FR2914020B1 - Procede pour reduire les emissions sonores a l'arriere d'un turbomoteur et turbomoteur perfectionne par le procede - Google Patents

Procede pour reduire les emissions sonores a l'arriere d'un turbomoteur et turbomoteur perfectionne par le procede

Info

Publication number
FR2914020B1
FR2914020B1 FR0702127A FR0702127A FR2914020B1 FR 2914020 B1 FR2914020 B1 FR 2914020B1 FR 0702127 A FR0702127 A FR 0702127A FR 0702127 A FR0702127 A FR 0702127A FR 2914020 B1 FR2914020 B1 FR 2914020B1
Authority
FR
France
Prior art keywords
turbomoteur
perfected
reducing
sound emissions
emissions
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.)
Expired - Fee Related
Application number
FR0702127A
Other languages
English (en)
Other versions
FR2914020A1 (fr
Inventor
Franck Crosta
Damien Prat
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.)
Airbus Operations SAS
Original Assignee
Airbus Operations 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 Airbus Operations SAS filed Critical Airbus Operations SAS
Priority to FR0702127A priority Critical patent/FR2914020B1/fr
Priority to US12/532,397 priority patent/US8607452B2/en
Priority to PCT/FR2008/000348 priority patent/WO2008129177A1/fr
Publication of FR2914020A1 publication Critical patent/FR2914020A1/fr
Application granted granted Critical
Publication of FR2914020B1 publication Critical patent/FR2914020B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
    • F02K1/78—Other construction of jet pipes
    • F02K1/82—Jet pipe walls, e.g. liners
    • F02K1/827—Sound absorbing structures or liners
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/80—Repairing, retrofitting or upgrading methods
    • 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
    • F05D2250/70—Shape
    • F05D2250/71—Shape curved
    • F05D2250/711—Shape curved convex
    • 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
    • F05D2250/70—Shape
    • F05D2250/71—Shape curved
    • F05D2250/712—Shape curved concave
    • 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
    • F05D2250/70—Shape
    • F05D2250/71—Shape curved
    • F05D2250/713—Shape curved inflexed
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making
    • Y10T29/4932—Turbomachine making

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)
FR0702127A 2007-03-23 2007-03-23 Procede pour reduire les emissions sonores a l'arriere d'un turbomoteur et turbomoteur perfectionne par le procede Expired - Fee Related FR2914020B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR0702127A FR2914020B1 (fr) 2007-03-23 2007-03-23 Procede pour reduire les emissions sonores a l'arriere d'un turbomoteur et turbomoteur perfectionne par le procede
US12/532,397 US8607452B2 (en) 2007-03-23 2008-03-17 Method for reducing sound output at the back of a turbo engine and turbo engine improved by this method
PCT/FR2008/000348 WO2008129177A1 (fr) 2007-03-23 2008-03-17 Procédé pour réduire les émissions sonores à l'arrière d'un turbomoteur et turbomoteur perfectionné par le procédé

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0702127A FR2914020B1 (fr) 2007-03-23 2007-03-23 Procede pour reduire les emissions sonores a l'arriere d'un turbomoteur et turbomoteur perfectionne par le procede

Publications (2)

Publication Number Publication Date
FR2914020A1 FR2914020A1 (fr) 2008-09-26
FR2914020B1 true FR2914020B1 (fr) 2009-04-24

Family

ID=38750339

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0702127A Expired - Fee Related FR2914020B1 (fr) 2007-03-23 2007-03-23 Procede pour reduire les emissions sonores a l'arriere d'un turbomoteur et turbomoteur perfectionne par le procede

Country Status (3)

Country Link
US (1) US8607452B2 (fr)
FR (1) FR2914020B1 (fr)
WO (1) WO2008129177A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2953490B1 (fr) * 2009-12-07 2012-02-24 Aircelle Sa Ensemble arriere de nacelle pour turboreacteur
FR2971015B1 (fr) * 2011-02-01 2015-02-27 Snecma Tuyere d'ejection pour turboreacteur d'avion a double flux separes a capot secondaire deployable et corps central retractable
FR2983917B1 (fr) * 2011-12-07 2013-12-27 Snecma Tuyere convergente-divergente de turbomachine
FR2986831A1 (fr) * 2012-02-10 2013-08-16 Snecma Procede pour definir la forme d'une tuyere convergente-divergente d'une turbomachine et tuyere convergente-divergente correspondante.
FR3092871B1 (fr) * 2019-02-15 2022-02-25 Airbus Operations Sas Procede d’assemblage d’une entree d’air d’un turboreacteur d’aeronef
FR3105551A1 (fr) 2019-12-20 2021-06-25 Airbus Operations Cône de sortie d’un ensemble propulsif d’aéronef formant un système de traitement acoustique à au moins deux degrés de liberté

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5167118A (en) * 1989-11-06 1992-12-01 Nordam Jet engine fixed plug noise suppressor
US6658839B2 (en) * 2002-02-28 2003-12-09 The Boeing Company Convergent/divergent segmented exhaust nozzle
FR2885955B1 (fr) * 2005-05-18 2007-06-22 Airbus France Sas Procede pour reduire les emissions sonores a l'arriere d'un turbomoteur et turbomoteur ainsi perfectionne.

Also Published As

Publication number Publication date
FR2914020A1 (fr) 2008-09-26
WO2008129177A1 (fr) 2008-10-30
US8607452B2 (en) 2013-12-17
US20100107597A1 (en) 2010-05-06

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Legal Events

Date Code Title Description
CA Change of address

Effective date: 20110916

CD Change of name or company name

Owner name: AIRBUS HOLDING, FR

Effective date: 20110916

CJ Change in legal form

Effective date: 20110916

TP Transmission of property

Owner name: AIRBUS HOLDING, FR

Effective date: 20110913

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Year of fee payment: 9

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ST Notification of lapse

Effective date: 20221105