DE102006044332B3 - Rotor vane especially for underwater power station, has vibrator sheath arranged externally on vane and lying in the plane of the blade - Google Patents

Rotor vane especially for underwater power station, has vibrator sheath arranged externally on vane and lying in the plane of the blade Download PDF

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Publication number
DE102006044332B3
DE102006044332B3 DE102006044332A DE102006044332A DE102006044332B3 DE 102006044332 B3 DE102006044332 B3 DE 102006044332B3 DE 102006044332 A DE102006044332 A DE 102006044332A DE 102006044332 A DE102006044332 A DE 102006044332A DE 102006044332 B3 DE102006044332 B3 DE 102006044332B3
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Germany
Prior art keywords
wing
vibrator
rotor
vane
flow
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Expired - Fee Related
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DE102006044332A
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German (de)
Inventor
Karl Stern
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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
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/12—Blades; Blade-carrying rotors
    • F03B3/121—Blades, their form or construction
    • 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
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B17/00—Other machines or engines
    • F03B17/06—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head"
    • F03B17/061—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially in flow direction
    • 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
    • F05B2250/24—Geometry three-dimensional ellipsoidal
    • F05B2250/241—Geometry three-dimensional ellipsoidal spherical
    • 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
    • F05B2250/30—Arrangement of components
    • F05B2250/31—Arrangement of components according to the direction of their main axis or their axis of rotation
    • F05B2250/314—Arrangement of components according to the direction of their main axis or their axis of rotation the axes being inclined in relation to each other
    • 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
    • Y02E10/20—Hydro energy
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

A blade or vane (1) of a drive rotor having a rotor axel (2) pointing in the flow direction, in which the vane (1) is spaced from the rotor axel (2) and has a circular disc-shaped basic shape and is arranged with an inclined vane surface plane in the flow direction. Externally on the vane (1), a vibrator sheath is arranged jutting over the edge of the vane and is displaced into oscillation by the flow.

Description

Die Erfindung betrifft die Flügel eines Rotors, der insbesondere bei Unterwasserkraftwerken Anwendung findet.The Invention relates to the wings a rotor, in particular in underwater power plants application place.

Ein Unterwasserkraftwerk mit einer Rotorachse in Strömungsrichtung ist aus der DE 200 11 874 U1 bekannt.An underwater power plant with a rotor axis in the flow direction is from the DE 200 11 874 U1 known.

Als Rotoren oder Schaufelräder finden dabei dem Schiffspropeller ähnliche Schrauben mit Flügeln Anwendung. Am bekanntesten dürfte dabei die Ericsson-Schraube sein, deren Flügel an der Oberfläche gewölbt ausgebildet sind.When Rotors or paddle wheels find the ship's propeller similar screws with wings application. Best known while the Ericsson screw, whose wings are arched on the surface formed are.

Bekannt ist es auch, die Flügel verstellbar anzuordnen und so einen unterschiedlichen Schub bei gleicher Rotordrehzahl zu erzielen.Known it is, too, the wings adjustable to arrange and so a different thrust at to achieve the same rotor speed.

In der DE 202 04 732 U1 ist ein Propeller mit angeformter Kompressionseinrichtung zur Erhöhung des Wirkungsgrades von Schraubenantrieben beschrieben, bei welchem das Medium durch Zentrifugalkraft axial zu den Endspitzen gepresst und dort mittels an den Enden des Propellers angebrachten Umkantungen umgelenkt wird.In the DE 202 04 732 U1 is a propeller with integrally formed compression device for increasing the efficiency of screw drives described in which the medium is pressed by centrifugal force axially to the end tips and deflected there by means attached to the ends of the propeller Umkantungen.

Ein Propeller mit von der Rotorachse beabstandeten Rotorflügeln ist in der US 23 95 193 A dargestellt.A propeller with rotor blades spaced from the rotor axis is in the US 23 95 193 A shown.

Aufgabe der Erfindung ist es, die Flügeloberfläche in ihrer Gestaltung zu optimieren, so dass höhere Drehzahlen der Rotorachse bei gleichen Strömungsbedingungen von Wasser bzw. von Luft erzielbar sind.task The invention is the wing surface in their Optimize design, allowing higher rotational speeds of the rotor axis at the same flow conditions can be achieved by water or air.

Gelöst wird diese Aufgabe durch einen Rotorflügel mit den Merkmalen des Anspruches 1. Vorteilhafte Ausgestaltungen sind Gegenstand der Unteransprüche.Is solved this task by a rotor blade with the features of the claim 1. Advantageous embodiments are the subject of the dependent claims.

Erfindungsgemäß ist bei einem Flügel von einem Antriebsrotor mit in Strömungsrichtung weisender Rotorachse, wobei der Flügel mit einer geneigten Flügelflächenebene in die Strömungsrichtung gerichtet angeordnet ist, vorgesehen, dass der Flügel beabstandet von der Rotorachse angeordnet ist und eine kreisscheibenförmige Grundform besitzt und außen am Flügel eine den Flügelrand überragende Vibratorscheibe angeordnet ist, wobei die Vibratorscheibe von der Strömung in Schwingung versetzt wird.According to the invention is at a wing from a drive rotor with a rotor axis pointing in the direction of flow, being the wing with a sloping wing plane in the flow direction is arranged, provided that the wing spaced is arranged from the rotor axis and a circular disk-shaped basic shape owns and outside at wing a towering over the edge of the wing Vibratorscheibe is arranged, wherein the Vibratorscheibe of the flow is vibrated.

Die Vibratorscheibe ist vorteilhafterweise an der Abströmkante des Flügels fahnenähnlich am Flügelrand oder auf der Flügelfläche des Flügels angeordnet und die äußere Kante der Vibratorscheibe liegt tangential am Umfang des Flügels an.The Vibratorscheibe is advantageously at the trailing edge of the wing flags similar at the edge of the wing or on the wing surface of the wing arranged and the outer edge the vibrator disc lies tangentially on the circumference of the wing.

In einer weiteren vorteilhaften Ausgestaltung ist am freien Ende der Vibratorscheibe außerhalb des Flügels auf der Vibratorscheibe auf der der Strömung abgewandten Seite ein kugelabschnittförmiger Körper angeordnet.In a further advantageous embodiment is at the free end of Vibrator disc outside of the grand piano on the Vibratorscheibe on the side facing away from the flow spherical segment-shaped body arranged.

Versuche haben gezeigt, dass bei gleichen Strömungsbedingungen mit der vorgeschlagenen Flügelform mit Vibrator Drehzahlsteigerungen von 10–15% erzielt werden.tries have shown that at the same flow conditions with the proposed wing shape With vibrator speed increases of 10-15% can be achieved.

Ein Ausführungsbeispiel ist in den Zeichnungen dargestellt. Es zeigen:One embodiment is shown in the drawings. Show it:

1 Rotor mit Flügeln in der Vorderansicht, 1 Rotor with wings in front view,

2 Rotor mit Flügeln in der Hinteransicht, 2 Rotor with wings in the rear view,

3 Anstellung der Flügel mit Strömungsverlauf, 3 Employment of wings with flow,

4 Beispiel einer Unterwasseranordnung. 4 Example of an underwater arrangement.

1 und 2 zeigen einen Rotor mit vier Flügeln 1. Die Flügel 1 sind beabstandet von der Rotorachse 2 angeordnet und besitzen eine kreisscheibenförmige Grundform. 1 and 2 show a rotor with four wings 1 , The wings 1 are spaced from the rotor axis 2 arranged and have a circular disk-shaped basic shape.

Außen am Flügel 1 in der Flügelebene 3 ist jeweils eine den Flügelrand überragende Vibratorscheibe 5 angeordnet.Outside on the wing 1 in the wing level 3 is in each case a vibrator disk projecting beyond the edge of the wing 5 arranged.

Die Vibratorscheibe 5 ist an der Abströmkante des Flügels 1 auf der Flügelfläche angeordnet. Die äußere Kante der Vibratorscheibe 5 liegt tangential am Umfang des Flügels 1 an (siehe insbesondere Darstellung in 3).The vibrator disc 5 is at the trailing edge of the wing 1 arranged on the wing surface. The outer edge of the vibrator disc 5 is tangent to the circumference of the wing 1 (see in particular illustration in 3 ).

Die Außenkontur der Vibratorscheibe 5 hat hier eine im Wesentlichen parallel verlaufende Innen- und Außenkante, die am freien Ende der Vibratorscheibe 5 halbkreisförmig miteinander verbunden sind.The outer contour of the vibrator disc 5 here has a substantially parallel inner and outer edge, at the free end of the vibrator disc 5 Semicircular are interconnected.

Im äußeren Endbereich der Vibratorscheibe 5 außerhalb des Flügels 1 ist auf der Vibratorscheibe 5 auf der der Strömung abgewandten Seite ein kugelabschnittförmiger Körper 6 angeordnet.In the outer end of the Vibratorscheibe 5 outside the wing 1 is on the vibrator disk 5 on the side facing away from the flow, a spherical segment-shaped body 6 arranged.

Eine weitere vorteilhafte Anordnung der Flügel 1 sieht vor, dass die Flügelflächenebene 3 der kreisscheibenförmigen Grundform des Flügels 1 mit einer senkrecht zur Rotorachse 2 stehenden Ebene einen Winkel α im Bereich 15° < α < 25° einschließt.Another advantageous arrangement of the wings 1 provides that the wing plane 3 the circular disk-shaped basic shape of the wing 1 with a perpendicular to the rotor axis 2 standing angle includes an angle α in the range 15 ° <α <25 °.

In 3 wird der Strömungsverlauf unter Wirkung der Vibrationsscheibe 5 mit den kugelabschnittförmigen Körper 6 auf der Rückseite in zwei Phasen der Vibration dargestellt.In 3 becomes the flow pattern under the action of the vibrating disk 5 with the spherical segment-shaped body 6 shown on the back in two phases of vibration.

Eine Anordnung derartiger Rotoren erfolgt bevorzugt auf versenkbaren Pontons mit mehreren Rotoren. Eine derartige im Flussbett aufgestellte Einheit ist in 4 dargestellt.An arrangement of such rotors is preferably carried out on retractable pontoons with multiple rotors. Such a unit set up in the river bed is in 4 shown.

Claims (6)

Flügel (1) von einem Antriebsrotor mit in Strömungsrichtung weisender Rotorachse (2), wobei der Flügel (1) beabstandet von der Rotorachse (2) angeordnet ist, eine kreisscheibenförmige Grundform besitzt und mit einer geneigten Flügelflächenebene (3) in die Strömungsrichtung (4) gerichtet angeordnet ist, dadurch gekennzeichnet, dass außen am Flügel (1) eine in der Flügelebene (3) liegende, den Flügelrand überragende Vibratorscheibe (5) angeordnet ist, die von der Strömung in Schwingung versetzt wird.Wings ( 1 ) of a drive rotor with rotor axis pointing in the direction of flow ( 2 ), whereby the wing ( 1 ) spaced from the rotor axis ( 2 ) is arranged, has a circular disk-shaped basic shape and with an inclined wing surface plane ( 3 ) in the flow direction ( 4 ), characterized in that on the outside of the wing ( 1 ) one in the wing plane ( 3 ), the wing edge superior Vibratorscheibe ( 5 ) which is vibrated by the flow. Flügel nach Anspruch 1, dadurch gekennzeichnet, dass die Vibratorscheibe (5) an der Abströmkante des Flügels (1) fahnenähnlich am Flügelrand oder auf der Flügelfläche angeordnet ist und die äußere Kante der Vibratorscheibe (5) tangential am Umfang des Flügels (1) anliegt.Wing according to claim 1, characterized in that the vibrator disc ( 5 ) at the trailing edge of the wing ( 1 ) is arranged flag-like on the wing edge or on the wing surface and the outer edge of the vibrator disc ( 5 ) tangentially on the circumference of the wing ( 1 ) is present. Flügel nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Außenkontur der Vibratorscheibe (5) eine im Wesentlichen parallel verlaufende Innen- und Außenkante aufweist, die am freien Ende der Vibratorscheibe 5 halbkreisförmig miteinander verbunden sind.Wing according to claim 1 or 2, characterized in that the outer contour of the vibrator disc ( 5 ) has a substantially parallel inner and outer edges, at the free end of the vibrator disc 5 Semicircular are interconnected. Flügel nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass im äußeren Endbereich der Vibratorscheibe (5) außerhalb des Flügels (1) auf der Vibratorscheibe (5) auf der der Strömung abgewandten Seite ein kugelabschnittförmiger Körper (6) angeordnet ist.Wing according to one of claims 1 to 3, characterized in that in the outer end region of the vibrator disc ( 5 ) outside the wing ( 1 ) on the vibrator disk ( 5 ) on the side facing away from the flow, a spherical segment-shaped body ( 6 ) is arranged. Flügel nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Flügelflächenebene (3) des Flügels (1) mit einer senkrecht zur Rotorachse (2) stehenden Ebene einen Winkel α im Bereich 15° < α < 25° einschließt.Wing according to one of claims 1 to 4, characterized in that the wing surface plane ( 3 ) of the wing ( 1 ) with a perpendicular to the rotor axis ( 2 ) includes an angle α in the range 15 ° <α <25 °. Flügel nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Achse des Flügels (1) gegenüber einer zur Strömungsrichtung (4) senkrechten Ebene um einen Winkel β im Bereich 0 < β < 10° in Strömungsrichtung geneigt ist, so dass die Strömung nach außen, d.h. in Richtung des Außenumfangs des Rotors, geführt wird.Wing according to one of claims 1 to 5, characterized in that the axis of the wing ( 1 ) opposite one to the flow direction ( 4 ) vertical plane is inclined by an angle β in the range 0 <β <10 ° in the flow direction, so that the flow to the outside, ie in the direction of the outer circumference of the rotor, is guided.
DE102006044332A 2006-09-19 2006-09-19 Rotor vane especially for underwater power station, has vibrator sheath arranged externally on vane and lying in the plane of the blade Expired - Fee Related DE102006044332B3 (en)

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DE102006044332A DE102006044332B3 (en) 2006-09-19 2006-09-19 Rotor vane especially for underwater power station, has vibrator sheath arranged externally on vane and lying in the plane of the blade

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120286518A1 (en) * 2011-05-12 2012-11-15 Voith Patent Gmbh Maritime Current Power Plant Park and a Method for Its Production

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE85376C (en) * 1900-01-01
DE168544C (en) * 1900-01-01
DE93910C (en) * 1900-01-01
US1861065A (en) * 1930-08-18 1932-05-31 Poot Philippe Screw-propeller for flying machines and other aerodynamics apparatus
US2238749A (en) * 1939-01-30 1941-04-15 Clarence B Swift Fan blade
US3053325A (en) * 1961-10-25 1962-09-11 Paul F Ferreira Aeronautical propeller
US5372480A (en) * 1993-09-22 1994-12-13 Van Meter; John L. Replaceable and foldable blade boat propeller
US20030175120A1 (en) * 2002-03-12 2003-09-18 St. Clair Alexander Sasha Aqua / atmos propellor jet
DE10256864A1 (en) * 2002-12-05 2004-07-08 Ernst Buttler Hydropower plant

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE85376C (en) * 1900-01-01
DE168544C (en) * 1900-01-01
DE93910C (en) * 1900-01-01
US1861065A (en) * 1930-08-18 1932-05-31 Poot Philippe Screw-propeller for flying machines and other aerodynamics apparatus
US2238749A (en) * 1939-01-30 1941-04-15 Clarence B Swift Fan blade
US3053325A (en) * 1961-10-25 1962-09-11 Paul F Ferreira Aeronautical propeller
US5372480A (en) * 1993-09-22 1994-12-13 Van Meter; John L. Replaceable and foldable blade boat propeller
US20030175120A1 (en) * 2002-03-12 2003-09-18 St. Clair Alexander Sasha Aqua / atmos propellor jet
DE10256864A1 (en) * 2002-12-05 2004-07-08 Ernst Buttler Hydropower plant

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120286518A1 (en) * 2011-05-12 2012-11-15 Voith Patent Gmbh Maritime Current Power Plant Park and a Method for Its Production
US8779615B2 (en) * 2011-05-12 2014-07-15 Voith Patent Gmbh Maritime current power plant park and a method for its production

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Effective date: 20130403