FR2968048B1 - TURBOMACHINE TURBINE COMPRISING AN IMPROVED ELECTROACOUSTIC SOURCE, ROW OF OUTPUT GUIDELINES AND TURBOMACHINE COMPRISING SUCH A DAWN - Google Patents

TURBOMACHINE TURBINE COMPRISING AN IMPROVED ELECTROACOUSTIC SOURCE, ROW OF OUTPUT GUIDELINES AND TURBOMACHINE COMPRISING SUCH A DAWN

Info

Publication number
FR2968048B1
FR2968048B1 FR1059924A FR1059924A FR2968048B1 FR 2968048 B1 FR2968048 B1 FR 2968048B1 FR 1059924 A FR1059924 A FR 1059924A FR 1059924 A FR1059924 A FR 1059924A FR 2968048 B1 FR2968048 B1 FR 2968048B1
Authority
FR
France
Prior art keywords
turbomachine
dawn
row
turbine
electroacoustic source
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
Application number
FR1059924A
Other languages
French (fr)
Other versions
FR2968048A1 (en
Inventor
Alexandre Alfred Gaston Vuillemin
Jacques Michel Albert Julliard
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.)
Safran Aircraft Engines SAS
Original Assignee
SNECMA SAS
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 SNECMA SAS filed Critical SNECMA SAS
Priority to FR1059924A priority Critical patent/FR2968048B1/en
Publication of FR2968048A1 publication Critical patent/FR2968048A1/en
Application granted granted Critical
Publication of FR2968048B1 publication Critical patent/FR2968048B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F04D29/665—Sound attenuation by means of resonance chambers or interference
    • 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
    • F05B2260/00—Function
    • F05B2260/96—Preventing, counteracting or reducing vibration or noise
    • F05B2260/962—Preventing, counteracting or reducing vibration or noise by means creating "anti-noise"

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR1059924A 2010-11-30 2010-11-30 TURBOMACHINE TURBINE COMPRISING AN IMPROVED ELECTROACOUSTIC SOURCE, ROW OF OUTPUT GUIDELINES AND TURBOMACHINE COMPRISING SUCH A DAWN Active FR2968048B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1059924A FR2968048B1 (en) 2010-11-30 2010-11-30 TURBOMACHINE TURBINE COMPRISING AN IMPROVED ELECTROACOUSTIC SOURCE, ROW OF OUTPUT GUIDELINES AND TURBOMACHINE COMPRISING SUCH A DAWN

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1059924A FR2968048B1 (en) 2010-11-30 2010-11-30 TURBOMACHINE TURBINE COMPRISING AN IMPROVED ELECTROACOUSTIC SOURCE, ROW OF OUTPUT GUIDELINES AND TURBOMACHINE COMPRISING SUCH A DAWN

Publications (2)

Publication Number Publication Date
FR2968048A1 FR2968048A1 (en) 2012-06-01
FR2968048B1 true FR2968048B1 (en) 2017-10-20

Family

ID=43975176

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1059924A Active FR2968048B1 (en) 2010-11-30 2010-11-30 TURBOMACHINE TURBINE COMPRISING AN IMPROVED ELECTROACOUSTIC SOURCE, ROW OF OUTPUT GUIDELINES AND TURBOMACHINE COMPRISING SUCH A DAWN

Country Status (1)

Country Link
FR (1) FR2968048B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3068742B1 (en) * 2017-07-07 2021-09-10 Safran Aircraft Engines TURBOMACHINE VANE INCLUDING AN IMPROVED-MOUNTED ELECTROACOUSTIC SOURCE, ROW OF OUTPUT GUIDELINES AND TURBOMACHINE INCLUDING SUCH A VANE
FR3069850B1 (en) 2017-08-01 2019-11-22 Safran Aircraft Engines ACTIVE SYSTEM GENERATING DESTRUCTIVE ACOUSTIC INTERFERENCE FOR AIRCRAFT ENGINE WITH MULTIPLE BLOWER BODIES
FR3078107B1 (en) 2018-02-19 2020-07-31 Safran Aircraft Engines TURBOMACHINE NACELLE WITH ACOUSTICALLY POROUS WALLS

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5613649A (en) * 1994-07-21 1997-03-25 United Technologies Corporation Airfoil noise control
US5979593A (en) * 1997-01-13 1999-11-09 Hersh Acoustical Engineering, Inc. Hybrid mode-scattering/sound-absorbing segmented liner system and method
US6851930B2 (en) * 2002-09-19 2005-02-08 Motorola, Inc. Noise reduction in an air moving apparatus
ES2327696B2 (en) * 2006-10-11 2011-07-28 GAMESA INNOVATION & TECHNOLOGY, S.L. SYSTEM OF SUPPRESSION AND CANCELLATION OF NOISE IN AEROGENERATORS.

Also Published As

Publication number Publication date
FR2968048A1 (en) 2012-06-01

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