DE20105595U1 - Oberfläche eines Rotorblattes für Windmühlen zur Verhinderung von Strömungsablösungen - Google Patents

Oberfläche eines Rotorblattes für Windmühlen zur Verhinderung von Strömungsablösungen

Info

Publication number
DE20105595U1
DE20105595U1 DE20105595U DE20105595U DE20105595U1 DE 20105595 U1 DE20105595 U1 DE 20105595U1 DE 20105595 U DE20105595 U DE 20105595U DE 20105595 U DE20105595 U DE 20105595U DE 20105595 U1 DE20105595 U1 DE 20105595U1
Authority
DE
Germany
Prior art keywords
rotor blade
flow separation
windmills
elevations
prevent flow
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE20105595U
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BUSJAEGER PETER
Original Assignee
BUSJAEGER PETER
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 BUSJAEGER PETER filed Critical BUSJAEGER PETER
Priority to DE20105595U priority Critical patent/DE20105595U1/de
Publication of DE20105595U1 publication Critical patent/DE20105595U1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00—Influencing flow of fluids
    • F15D1/10—Influencing flow of fluids around bodies of solid material
    • F15D1/12—Influencing flow of fluids around bodies of solid material by influencing the boundary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/16—Blades
    • B64C11/18—Aerodynamic features
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • F01D5/145—Means for influencing boundary layers or secondary circulations
    • 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
    • F05B2240/21—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
    • 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
    • F05B2250/20—Geometry three-dimensional
    • F05B2250/29—Geometry three-dimensional machined; miscellaneous
    • F05B2250/292—Geometry three-dimensional machined; miscellaneous tapered
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/20—Rotors
    • F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05D2240/31—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 surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/20—Three-dimensional
    • F05D2250/29—Three-dimensional machined; miscellaneous
    • F05D2250/292—Three-dimensional machined; miscellaneous tapered
    • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Wind Motors (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt

Claims (3)

1. Oberfläche eines Rotorblattes für Windmühlen zur Verhinderung von Strömungsablösungen, dadurch gekennzeichnet, dass eine senkrecht zur Anströmungsrichtung (3) stehende rautenförmige, sich schuppenartig fortsetzende Grobstruktur aus einzelnen, längs zur Abströmungsrichtung (5) verlaufenden, keilförmigen, leeseitig ansteigenden und dort abgerundeten, oberseitig scharfkantig ausgebildeten, aus dem Grundprofil hervorstehenden Erhebungen (6) gebildet wird.
2. Oberfläche nach Anspruch 1, dadurch gekennzeichnet, dass die Richtung der Erhebungen (6) und die Senkrechte zur Rautenstruktur einen Winkel kleiner als 45° einschließen.
3. Oberfläche nach Anspruch 1, dadurch gekennzeichnet, dass die Erhebungen (6) verschiedene Winkel von 1° bis 45° zur Anströmungsrichtung aufweisen.
DE20105595U 2001-03-30 2001-03-30 Oberfläche eines Rotorblattes für Windmühlen zur Verhinderung von Strömungsablösungen Expired - Lifetime DE20105595U1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20105595U DE20105595U1 (de) 2001-03-30 2001-03-30 Oberfläche eines Rotorblattes für Windmühlen zur Verhinderung von Strömungsablösungen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20105595U DE20105595U1 (de) 2001-03-30 2001-03-30 Oberfläche eines Rotorblattes für Windmühlen zur Verhinderung von Strömungsablösungen

Publications (1)

Publication Number Publication Date
DE20105595U1 true DE20105595U1 (de) 2001-06-28

Family

ID=7955111

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20105595U Expired - Lifetime DE20105595U1 (de) 2001-03-30 2001-03-30 Oberfläche eines Rotorblattes für Windmühlen zur Verhinderung von Strömungsablösungen

Country Status (1)

Country Link
DE (1) DE20105595U1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10318162A1 (de) * 2003-04-17 2004-10-28 Eugen Radtke Auftriebsverbessernde Oberflächenstruktur für Windenergiekonverter
DE10319003A1 (de) * 2003-04-25 2004-11-25 Eugen Radtke Auftriebsverbessernde Oberflächenstruktur für Windenergiekonverter
EP2400148A3 (de) * 2010-06-23 2012-04-18 General Electric Company Windturbinenblatt mit aerodynamischen Wirbelelementen
EP2725221A1 (de) * 2012-10-25 2014-04-30 Andre Jacobs sarl Windgenerator zur Erzeugung von Strom aus Wind
US10364684B2 (en) 2014-05-29 2019-07-30 General Electric Company Fastback vorticor pin
DE102006054683B4 (de) 2005-11-17 2021-10-21 General Electric Co. Rotorblatt mit aerodynamischen Elementen für eine Windkraftanlage

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10318162A1 (de) * 2003-04-17 2004-10-28 Eugen Radtke Auftriebsverbessernde Oberflächenstruktur für Windenergiekonverter
DE10319003A1 (de) * 2003-04-25 2004-11-25 Eugen Radtke Auftriebsverbessernde Oberflächenstruktur für Windenergiekonverter
DE102006054683B4 (de) 2005-11-17 2021-10-21 General Electric Co. Rotorblatt mit aerodynamischen Elementen für eine Windkraftanlage
EP2400148A3 (de) * 2010-06-23 2012-04-18 General Electric Company Windturbinenblatt mit aerodynamischen Wirbelelementen
EP2725221A1 (de) * 2012-10-25 2014-04-30 Andre Jacobs sarl Windgenerator zur Erzeugung von Strom aus Wind
US10364684B2 (en) 2014-05-29 2019-07-30 General Electric Company Fastback vorticor pin
EP2949865B1 (de) * 2014-05-29 2024-05-08 General Electric Company Fastback-vorticor-stift

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Legal Events

Date Code Title Description
R086 Non-binding declaration of licensing interest
R207 Utility model specification

Effective date: 20010802

R156 Lapse of ip right after 3 years

Effective date: 20041001