various parameters, such as the size, the shape and the distance of the rotor blade and the flow guide to each other.
  • the flow guide can also be referred to as a fluid flow control system, in particular air flow control system.
  • Flow guide surface along a longitudinal axis of the rotor blade extend and / or the flow guide surface may lie within a shadow projection along a direction of a surface vector, in particular the averaged area vector or total area vector, (vertical shadow projection) of the rotor blade.
  • the flow guide can have two convex side surfaces and / or a elhpsenförmigen cross section (perpendicular to the long constitutionalumble).
  • the one side surface of the rotor blade may be concave and / or the other side surface of the rotor blade may be convex.
  • the flow guide surface may face the concave side surface of the rotor blade.
  • the flow guide can be arranged in particular substantially perpendicular or parallel to the concave side surface of the rotor blade.
  • the angle between the rotor blade and the flow guide is adjustable.
  • the rotor blade and the flow guide are fixedly spaced from each other and / or movable together in a fixed relative position to each other.
  • the rotor blade and the flow guide can be connected to each other by struts or taken together on a rotor base.
  • the rotor blade may in particular be a drive rotor blade or a generator rotor blade.
  • a rotor with a plurality of rotor elements for flow around a fluid in which a rotor element according to the invention is used.
  • a rotor according to the invention having a plurality of rotor elements for flowing around through a fluid has at least one rotor element with features or feature combinations according to this illustration.
  • the rotor according to the invention is seen from the direction of rotation of the rotor or in the plane of rotation of the rotor, the flow guide in (relative to the direction of rotation or rotational movement) slipstream of the rotor blade.
  • the angular positions of the drive rotor blades of the rotor and / or the flow guide surfaces can be adjusted about their respective longitudinal axis directions, in particular controlled or regulated.
  • drive rotor blades and flow control surfaces are correlated to each other adjustable, in particular controllable or adjustable.
  • a corresponding mechanical and / or electrical device is used.
  • the drive rotor blades are used in practice for optimal use of
  • a first particular use is in power machines, in particular
  • An engine according to the invention for converting the flow energy of a fluid, preferably wind energy, into another form of energy, in particular into electrical energy, has a rotor whose axis of rotation can be set substantially in the flow direction and which comprises features or combinations of features according to this representation.
  • the fluid may be a gas, in particular and preferably air, or a liquid, in particular and preferably water.
  • a second special application is in propeller drives, in particular
  • Aircraft propeller drives for example, a Arthururburbopropellerantrieb.
  • a propeller drive according to the invention for producing a propulsion in a fluid comprises at least one rotor with features or feature combinations according to this representation.
  • the flow guide surface lies in front of the rotor blade.
  • more thrust can be generated.
  • the flow guide improves the aerodynamics in the direction of rotation of the rotor, in addition more air can be directed to the rotor and air turbulence can be reduced.
  • the rotor according to the invention can be used in terms of hydropower in a Geileiteiikraftmaschine or a turbine.
  • Rotor element according to the invention can also be realized with respect to wind power in sailing ships:
  • the sail corresponds to the rotor blade.
  • FIG. 1 shows an embodiment of a rotor element according to the invention
  • FIG. 1 shows an embodiment of a rotor element 10 according to the invention.
  • the rotor element 10 has a rotor blade 12 and a flow guide surface 14 associated therewith.
  • the flow guide surface 14 faces a side surface 16.
  • the side surface 16 is concave - it has an inner arc, while the other, concealed Hegende side surface of the rotor blade 12 is convex.
  • the flow guide 14 has two convex sides - it has two outer curves and has an elliptical cross-section.
  • Fluid flow direction 18 exposed by being aligned like a sail to the fluid flow arises in cooperation of the flow guide surface 14 and the Rotor blade 12 a particular laminar flow field between these two parts of the rotor element 10. Compared to the flow around the rotor blade 12 without
  • Flow guide surface 14 results with flow guide surface 14 a stronger force on the rotor blade 12.
  • the force on the rotor blade acts substantially perpendicularly away from the concealed convex side surface of the rotor blade 12 (buoyancy force).
  • FIG. 2 is a schematic illustration of an embodiment of a windmill with a rotor 20 which has three rotor elements 10 according to the invention and is mounted on a mast 22 so as to be pivotable about the figure axis of the mast 22.
  • the rotor elements 10 are equidistant on the rotor 20 at one about an axis perpendicular to the plane of the
  • Rotor elements 10 rotatable rotor base 24 is arranged. Not shown in detail drawn such an embodiment of a wind turbine also includes a shaft on which acts by the rotation of the rotor 20 in the direction of rotation 26, an electric generator for generating electricity and a transmission for transmitting torque from the shaft to the electric generator. With respect to the direction of rotation 26 is the
  • Wind turbines with and without flowguides reach under variation of the

Abstract

L'invention concerne un élément de rotor (10) associé à un rotor (20) et autour duquel un fluide doit circuler. L'élément de rotor comprend une pale de rotor (12), pourvue de deux faces latérales, ainsi qu'une face de guidage de flux (14) associée à la pale de rotor (12) et dont le sillage influe au moins partiellement sur l'incidence du fluide sur une des faces latérales de la pale de rotor (12).
PCT/DE2010/000917 2009-08-19 2010-08-03 Élément de rotor autour duquel un fluide doit circuler et rotor WO2011020458A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009038076A DE102009038076A1 (de) 2009-08-19 2009-08-19 Rotorelement zur Umströmung durch ein Fluid und Rotor
DE102009038076.0 2009-08-19

Publications (3)

Publication Number Publication Date
WO2011020458A2 true WO2011020458A2 (fr) 2011-02-24
WO2011020458A3 WO2011020458A3 (fr) 2011-09-15
WO2011020458A4 WO2011020458A4 (fr) 2011-11-10

Family

ID=43495424

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2010/000917 WO2011020458A2 (fr) 2009-08-19 2010-08-03 Élément de rotor autour duquel un fluide doit circuler et rotor

Country Status (2)

Country Link
DE (1) DE102009038076A1 (fr)
WO (1) WO2011020458A2 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10202865B2 (en) 2012-10-23 2019-02-12 General Electric Company Unducted thrust producing system
US11300003B2 (en) 2012-10-23 2022-04-12 General Electric Company Unducted thrust producing system
US11391298B2 (en) 2015-10-07 2022-07-19 General Electric Company Engine having variable pitch outlet guide vanes
US11492918B1 (en) 2021-09-03 2022-11-08 General Electric Company Gas turbine engine with third stream
US11680530B1 (en) 2022-04-27 2023-06-20 General Electric Company Heat exchanger capacity for one or more heat exchangers associated with a power gearbox of a turbofan engine
US11834992B2 (en) 2022-04-27 2023-12-05 General Electric Company Heat exchanger capacity for one or more heat exchangers associated with an accessory gearbox of a turbofan engine
US11834954B2 (en) 2022-04-11 2023-12-05 General Electric Company Gas turbine engine with third stream
US11834995B2 (en) 2022-03-29 2023-12-05 General Electric Company Air-to-air heat exchanger potential in gas turbine engines

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2691644A4 (fr) * 2011-03-22 2014-09-03 Univ Tufts Systèmes, dispositifs et procédés pour améliorer le rendement de systèmes de génération d'énergie éolienne
FR3012180B1 (fr) * 2013-10-18 2018-02-16 Sebastien Manceau Eolienne a axe de rotation horizontal comprenant des familles de pales
DE102018100511A1 (de) 2018-01-11 2019-07-11 Mehmet Güncü Rotorblatt für Windkraftanlagen
DE102019111123A1 (de) * 2019-04-30 2020-11-05 Wobben Properties Gmbh Rotor für eine Windenergieanlage und Windenergieanlage

Family Cites Families (8)

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Publication number Priority date Publication date Assignee Title
GB176842A (en) * 1921-07-04 1922-03-23 Richard George Oliver Improvements in propellers and fans
GB388827A (en) * 1932-05-23 1933-03-09 James Carter Gray Improvements in and relating to screw propellers and the like
FR820826A (fr) * 1937-04-20 1937-11-19 Hélice à fentes
DE3117995A1 (de) * 1981-05-07 1982-11-25 Ficht GmbH, 8011 Kirchseeon Rotor fuer eine windkraftanlage
JPS61167175A (ja) * 1985-01-18 1986-07-28 Mitsubishi Heavy Ind Ltd 風車用プロペラ
DK176317B1 (da) * 2005-10-17 2007-07-30 Lm Glasfiber As Vinge til en rotor på et vindenergianlæg
BRPI0600613B1 (pt) * 2006-03-14 2015-08-11 Tecsis Tecnologia E Sist S Avançados S A Pá multielementos com perfis aerodinâmicos
WO2009097850A2 (fr) * 2008-02-05 2009-08-13 Bjarne Flytklint Rotor, en particulier pour des hélices ou des systèmes à énergie éolienne

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10669881B2 (en) 2012-10-23 2020-06-02 General Electric Company Vane assembly for an unducted thrust producing system
US10704410B2 (en) 2012-10-23 2020-07-07 General Electric Company Unducted thrust producing system architecture
US10907495B2 (en) 2012-10-23 2021-02-02 General Electric Company Unducted thrust producing system
US11300003B2 (en) 2012-10-23 2022-04-12 General Electric Company Unducted thrust producing system
US10202865B2 (en) 2012-10-23 2019-02-12 General Electric Company Unducted thrust producing system
US11585354B2 (en) 2015-10-07 2023-02-21 General Electric Company Engine having variable pitch outlet guide vanes
US11391298B2 (en) 2015-10-07 2022-07-19 General Electric Company Engine having variable pitch outlet guide vanes
US11492918B1 (en) 2021-09-03 2022-11-08 General Electric Company Gas turbine engine with third stream
US11859516B2 (en) 2021-09-03 2024-01-02 General Electric Company Gas turbine engine with third stream
US11834995B2 (en) 2022-03-29 2023-12-05 General Electric Company Air-to-air heat exchanger potential in gas turbine engines
US11834954B2 (en) 2022-04-11 2023-12-05 General Electric Company Gas turbine engine with third stream
US11680530B1 (en) 2022-04-27 2023-06-20 General Electric Company Heat exchanger capacity for one or more heat exchangers associated with a power gearbox of a turbofan engine
US11834992B2 (en) 2022-04-27 2023-12-05 General Electric Company Heat exchanger capacity for one or more heat exchangers associated with an accessory gearbox of a turbofan engine

Also Published As

Publication number Publication date
WO2011020458A3 (fr) 2011-09-15
WO2011020458A4 (fr) 2011-11-10
DE102009038076A1 (de) 2011-02-24

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