FR3027623B1 - Aube mobile de rotor a reponse acoustique reduite - Google Patents
Aube mobile de rotor a reponse acoustique reduite Download PDFInfo
- Publication number
- FR3027623B1 FR3027623B1 FR1460203A FR1460203A FR3027623B1 FR 3027623 B1 FR3027623 B1 FR 3027623B1 FR 1460203 A FR1460203 A FR 1460203A FR 1460203 A FR1460203 A FR 1460203A FR 3027623 B1 FR3027623 B1 FR 3027623B1
- Authority
- FR
- France
- Prior art keywords
- dawn
- acoustic response
- reduced acoustic
- mobile rotor
- blade
- 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.)
- Active
Links
Classifications
-
- 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
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/288—Protective coatings for blades
-
- 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
-
- 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
- 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
- F01D5/16—Form or construction for counteracting blade vibration
-
- 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
-
- 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
-
- 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
- F05D2260/962—Preventing, counteracting or reducing vibration or noise by means of "anti-noise"
-
- 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)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1460203A FR3027623B1 (fr) | 2014-10-23 | 2014-10-23 | Aube mobile de rotor a reponse acoustique reduite |
US14/918,241 US10024176B2 (en) | 2014-10-23 | 2015-10-20 | Rotor blade with reduced acoustic response |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1460203A FR3027623B1 (fr) | 2014-10-23 | 2014-10-23 | Aube mobile de rotor a reponse acoustique reduite |
Publications (2)
Publication Number | Publication Date |
---|---|
FR3027623A1 FR3027623A1 (fr) | 2016-04-29 |
FR3027623B1 true FR3027623B1 (fr) | 2021-05-28 |
Family
ID=52102890
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1460203A Active FR3027623B1 (fr) | 2014-10-23 | 2014-10-23 | Aube mobile de rotor a reponse acoustique reduite |
Country Status (2)
Country | Link |
---|---|
US (1) | US10024176B2 (fr) |
FR (1) | FR3027623B1 (fr) |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3741285A (en) * | 1968-07-09 | 1973-06-26 | A Kuethe | Boundary layer control of flow separation and heat exchange |
US4318669A (en) * | 1980-01-07 | 1982-03-09 | The United States Of America As Represented By The Secretary Of The Air Force | Vane configuration for fluid wake re-energization |
US4720239A (en) * | 1982-10-22 | 1988-01-19 | Owczarek Jerzy A | Stator blades of turbomachines |
DK174319B1 (da) * | 2000-06-20 | 2002-12-02 | Lm Glasfiber As | Vindmøllevinge med støjdæmpningsmidler |
DE102004009755A1 (de) * | 2004-02-28 | 2005-09-15 | Mtu Aero Engines Gmbh | Gasturbinenschaufel |
US8333552B2 (en) * | 2008-06-20 | 2012-12-18 | General Electric Company | Combined acoustic absorber and heat exchanging outlet guide vanes |
FR2937078B1 (fr) * | 2008-10-13 | 2011-09-23 | Snecma | Aube de turbine a performances aerodynamiques ameliorees. |
US20120103430A1 (en) * | 2010-10-27 | 2012-05-03 | Zuei-Ling Lin | Method of reducing the object-traveling resistance |
ES2535096T3 (es) * | 2012-12-19 | 2015-05-05 | MTU Aero Engines AG | Rejilla de álabe y turbomáquina |
US9581034B2 (en) * | 2013-03-14 | 2017-02-28 | Elliott Company | Turbomachinery stationary vane arrangement for disk and blade excitation reduction and phase cancellation |
DE102013206207A1 (de) * | 2013-04-09 | 2014-10-09 | MTU Aero Engines AG | Schaufelblatt für eine Strömungsmaschine mit Hinterkantenprofilierung, Schaufel und integral beschaufelter Rotor |
US10060441B2 (en) * | 2015-05-26 | 2018-08-28 | Pratt & Whitney Canada Corp. | Gas turbine stator with winglets |
-
2014
- 2014-10-23 FR FR1460203A patent/FR3027623B1/fr active Active
-
2015
- 2015-10-20 US US14/918,241 patent/US10024176B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20160115798A1 (en) | 2016-04-28 |
FR3027623A1 (fr) | 2016-04-29 |
US10024176B2 (en) | 2018-07-17 |
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Legal Events
Date | Code | Title | Description |
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PLFP | Fee payment |
Year of fee payment: 2 |
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PLSC | Publication of the preliminary search report |
Effective date: 20160429 |
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Year of fee payment: 4 |
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CD | Change of name or company name |
Owner name: SAFRAN AIRCRAFT ENGINES, FR Effective date: 20170719 |
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Year of fee payment: 5 |
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Year of fee payment: 6 |
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