FR3023329B1 - Stator ondule pour diminuer le bruit cree par l'interaction avec un rotor - Google Patents
Stator ondule pour diminuer le bruit cree par l'interaction avec un rotor Download PDFInfo
- Publication number
- FR3023329B1 FR3023329B1 FR1456411A FR1456411A FR3023329B1 FR 3023329 B1 FR3023329 B1 FR 3023329B1 FR 1456411 A FR1456411 A FR 1456411A FR 1456411 A FR1456411 A FR 1456411A FR 3023329 B1 FR3023329 B1 FR 3023329B1
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- France
- Prior art keywords
- stator
- radial
- face
- corrugations
- assembly according
- 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.)
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- 230000004323 axial length Effects 0.000 claims abstract description 3
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- 230000001141 propulsive effect Effects 0.000 description 1
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Classifications
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- 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
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
-
- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/04—Antivibration arrangements
-
- 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
- F01D5/02—Blade-carrying members, e.g. rotors
-
- 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
-
- 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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
- F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using blades
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
- F04D29/542—Bladed diffusers
- F04D29/544—Blade shapes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
- F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
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- 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
- F05D2220/00—Application
- F05D2220/30—Application in turbines
-
- 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
- F05D2240/10—Stators
- F05D2240/12—Fluid guiding means, e.g. vanes
- F05D2240/121—Fluid guiding means, e.g. vanes related to the leading edge of a stator vane
-
- 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
- F05D2240/10—Stators
- F05D2240/12—Fluid guiding means, e.g. vanes
- F05D2240/122—Fluid guiding means, e.g. vanes related to the trailing edge of a stator vane
-
- 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
- F05D2240/10—Stators
- F05D2240/12—Fluid guiding means, e.g. vanes
- F05D2240/123—Fluid guiding means, e.g. vanes related to the pressure side of a stator vane
-
- 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
- F05D2240/10—Stators
- F05D2240/12—Fluid guiding means, e.g. vanes
- F05D2240/124—Fluid guiding means, e.g. vanes related to the suction side of a stator vane
-
- 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
- F05D2250/10—Two-dimensional
- F05D2250/18—Two-dimensional patterned
- F05D2250/184—Two-dimensional patterned sinusoidal
-
- 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
- F05D2250/60—Structure; Surface texture
- F05D2250/61—Structure; Surface texture corrugated
- F05D2250/611—Structure; Surface texture corrugated undulated
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- 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
- F05D2260/00—Function
- F05D2260/96—Preventing, counteracting or reducing vibration or noise
- F05D2260/961—Preventing, counteracting or reducing vibration or noise by mistuning rotor blades or stator vanes with irregular interblade spacing, airfoil shape
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Geometry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims (8)
- Revendications1. Ensemble comprenant un ou plusieurs rotors (2) partageant te même axe de rotation (LL) et au moins un stator (1) agencé pour être placé de manière radiale dans un écoulement traversant te ou lesdits rotors (2), en aval ou en amont de ceux-ci, ledit stator (1) présentant un bord d’attaque (11) et un bord de fuite (12), lesdits bord d’attaque (11) et bord de fuite (12) étant raccordés par une face intrados (10) et une face extrados (9), caractérisé en ce que l’une au moins des faces (9, 10) dudit stator présente des ondulations radiales s’étendant axiatement du bord d’attaque (11) au bord de fuite (12), lesdites ondulations radiales présentant au moins deux bosses (B) dans la même direction d'azimut dont l’amplitude est d’au moins un centimètre sur au moins une partie de la longueur axiale du stator (1), et en ce que, le défilement du stator (1) dans ledit écoulement créant sur ladite face ondulée (9, 10) des fluctuations de pression présentant des oscillations de la phase temporelle en fonction de la position radiale (R), tes ondulations radiales de ladite face (9,10) présentent des maxima et/ou des minima en azimut à proximité des zones de déphasage moyen nul pour la pression sur la face ondulée (9, 10),
- 2. Ensemble selon la revendication précédente, dans lequel les ondulations radiales ont une longueur d’onde sensiblement constante suivant l’extension radiale du stator.
- 3. Ensemble selon l’une des revendications précédentes, dans lequel l’amplitude des bosses (B) des ondulations radiales est maintenue supérieure à un centimètre du bord d’attaque (11) au bord de fuite (12).
- 4. Ensemble selon l’une des revendications précédentes, dans lequel la face intrados (10) et la face extrados (9) présentent des ondulations radiales.
- 5. Ensemble selon la revendication précédente, dans lequel les ondulations des deux faces (9, 10) sont radiaiement en phase.
- 8. Ensemble selon l’une des revendications précédentes, comportant une âme (18) agencée pour assurer la tenue mécanique dudit stator et une peau (19) formant les ondulations radiales sur ladite au moins une des faces (9, 10).
- 7. Ensemble selon la revendication précédente, dans lequel les ondulations radiales se propagent axialement en suivant des lignes de courant moyen dans ledit écoulement.
- 8. Turbomachine comportant un ensemble selon l’une des revendications 1 à 7, dans lequel une couronne d’aubes fixes (1) de guidage forme lesdits stators.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1456411A FR3023329B1 (fr) | 2014-07-03 | 2014-07-03 | Stator ondule pour diminuer le bruit cree par l'interaction avec un rotor |
US14/790,964 US10358938B2 (en) | 2014-07-03 | 2015-07-02 | Undulating stator for reducing the noise produced by interaction with a rotor |
GB1511726.0A GB2529757B (en) | 2014-07-03 | 2015-07-03 | Undulating stator for reducing the noise produced by interaction with a rotor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1456411 | 2014-07-03 | ||
FR1456411A FR3023329B1 (fr) | 2014-07-03 | 2014-07-03 | Stator ondule pour diminuer le bruit cree par l'interaction avec un rotor |
Publications (2)
Publication Number | Publication Date |
---|---|
FR3023329A1 FR3023329A1 (fr) | 2016-01-08 |
FR3023329B1 true FR3023329B1 (fr) | 2019-08-02 |
Family
ID=51352678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1456411A Active FR3023329B1 (fr) | 2014-07-03 | 2014-07-03 | Stator ondule pour diminuer le bruit cree par l'interaction avec un rotor |
Country Status (3)
Country | Link |
---|---|
US (1) | US10358938B2 (fr) |
FR (1) | FR3023329B1 (fr) |
GB (1) | GB2529757B (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3217018B1 (fr) * | 2014-11-04 | 2020-09-16 | Mitsubishi Electric Corporation | Ventilateur hélicoïde, dispositif de ventilateur hélicoïde, et unité extérieure pour dispositif de conditionnement d'air |
FR3043428B1 (fr) * | 2015-11-10 | 2020-05-29 | Safran Aircraft Engines | Aube de redresseur de turbomachine |
GB2544526B (en) * | 2015-11-20 | 2019-09-18 | Rolls Royce Plc | Gas turbine engine |
US20170198793A1 (en) * | 2016-01-07 | 2017-07-13 | Caterpillar Inc. | Torque converters and methods for assembling the same |
US10578126B2 (en) * | 2016-04-26 | 2020-03-03 | Acme Engineering And Manufacturing Corp. | Low sound tubeaxial fan |
FR3062432B1 (fr) * | 2017-01-30 | 2020-11-13 | Safran Aircraft Engines | Profil ameliore de bord d'attaque d'aubes |
CN109114019A (zh) * | 2017-06-23 | 2019-01-01 | 博格华纳公司 | 轴向风扇 |
US20190078450A1 (en) * | 2017-09-08 | 2019-03-14 | United Technologies Corporation | Inlet guide vane having a varied trailing edge geometry |
FR3073016B1 (fr) * | 2017-10-30 | 2019-10-18 | Safran Aircraft Engines | Modulation des serrations en extremite d'aube |
FR3078101B1 (fr) * | 2018-02-16 | 2020-11-27 | Safran Aircraft Engines | Turbomachine a bec de separation de flux a profil en serrations |
WO2020161943A1 (fr) | 2019-02-07 | 2020-08-13 | 株式会社Ihi | Procédé de conception de pale pour soufflante à flux axial, compresseur et turbine, et pale obtenue au moyen de ladite conception |
GB202216057D0 (en) * | 2022-10-31 | 2022-12-14 | Rolls Royce Plc | Flow splitter |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3572962A (en) * | 1969-06-02 | 1971-03-30 | Canadian Patents Dev | Stator blading for noise reduction in turbomachinery |
US3745629A (en) * | 1972-04-12 | 1973-07-17 | Secr Defence | Method of determining optimal shapes for stator blades |
US4720239A (en) * | 1982-10-22 | 1988-01-19 | Owczarek Jerzy A | Stator blades of turbomachines |
JP2003227302A (ja) * | 2002-02-04 | 2003-08-15 | Ishikawajima Harima Heavy Ind Co Ltd | 伴流混合促進翼 |
US8083487B2 (en) * | 2007-07-09 | 2011-12-27 | General Electric Company | Rotary airfoils and method for fabricating same |
US8573541B2 (en) * | 2010-09-13 | 2013-11-05 | John Sullivan | Wavy airfoil |
FR2983261B1 (fr) * | 2011-11-24 | 2014-11-28 | Aircelle Sa | Aube de redressement de flux d'air pour moteur d'aeronef et structure de redressement de flux associee |
US9121294B2 (en) * | 2011-12-20 | 2015-09-01 | General Electric Company | Fan blade with composite core and wavy wall trailing edge cladding |
US9249666B2 (en) * | 2011-12-22 | 2016-02-02 | General Electric Company | Airfoils for wake desensitization and method for fabricating same |
AU2013302323A1 (en) * | 2012-08-16 | 2015-04-02 | Adelaide Research & Innovation Pty Ltd | Improved wing configuration |
-
2014
- 2014-07-03 FR FR1456411A patent/FR3023329B1/fr active Active
-
2015
- 2015-07-02 US US14/790,964 patent/US10358938B2/en active Active
- 2015-07-03 GB GB1511726.0A patent/GB2529757B/en active Active
Also Published As
Publication number | Publication date |
---|---|
US10358938B2 (en) | 2019-07-23 |
GB2529757B (en) | 2021-04-28 |
GB201511726D0 (en) | 2015-08-19 |
FR3023329A1 (fr) | 2016-01-08 |
US20160003095A1 (en) | 2016-01-07 |
GB2529757A (en) | 2016-03-02 |
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