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FR3039517B1 - Structure d’attenuation acoustique a multiples degres d’attenuation pour ensemble propulsif d’aeronef - Google Patents

Structure d’attenuation acoustique a multiples degres d’attenuation pour ensemble propulsif d’aeronef Download PDF

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Publication number
FR3039517B1
FR3039517B1 FR1557431A FR1557431A FR3039517B1 FR 3039517 B1 FR3039517 B1 FR 3039517B1 FR 1557431 A FR1557431 A FR 1557431A FR 1557431 A FR1557431 A FR 1557431A FR 3039517 B1 FR3039517 B1 FR 3039517B1
Authority
FR
France
Prior art keywords
attenuation
multiple degrees
propulsive assembly
acoustic
sandwich panel
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
FR1557431A
Other languages
English (en)
Other versions
FR3039517A1 (fr
Inventor
Laurent Georges Valleroy
Marc VERSAEVEL
Bertrand Desjoyeaux
Patrick Gonidec
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 Nacelles SAS
Original Assignee
Safran Nacelles SAS
Aircelle SA
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 Safran Nacelles SAS, Aircelle SA filed Critical Safran Nacelles SAS
Priority to FR1557431A priority Critical patent/FR3039517B1/fr
Priority to PCT/FR2016/051970 priority patent/WO2017021628A1/fr
Publication of FR3039517A1 publication Critical patent/FR3039517A1/fr
Priority to US15/884,507 priority patent/US10875659B2/en
Application granted granted Critical
Publication of FR3039517B1 publication Critical patent/FR3039517B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D33/00—Arrangement in aircraft of power plant parts or auxiliaries not otherwise provided for
    • B64D33/04—Arrangement in aircraft of power plant parts or auxiliaries not otherwise provided for of exhaust outlets or jet pipes
    • B64D33/06—Silencing exhaust or propulsion jets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
    • B64D27/02—Aircraft characterised by the type or position of power plants
    • B64D27/16—Aircraft characterised by the type or position of power plants of jet type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D29/00—Power-plant nacelles, fairings or cowlings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D29/00—Power-plant nacelles, fairings or cowlings
    • B64D29/06—Attaching of nacelles, fairings or cowlings
    • 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
    • F02K1/54—Nozzles having means for reversing jet thrust
    • F02K1/64—Reversing fan flow
    • F02K1/70—Reversing fan flow using thrust reverser flaps or doors mounted on the fan housing
    • F02K1/72—Reversing fan flow using thrust reverser flaps or doors mounted on the fan housing the aft end of the fan housing being movable to uncover openings in the fan housing for the reversed flow
    • 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
    • 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
    • G10K11/162—Selection of materials
    • G10K11/168—Plural layers of different materials, e.g. sandwiches
    • 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)
  • Aviation & Aerospace Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention se rapporte notamment à une structure d'atténuation acoustique pour ensemble propulsif d'aéronef, comprenant une paroi acoustiquement réfléchissante et un panneau sandwich, le panneau sandwich comportant une structure alvéolaire encadrée par deux peaux acoustiquement poreuses, une peau arrière et une peau, la paroi acoustiquement réfléchissante et le panneau sandwich étant agencés de manière à être séparés par une couche d'air.
FR1557431A 2015-07-31 2015-07-31 Structure d’attenuation acoustique a multiples degres d’attenuation pour ensemble propulsif d’aeronef Active FR3039517B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR1557431A FR3039517B1 (fr) 2015-07-31 2015-07-31 Structure d’attenuation acoustique a multiples degres d’attenuation pour ensemble propulsif d’aeronef
PCT/FR2016/051970 WO2017021628A1 (fr) 2015-07-31 2016-07-28 Structure d'atténuation acoustique à multiples degrés d'atténuation pour ensemble propulsif d'aéronef
US15/884,507 US10875659B2 (en) 2015-07-31 2018-01-31 Acoustic attenuation structure with a plurality of attenuation degrees for a propulsion assembly of an aircraft

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1557431A FR3039517B1 (fr) 2015-07-31 2015-07-31 Structure d’attenuation acoustique a multiples degres d’attenuation pour ensemble propulsif d’aeronef
FR1557431 2015-07-31

Publications (2)

Publication Number Publication Date
FR3039517A1 FR3039517A1 (fr) 2017-02-03
FR3039517B1 true FR3039517B1 (fr) 2019-05-17

Family

ID=54329770

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1557431A Active FR3039517B1 (fr) 2015-07-31 2015-07-31 Structure d’attenuation acoustique a multiples degres d’attenuation pour ensemble propulsif d’aeronef

Country Status (3)

Country Link
US (1) US10875659B2 (fr)
FR (1) FR3039517B1 (fr)
WO (1) WO2017021628A1 (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016190753A1 (fr) 2015-05-25 2016-12-01 Dotterel Technologies Limited Carénage pour aéronef
CN110997486A (zh) * 2017-07-24 2020-04-10 多特瑞尔技术有限公司 护罩
FR3073571A1 (fr) * 2017-11-10 2019-05-17 Safran Nacelles Inverseur de poussee pour nacelle de turboreacteur d'aeronef et nacelle associee
US11432995B2 (en) 2018-08-29 2022-09-06 Leggett & Platt Canada Co. Pneumatic massage
US11883358B2 (en) 2018-03-05 2024-01-30 Leggett & Platt Canada Co. Pneumatic massage system
CN112513976A (zh) 2018-05-16 2021-03-16 多特瑞尔技术有限公司 用于音频捕获的系统和方法
US11039975B2 (en) 2018-08-29 2021-06-22 Leggett & Platt Canada Co. Pneumatic massage
US11174815B2 (en) 2018-09-14 2021-11-16 Rohr, Inc. Inlet deep cavity flutter liner
FR3086337B1 (fr) * 2018-09-20 2021-01-29 Safran Aircraft Engines Gestion acoustique, sur une turbomachine ou une nacelle
EP3853465B1 (fr) 2018-09-20 2022-07-27 Safran Aircraft Engines Gestion acoustique, sur une turbomachine ou une nacelle
FR3086338B1 (fr) 2018-09-20 2020-12-25 Safran Aircraft Engines Procede de preparation d'un support et de gestion acoustique, sur une turbomachine ou une nacelle
US11073105B2 (en) 2018-10-02 2021-07-27 Rohr, Inc. Acoustic torque box
FR3089567B1 (fr) 2018-12-07 2020-11-20 Safran Nacelles Inverseur de poussée muni d’un volet d’inversion de poussée allégé
FR3095674B1 (fr) * 2019-05-03 2021-04-16 Safran Aircraft Engines Grille d’inverseur de poussée incluant un traitement acoustique
FR3095673B1 (fr) * 2019-05-03 2021-04-16 Safran Aircraft Engines Grille d’inverseur de poussée incluant un traitement acoustique
US11591958B2 (en) 2019-06-14 2023-02-28 Pratt & Whitney Canada Corp. Turbofan engine with acoustic treatment
JP7297574B2 (ja) * 2019-07-12 2023-06-26 三菱重工業株式会社 ガスタービンシステムおよびそれを備えた移動体
US11680542B2 (en) * 2020-02-03 2023-06-20 Rohr, Inc. Thrust reverser door and method for making same
FR3132900A1 (fr) * 2022-02-23 2023-08-25 Safran Nacelles Dispositif d’absorption acoustique

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5041323A (en) * 1989-10-26 1991-08-20 Rohr Industries, Inc. Honeycomb noise attenuation structure
GB9014381D0 (en) * 1990-06-28 1990-08-22 Short Brothers Plc A composite structural component
DE69526615T2 (de) * 1994-09-14 2002-11-28 Mitsubishi Jukogyo K.K., Tokio/Tokyo Wandaufbau für die Austrittsdüse eines Überschall-Strahltriebwerks
US6371411B1 (en) * 1999-11-23 2002-04-16 The Boeing Company Method and apparatus for aircraft inlet ice protection
FR2804474B1 (fr) * 2000-01-27 2002-06-28 Hispano Suiza Sa Inverseur de poussee a grilles aubagees de deviation a structure arriere fixe
US7047725B2 (en) * 2003-05-28 2006-05-23 Rohr, Inc. Assembly and method for aircraft engine noise reduction
AT6393U3 (de) * 2003-06-02 2004-04-26 Avl List Gmbh Verfahren zur vorbereitung und durchführung von prüfstandsversuchen sowie palettenkonstruktion zur verwendung in einem derartigen verfahren
FR2887854B1 (fr) * 2005-06-30 2008-08-08 Airbus France Sas Nacelle pour aeronef et aeronef muni d'au moins une telle nacelle
US8910482B2 (en) * 2011-02-02 2014-12-16 The Boeing Company Aircraft engine nozzle
US10767596B2 (en) * 2017-07-26 2020-09-08 Raytheon Technologies Corporation Nacelle
FR3089207A1 (fr) * 2018-11-30 2020-06-05 Airbus Operations système de propulsion d’un aeronef comportant un capot mobile et articule

Also Published As

Publication number Publication date
US20180148187A1 (en) 2018-05-31
FR3039517A1 (fr) 2017-02-03
WO2017021628A1 (fr) 2017-02-09
US10875659B2 (en) 2020-12-29

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