WO2015088465A1 - Rotor d'installation pour convertir l'énergie de milieux en écoulement - Google Patents

Rotor d'installation pour convertir l'énergie de milieux en écoulement Download PDF

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Publication number
WO2015088465A1
WO2015088465A1 PCT/UA2013/000148 UA2013000148W WO2015088465A1 WO 2015088465 A1 WO2015088465 A1 WO 2015088465A1 UA 2013000148 W UA2013000148 W UA 2013000148W WO 2015088465 A1 WO2015088465 A1 WO 2015088465A1
Authority
WO
WIPO (PCT)
Prior art keywords
blades
axis
rotor
blade
rotation
Prior art date
Application number
PCT/UA2013/000148
Other languages
English (en)
Russian (ru)
Inventor
Анатолий Юрьевич ГАЛЕЦКИЙ
Елена Рувимовна КИБЕНКО
Original Assignee
Анатолий Юрьевич ГАЛЕЦКИЙ
Елена Рувимовна КИБЕНКО
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 Анатолий Юрьевич ГАЛЕЦКИЙ, Елена Рувимовна КИБЕНКО filed Critical Анатолий Юрьевич ГАЛЕЦКИЙ
Priority to PCT/UA2013/000148 priority Critical patent/WO2015088465A1/fr
Priority to EA201691234A priority patent/EA201691234A1/ru
Publication of WO2015088465A1 publication Critical patent/WO2015088465A1/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
    • F03D1/0608—Rotors characterised by their aerodynamic shape
    • F03D1/0625—Rotors characterised by their aerodynamic shape of the whole rotor, i.e. form features of the rotor unit
    • 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
    • F05B2240/2211—Rotors for wind turbines with horizontal axis of the multibladed, low speed, e.g. "American farm" type
    • 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 present invention relates to a rotary installation for converting energy of fluids according to the restrictive part of paragraph 1 of the claims.
  • a wind power installation is known from US 2007/0013196 A1, having an inner rim mounted rotatably on the shaft, rigid propeller blades mounted on the outer side of the inner rim, installed in the air channel formed by the inner rim and having an air stream shaped like the inside of the open torus.
  • the surface of the propeller blades is formed along a helical line.
  • the axis of the generatrix of the helical surface coincides with the axis of rotation of the propeller. Under the influence of the oncoming air flow, the propeller blades are rotationally driven.
  • the disadvantage of this energy conversion system is the relatively low power of the rotor unit at low fluid speeds.
  • the objective of the invention is the provision of a rotary installation for converting the energy of fluids with more efficient indicators of the power extracted from the fluids, especially at low speeds of the fluid with the simplicity of design and operating conditions of the rotor installation.
  • this angle of inclination is from 10 ° to 35 °, or from 15 ° to 30 °.
  • the angle between the projection of the line around which the radius of the arc forming the surface of the blade is described onto a plane parallel to this line passing through the axis of rotation of the rotor and the axis of rotation of the rotor is from 75 ° to 105 °, preferably from 85 ° to 95 °, preferably 90 °. Thanks to this form of execution of the blades, the simplicity of their manufacture is achieved and at the same time the efficiency of their use in a rotary installation is increased.
  • This form of execution of the blades, as well as their location in the rotor installation, can significantly increase the sensitivity of the rotor installation to weak fluid flows, respectively, more efficiently convert the energy of fluid motion into the energy of rotation of the rotor.
  • the shape of the cylinder, part of the surface of which forms the surface of the declared blade can be a straight cylinder, an elliptical cylinder, a parabolic cylinder or a hyperbolic cylinder.
  • This embodiment of the blades allows you to use the claimed rotary installation for converting energy of both gaseous and liquid fluids, choosing the profile of the blade suitable for the corresponding fluid medium. The most important is the identity of the execution of the upper and lower surfaces of the blades curved in one direction.
  • the blades of equal length which is from 30% to 70% of the outer radius of the rotor of the rotor installation, which allows the most efficient use of the energy of weak fluid flows.
  • the inner rim of the rotor can be made cylindrical with a conical end or conical with the apex of the cone directed against the direction of movement of the fluid, which allows to accelerate the flow of fluid directed to the blades.
  • the most preferred is the location of the blades on the outer surface of the inner rim so that the degree of filling the total area described by the blades with the projections of the blades on the plane of rotation of the rotor is from 60% of this area and can be increased to 100% of this area and even up to 40% overlap of the blades with each other in this projection. This allows the most optimal use of the claimed invention in fluids having different parameters of density, viscosity, speed and even having different phase states.
  • the radius of curvature of the surfaces of the blades is from 0.6 to 2.0 of the length of the blades in the direction from the inner to the outer rim, mainly from 0.9 to 1.7, the length of the blades, mainly from 1.1 to 1, 5 blade lengths.
  • the radius of curvature of the blades is determined by the intended mode of operation of the rotor installation, namely, the type of fluid, its flow rate, and the geometric characteristics of the rotor installation.
  • FIG. 1 is a perspective view of an embodiment of a rotor without an outer rim
  • FIG. 2 Perspective image made in the form of part of a cylindrical surface of the shape of the blade used in the claimed invention
  • FIG. 3 is a schematic representation of a part of the surface of a truncated cone of the shape of the surface of the blade used in the claimed invention
  • FIG. 4 Schematic top view of the inner rim depicted with one blade in side view and one blade in top view,
  • FIG. 5a is a schematic representation of the location of the possible positions of the midline of the blade along its direction
  • FIG. 5b is a schematic representation of the location of the possible positions of the midline of the blade across its direction
  • FIG. 6 is a perspective view of a rotor installation according to the invention with an outer rim.
  • FIG. 1 shows a perspective view of a rotor 12 of a rotor installation for converting the energy of fluids flowing in the direction of the arrow 22, having an inner rim 2 mounted rotatably on the shaft 1 and rigid blades 3 mounted on the outer side of the inner rim 2 distributed equidistantly around the circumference of the inner rim 2.
  • the surfaces of the blades 3 are formed by the surfaces of the cylinders truncated along the axis, and each blade 3 has two opposite arcuate sections and two opposite intersection sections the front and back surfaces of the blade, and the intersection areas of these surfaces form the front and rear edges, respectively, and the arched sections form the inner and outer edges of the blade 3 and are located radially and at different distances with respect to the axis 15 of the shaft 1.
  • Dashed lines in FIG. 1 shows a part of the housing 30 of the rotary installation, which is made in the form of an opening with tapering inner edges, in which the rotor 12 is mounted with the possibility of its rotation on the shaft 1.
  • the shape of the housing 30 of the rotary installation can vary, or the rotary installation can be used without the housing 30.
  • FIG. 2 perspective view shows a Za blade formed by intersecting the front surface 5 and the rear surface 7 of the Za blade, both of which the surfaces are curved in one direction and formed by the surfaces of the cylinders truncated along the axis and form the leading edge 14 and the trailing edge 16 of the Za blade, and the inner rib 17 and the outer rib 18 that are curved in a circle with the radius of curvature of the blade Za forming the two remaining sides of the quadrangular Za blade.
  • the front surface 5 is formed by the movement of the generatrix along the guide along a cylindrical surface with a radius Ra described around the axis 21 of the first cylinder
  • the rear surface 7 of the blade Za is formed by a second cylindrical surface with an identical radius Ra, and the axis of this second cylindrical surface is offset relative to the axis of the first cylindrical surface in side of the blade behind 10% radius Ra.
  • the magnitude of this bias may be from 5 to 15% of the radius Ra.
  • the intersection of the bodies of revolution of the first and second cylinders forms the surface of the blade For with the front edge 14 and the trailing edge 16 of the blade.
  • the cylindrical surfaces of the vanes may be formed by the surfaces of two cylinders with different radii.
  • the Za blade is made of hard material that can retain its shape, for example, of hard plastic or metal.
  • This form of execution of the blades Za allows you to produce blades by stamping a rectangular sheet of hard material while maintaining its final shape after the processing process.
  • sheet metal or sheet plastic may be used as the material.
  • the dashed line shows the chord 10 of the profile of the blade Za connecting the front edge 14 and the trailing edge 16 of the blade Za at a right angle. Since the surface of the blade 3 is formed by the surface of the cylinder truncated along the axis, the chords 10 of the profile of each blade Za are located in the same plane.
  • the dash-dotted line in FIG. 2 shows the median line 1 1 located in the middle between the front and rear edges 14 and 16 of the blade Za in the plane in which the chords 10 are located.
  • the median line 11 is parallel to the front and rear edges 14 and 16.
  • FIG. 2 in FIG. Figure 3 shows the surfaces of the blades 3b formed by the surface of a truncated cone truncated along the axis.
  • the front surface of the blade Zb shown in FIG. 3 moves along an axis with varying radii of curvature Rbl and Rb2, forming arcs of the cross section of a truncated cone.
  • FIG. 4 a top view schematically shows the inner rim 2, which is made conical with the apex of the cone directed against the direction of motion of the fluid 22.
  • the inner rim 2 is rotatably mounted on the shaft 1.
  • the midline 11 of the blade 3 and the axis 19, which is the axis of the generatrix, are shown perpendicular to the image plane th surface of the blade 3 of a cylinder with radius Ra.
  • Za blade Parallel to the image plane, there is another Za blade with an axis 19a, which is the axis of a cylinder of radius Ra forming the surface of the Za blade and its corresponding midline Pa.
  • the remaining blades are not shown in this figure.
  • the angle of inclination of the plane formed by the chords 10 of the profile of the blade 3 to the axis of rotation 15 of the rotor is 35 ° and can range from 5 ° to 43 ° depending on the parameters of the fluid used.
  • the radius of curvature of the surfaces of the blades 3 is 1, 3 of the length of the blades 3 from the inner edge 17 to the outer edge 18 along the midline I.
  • FIG. 5a schematically shows the axis 15 of the shaft 1 and the location relative to this axis located in the middle between the front and rear edges 14 and 16 of the blade 3 of the median line 11 shown in FIG. 2.
  • the median line 11 can pass through the axis of rotation of the shaft 1 perpendicular to it, as indicated by the position Pa, and can also be located on one or the other side of this axis at an angle of up to 15 °, as shown by the positions l ib and 1 1raum, moreover, this angle is measured between the median line 11 and its projection onto a plane passing through the axis of rotation 15 of the shaft 1 and the middle of the outer rib 18 of the blade 3.
  • FIG. 5b shows three examples of possible positions of the midline AND, respectively, of their projections onto a plane passing through the axis 15 of rotation of the shaft
  • the angle between the projection of the median line 1 1 on this plane and the axis of rotation of the shaft 1 is 90 ° for the projection He and can deviate from this position by a maximum of 25 ° to one or the other side as indicated for the projections of the midline 1 Id and 11 f.
  • I I indicate only the possible location of the blade 3 relative to the axis 15 of the shaft 1 in relation to all the blades 3 of the rotor 12 at the same time.
  • all of the blades 3 can be oriented perpendicular to the axis of the shaft 1, and the median line will pass through this axis 15 of the shaft 1.
  • This situation corresponds to the position of the median line 11, indicated by position 11a in FIG. 5a and position 11e in FIG. 5b. If the same blades 3 are executed deflected backwards, i.e. in the direction of fluid movement, by 15 °, then this position of the blades will correspond to the position of the midline 1 1 shown in FIG. 5a as 1 1a, and in FIG. 5b - as 1 1 f.
  • FIG. 6 shows a partial section in perspective of the inventive rotor, in which, in contrast to the embodiment depicted in FIG. 1, on the outer edge 18 of the blades 3, an outer rim 20 is fixed, made across the entire width of the blades in the form of a pipe segment of a cylindrical shape.
  • the width of the outer rim 20 may be wider than the distance between the leading and trailing edges 14, 16 of the blade 3 and protruding from the leading or trailing edges 14, 16 to one and / or the other side, respectively.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Wind Motors (AREA)

Abstract

L'invention concerne une installation à rotor pour convertir l'énergie de milieux en écoulement. Cette installation à rotor comprend un disque interne (2) capable de rotation sur un arbre (1), ainsi que des pales rigides (3) connectées sur le côté externe du disque interne (2). Les surfaces avant et arrière (5, 7) des pales (3) possèdent des surfaces identiques qui sont incurvées dans une même direction. Les surfaces (5, 7) des pales (3) sont formées par une surface d'un cylindre tronqué le long de l'axe ou tronqué le long de l'axe d'un cône tronqué, et l'angle d'inclinaison du plan formé par les cordes (10) du profil de chaque pale (3) par rapport à l'axe de l'arbre (1) varie de 5° à 43°. L'angle entre la projection de la ligne autour de laquelle s'inscrit le rayon de l'arc formant la surface de la pale sur un plan parallèle à cette ligne et passant par l'axe de rotation du rotor, et l'axe de rotation du rotor varie de 75° à 90°.
PCT/UA2013/000148 2013-12-13 2013-12-13 Rotor d'installation pour convertir l'énergie de milieux en écoulement WO2015088465A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/UA2013/000148 WO2015088465A1 (fr) 2013-12-13 2013-12-13 Rotor d'installation pour convertir l'énergie de milieux en écoulement
EA201691234A EA201691234A1 (ru) 2013-12-13 2013-12-13 Ротор установки для преобразования энергии текучих сред

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/UA2013/000148 WO2015088465A1 (fr) 2013-12-13 2013-12-13 Rotor d'installation pour convertir l'énergie de milieux en écoulement

Publications (1)

Publication Number Publication Date
WO2015088465A1 true WO2015088465A1 (fr) 2015-06-18

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1589A (en) * 1840-05-08 Improvement in tub water-wheels
US20070013196A1 (en) 2005-07-14 2007-01-18 Chen Shih H Wind Power Generator
WO2007057021A1 (fr) * 2005-11-21 2007-05-24 L.M. Glasfiber S/A Centrale eolienne avec jeu supplementaire d’aubes
US7775760B1 (en) * 2009-07-02 2010-08-17 Finnell Alfred W Turbine wheel
US20110070083A1 (en) * 2009-09-19 2011-03-24 Salomo Murtonen Streamlined Wind Turbine Optimized for Laminar Layer
US20130315732A1 (en) * 2012-05-24 2013-11-28 Richard K. Sutz Horizontal axis wind machine with multiple rotors
WO2014035358A1 (fr) * 2012-08-27 2014-03-06 Товариство 3 Обмежемою Вiдповiдальнicтю "Антанта Eко" Système de conversion de l'énergie de fluides

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1589A (en) * 1840-05-08 Improvement in tub water-wheels
US20070013196A1 (en) 2005-07-14 2007-01-18 Chen Shih H Wind Power Generator
WO2007057021A1 (fr) * 2005-11-21 2007-05-24 L.M. Glasfiber S/A Centrale eolienne avec jeu supplementaire d’aubes
US7775760B1 (en) * 2009-07-02 2010-08-17 Finnell Alfred W Turbine wheel
US20110070083A1 (en) * 2009-09-19 2011-03-24 Salomo Murtonen Streamlined Wind Turbine Optimized for Laminar Layer
US20130315732A1 (en) * 2012-05-24 2013-11-28 Richard K. Sutz Horizontal axis wind machine with multiple rotors
WO2014035358A1 (fr) * 2012-08-27 2014-03-06 Товариство 3 Обмежемою Вiдповiдальнicтю "Антанта Eко" Système de conversion de l'énergie de fluides

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Publication number Publication date
EA201691234A1 (ru) 2016-10-31

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