FR2974225B1 - Structure insonorisante de type panneau acoustique notamment pour paroi interne de nacelle de turbomachine. - Google Patents

Structure insonorisante de type panneau acoustique notamment pour paroi interne de nacelle de turbomachine.

Info

Publication number
FR2974225B1
FR2974225B1 FR1153287A FR1153287A FR2974225B1 FR 2974225 B1 FR2974225 B1 FR 2974225B1 FR 1153287 A FR1153287 A FR 1153287A FR 1153287 A FR1153287 A FR 1153287A FR 2974225 B1 FR2974225 B1 FR 2974225B1
Authority
FR
France
Prior art keywords
acoustically
internal wall
soundproof structure
turbomachine nacelle
turbomachine
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
FR1153287A
Other languages
English (en)
Other versions
FR2974225A1 (fr
Inventor
Julien Tran
Christophe Jean-Francois Thorel
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
Safran Nacelles SAS
Original Assignee
Aircelle SA
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 Aircelle SA, SNECMA SAS filed Critical Aircelle SA
Priority to FR1153287A priority Critical patent/FR2974225B1/fr
Publication of FR2974225A1 publication Critical patent/FR2974225A1/fr
Application granted granted Critical
Publication of FR2974225B1 publication Critical patent/FR2974225B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
    • 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
    • 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
    • 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
    • F05D2230/60—Assembly methods
    • F05D2230/64—Assembly methods using positioning or alignment devices for aligning or centring, e.g. pins
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
FR1153287A 2011-04-15 2011-04-15 Structure insonorisante de type panneau acoustique notamment pour paroi interne de nacelle de turbomachine. Active FR2974225B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1153287A FR2974225B1 (fr) 2011-04-15 2011-04-15 Structure insonorisante de type panneau acoustique notamment pour paroi interne de nacelle de turbomachine.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1153287A FR2974225B1 (fr) 2011-04-15 2011-04-15 Structure insonorisante de type panneau acoustique notamment pour paroi interne de nacelle de turbomachine.

Publications (2)

Publication Number Publication Date
FR2974225A1 FR2974225A1 (fr) 2012-10-19
FR2974225B1 true FR2974225B1 (fr) 2014-09-19

Family

ID=44549062

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1153287A Active FR2974225B1 (fr) 2011-04-15 2011-04-15 Structure insonorisante de type panneau acoustique notamment pour paroi interne de nacelle de turbomachine.

Country Status (1)

Country Link
FR (1) FR2974225B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107407206A (zh) * 2015-03-16 2017-11-28 赛峰飞机发动机公司 包括配备有结合了风扇壳体加强件的声学衬板的风扇壳体的、用于飞行器涡轮发动机的组件

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2997725B1 (fr) * 2012-11-05 2018-03-02 Safran Aircraft Engines Carter de turbomachine
FR3070428B1 (fr) * 2017-08-24 2022-12-23 Safran Aircraft Engines Insert pour la fixation d'un composant sur un support de turbomachine
FR3070427B1 (fr) * 2017-08-24 2023-07-14 Safran Aircraft Engines Insert pour la fixation d'un composant sur un support de turbomachine
FR3100834B1 (fr) * 2019-09-12 2023-07-07 Safran Aircraft Engines Virole annulaire acoustique de turbomachine et procede de fabrication associe

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2498793A1 (fr) * 1981-01-29 1982-07-30 Snecma Garniture insonorisante pour conduit de gaz notamment pour veine de soufflante de turboreacteur et outillage pour sa fabrication
DE202005004259U1 (de) * 2005-03-15 2006-07-27 Carcoustics Tech Center Gmbh Blasgeformte, schallabsorbierende Motorabdeckung mit Oberflächendekor
DE202006016603U1 (de) * 2006-10-25 2007-03-15 Schnarr, Lothar Wandelement für Lärm- oder Schallschutzwände
US8028802B2 (en) * 2008-06-30 2011-10-04 General Electric Company Method and system for damped acoustic panels
DE102008037143A1 (de) * 2008-08-08 2010-02-11 Airbus Deutschland Gmbh Isolationsaufbau zum thermischen und akustischen Isolieren eines Luftfahrzeugs

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107407206A (zh) * 2015-03-16 2017-11-28 赛峰飞机发动机公司 包括配备有结合了风扇壳体加强件的声学衬板的风扇壳体的、用于飞行器涡轮发动机的组件
CN107407206B (zh) * 2015-03-16 2019-07-09 赛峰飞机发动机公司 飞行器涡轮发动机组件及包括该组件的飞行器涡轮发动机

Also Published As

Publication number Publication date
FR2974225A1 (fr) 2012-10-19

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Owner name: AIRCELLE, FR

Effective date: 20170717

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