FR2970522B1 - TURBOREACTOR HAVING IMPROVED ACOUSTIC PERFORMANCE AND METHOD OF MANAGING NOISE IN SUCH A TURBOREACTOR - Google Patents

TURBOREACTOR HAVING IMPROVED ACOUSTIC PERFORMANCE AND METHOD OF MANAGING NOISE IN SUCH A TURBOREACTOR

Info

Publication number
FR2970522B1
FR2970522B1 FR1150389A FR1150389A FR2970522B1 FR 2970522 B1 FR2970522 B1 FR 2970522B1 FR 1150389 A FR1150389 A FR 1150389A FR 1150389 A FR1150389 A FR 1150389A FR 2970522 B1 FR2970522 B1 FR 2970522B1
Authority
FR
France
Prior art keywords
turboreactor
acoustic performance
improved acoustic
managing noise
managing
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
FR1150389A
Other languages
French (fr)
Other versions
FR2970522A1 (en
Inventor
Alexandre Alfred Gaston Vuillemin
Sebastien Pascal
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 FR1150389A priority Critical patent/FR2970522B1/en
Publication of FR2970522A1 publication Critical patent/FR2970522A1/en
Application granted granted Critical
Publication of FR2970522B1 publication Critical patent/FR2970522B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/04—Air intakes for gas-turbine plants or jet-propulsion plants
    • F02C7/045—Air intakes for gas-turbine plants or jet-propulsion plants having provisions for noise suppression
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K3/00—Plants including a gas turbine driving a compressor or a ducted fan
    • F02K3/02—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber
    • F02K3/04—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type
    • F02K3/06—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type with front fan
    • 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
    • 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
    • F05D2250/30—Arrangement of components
    • F05D2250/34—Arrangement of components translated
    • 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
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR1150389A 2011-01-18 2011-01-18 TURBOREACTOR HAVING IMPROVED ACOUSTIC PERFORMANCE AND METHOD OF MANAGING NOISE IN SUCH A TURBOREACTOR Active FR2970522B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1150389A FR2970522B1 (en) 2011-01-18 2011-01-18 TURBOREACTOR HAVING IMPROVED ACOUSTIC PERFORMANCE AND METHOD OF MANAGING NOISE IN SUCH A TURBOREACTOR

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1150389A FR2970522B1 (en) 2011-01-18 2011-01-18 TURBOREACTOR HAVING IMPROVED ACOUSTIC PERFORMANCE AND METHOD OF MANAGING NOISE IN SUCH A TURBOREACTOR

Publications (2)

Publication Number Publication Date
FR2970522A1 FR2970522A1 (en) 2012-07-20
FR2970522B1 true FR2970522B1 (en) 2014-06-13

Family

ID=44246597

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1150389A Active FR2970522B1 (en) 2011-01-18 2011-01-18 TURBOREACTOR HAVING IMPROVED ACOUSTIC PERFORMANCE AND METHOD OF MANAGING NOISE IN SUCH A TURBOREACTOR

Country Status (1)

Country Link
FR (1) FR2970522B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6139259A (en) * 1998-10-29 2000-10-31 General Electric Company Low noise permeable airfoil
GB2420157B (en) * 2003-05-14 2006-06-28 Rolls Royce Plc A stator vane assembly for a turbomachine
GB2410066A (en) * 2004-01-13 2005-07-20 Rolls Royce Plc A stator vane arrangement

Also Published As

Publication number Publication date
FR2970522A1 (en) 2012-07-20

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