CN107532514B - 用于涡轮发动机中的声衬 - Google Patents
用于涡轮发动机中的声衬 Download PDFInfo
- Publication number
- CN107532514B CN107532514B CN201580077612.3A CN201580077612A CN107532514B CN 107532514 B CN107532514 B CN 107532514B CN 201580077612 A CN201580077612 A CN 201580077612A CN 107532514 B CN107532514 B CN 107532514B
- Authority
- CN
- China
- Prior art keywords
- perforations
- axially
- acoustic liner
- inlet
- facing
- 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.)
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Classifications
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- 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
- F02C7/24—Heat or noise insulation
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- 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
- 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
-
- 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
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- 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
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/32—Application in turbines in gas turbines
- F05D2220/323—Application in turbines in gas turbines for aircraft propulsion, e.g. jet engines
-
- 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
- F05D2250/10—Two-dimensional
- F05D2250/11—Two-dimensional triangular
-
- 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
- F05D2250/10—Two-dimensional
- F05D2250/14—Two-dimensional elliptical
-
- 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
- F05D2250/20—Three-dimensional
- F05D2250/28—Three-dimensional patterned
- F05D2250/283—Three-dimensional patterned honeycomb
-
- 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
- F05D2260/963—Preventing, counteracting or reducing vibration or noise by Helmholtz resonators
-
- 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
Abstract
Description
Claims (18)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2015/019681 WO2016144331A1 (en) | 2015-03-10 | 2015-03-10 | Acoustic liners for use in a turbine engine |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107532514A CN107532514A (zh) | 2018-01-02 |
CN107532514B true CN107532514B (zh) | 2020-11-03 |
Family
ID=52774558
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201580077612.3A Active CN107532514B (zh) | 2015-03-10 | 2015-03-10 | 用于涡轮发动机中的声衬 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10961913B2 (zh) |
EP (1) | EP3268550B1 (zh) |
JP (1) | JP6634454B2 (zh) |
CN (1) | CN107532514B (zh) |
WO (1) | WO2016144331A1 (zh) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2540014B (en) * | 2015-05-19 | 2019-01-09 | Boeing Co | System and method for forming elongated perforations in an inner barrel section of an engine |
US10876479B2 (en) * | 2017-02-24 | 2020-12-29 | Mra Systems, Llc. | Acoustic liner having multiple layers |
US11059559B2 (en) | 2018-03-05 | 2021-07-13 | General Electric Company | Acoustic liners with oblique cellular structures |
US11047304B2 (en) | 2018-08-08 | 2021-06-29 | General Electric Company | Acoustic cores with sound-attenuating protuberances |
US10823059B2 (en) | 2018-10-03 | 2020-11-03 | General Electric Company | Acoustic core assemblies with mechanically joined acoustic core segments, and methods of mechanically joining acoustic core segments |
FR3089252B1 (fr) * | 2018-12-04 | 2022-06-24 | Safran Nacelles | Dispositif et procédé de dégivrage d'une entrée d'air d’une nacelle d'un turboréacteur d'aéronef |
FR3091670A1 (fr) * | 2019-01-15 | 2020-07-17 | Airbus Operations (S.A.S.) | Procédé de fabrication d’une structure acoustiquement résistive, structure acoustiquement résistive ainsi obtenue, panneau d’absorption acoustique comportant ladite structure acoustiquement résistive |
US11434819B2 (en) | 2019-03-29 | 2022-09-06 | General Electric Company | Acoustic liners with enhanced acoustic absorption and reduced drag characteristics |
US11480106B2 (en) | 2019-05-03 | 2022-10-25 | Raytheon Technologies Corporation | Acoustic liner with obliquely angled slots |
US20200392899A1 (en) * | 2019-06-14 | 2020-12-17 | Pratt & Whitney Canada Corp. | Acoustic treatment for aircraft engine |
CN110486169B (zh) * | 2019-09-17 | 2021-10-01 | 中国航发沈阳发动机研究所 | 一种消音板及具有其的声衬 |
US20210158792A1 (en) * | 2019-11-21 | 2021-05-27 | United Technologies Corporation | Composite skins having variable hole sizes and shapes formed using photomachining |
CN111456854A (zh) * | 2020-04-09 | 2020-07-28 | 中国航空工业集团公司西安飞机设计研究所 | 一种涡扇发动机短舱消声结构 |
CN111706433B (zh) * | 2020-05-11 | 2022-02-22 | 中国航发沈阳发动机研究所 | 一种声衬组合结构 |
US11668236B2 (en) | 2020-07-24 | 2023-06-06 | General Electric Company | Acoustic liners with low-frequency sound wave attenuating features |
CN114278459B (zh) * | 2020-09-28 | 2023-01-13 | 中国航发商用航空发动机有限责任公司 | 航空发动机、降噪声衬及其声衬孔板 |
CN112193399B (zh) * | 2020-11-17 | 2023-03-17 | 中航通飞华南飞机工业有限公司 | 一种带有大开口的球面气密端框 |
US11970992B2 (en) | 2021-06-03 | 2024-04-30 | General Electric Company | Acoustic cores and tools and methods for forming the same |
US11753968B2 (en) * | 2021-08-23 | 2023-09-12 | Rolls-Royce Deutschland Ltd & Co Kg | Nacelle cowling structure for a turbomachine |
US11834997B2 (en) * | 2022-04-29 | 2023-12-05 | Rtx Corporation | Face sheet of acoustic liner having streamlined holes with elongated edges |
US11965425B2 (en) | 2022-05-31 | 2024-04-23 | General Electric Company | Airfoil for a turbofan engine |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1988006970A1 (en) * | 1987-03-16 | 1988-09-22 | Hexcel Corporation | Formable honeycomb panel |
FR2823590A1 (fr) * | 2001-04-17 | 2002-10-18 | Eads Airbus Sa | Panneau d'attenuation acoustique comportant une couche resistive a composante structurale renforcee |
CN101149296A (zh) * | 2007-11-09 | 2008-03-26 | 北京航空航天大学 | 宽带降噪声衬及其制造方法 |
EP2253539A2 (en) * | 2009-05-19 | 2010-11-24 | Rolls-Royce plc | Breather duct shielding |
CN103953449A (zh) * | 2014-04-30 | 2014-07-30 | 北京大学 | 一种基于各向异性材料的航空发动机的降噪方法 |
Family Cites Families (20)
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US1918149A (en) | 1931-05-08 | 1933-07-11 | Burgess Lab Inc C F | Sound transmitting and sound absorbing construction |
US4612737A (en) | 1985-07-05 | 1986-09-23 | Rohr Industries, Inc. | Grit blast drilling of advanced composite perforated sheet |
US5041323A (en) | 1989-10-26 | 1991-08-20 | Rohr Industries, Inc. | Honeycomb noise attenuation structure |
JP2731706B2 (ja) | 1993-08-10 | 1998-03-25 | 株式会社ノザワ | レゾネータ型防音パネルの製造方法 |
US6021612A (en) * | 1995-09-08 | 2000-02-08 | C&D Technologies, Inc. | Sound absorptive hollow core structural panel |
JPH09170494A (ja) | 1995-12-20 | 1997-06-30 | Ishikawajima Harima Heavy Ind Co Ltd | 吸音ライナ |
JPH10331289A (ja) | 1997-06-05 | 1998-12-15 | Ig Tech Res Inc | 消音パネル |
US5965044A (en) | 1997-08-14 | 1999-10-12 | Northrop Grumman Corporation | Laser perforating process for producing an acoustical and structural microporous sheet |
JP3045294B1 (ja) | 1999-02-03 | 2000-05-29 | イソライト工業株式会社 | 吸音壁 |
GB0016149D0 (en) * | 2000-06-30 | 2000-08-23 | Short Brothers Plc | A noise attenuation panel |
FR2820715B1 (fr) | 2001-02-15 | 2003-05-30 | Eads Airbus Sa | Procede de degivrage d'un capot d'entree d'air de moteur a reaction et dispositif pour sa mise en oeuvre |
FR2844304B1 (fr) | 2002-09-10 | 2004-12-10 | Airbus France | Couche acoustiquement resistive pour panneau d'attenuation acoustique, panneau utilisant une telle couche |
US7540354B2 (en) | 2006-05-26 | 2009-06-02 | United Technologies Corporation | Micro-perforated acoustic liner |
DE102008026877B3 (de) | 2008-06-05 | 2009-07-23 | Airbus Deutschland Gmbh | Lufteinlass für ein Fahrzeug |
GB0914591D0 (en) | 2009-08-21 | 2009-09-30 | Rolls Royce Plc | Fluidfoil tip vortex disruption |
US8985942B2 (en) * | 2012-07-02 | 2015-03-24 | United Technologies Corporation | Turbine exhaust case duct |
US9135978B2 (en) * | 2012-07-11 | 2015-09-15 | Micron Technology, Inc. | Memory programming methods and memory systems |
DE102012219541A1 (de) * | 2012-10-25 | 2014-04-30 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Düse, Strukturelement und Verfahren zur Herstellung einer Düse |
US8869932B2 (en) * | 2012-12-19 | 2014-10-28 | Boyd L. Butler | Crossover muffler |
US10760600B2 (en) * | 2017-10-27 | 2020-09-01 | General Electric Company | Method of applying riblets to an aerodynamic surface |
-
2015
- 2015-03-10 JP JP2017545621A patent/JP6634454B2/ja active Active
- 2015-03-10 US US15/553,207 patent/US10961913B2/en active Active
- 2015-03-10 CN CN201580077612.3A patent/CN107532514B/zh active Active
- 2015-03-10 EP EP15712471.0A patent/EP3268550B1/en active Active
- 2015-03-10 WO PCT/US2015/019681 patent/WO2016144331A1/en active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1988006970A1 (en) * | 1987-03-16 | 1988-09-22 | Hexcel Corporation | Formable honeycomb panel |
FR2823590A1 (fr) * | 2001-04-17 | 2002-10-18 | Eads Airbus Sa | Panneau d'attenuation acoustique comportant une couche resistive a composante structurale renforcee |
CN101149296A (zh) * | 2007-11-09 | 2008-03-26 | 北京航空航天大学 | 宽带降噪声衬及其制造方法 |
EP2253539A2 (en) * | 2009-05-19 | 2010-11-24 | Rolls-Royce plc | Breather duct shielding |
CN103953449A (zh) * | 2014-04-30 | 2014-07-30 | 北京大学 | 一种基于各向异性材料的航空发动机的降噪方法 |
Also Published As
Publication number | Publication date |
---|---|
JP6634454B2 (ja) | 2020-01-22 |
US20180016987A1 (en) | 2018-01-18 |
US10961913B2 (en) | 2021-03-30 |
JP2018514678A (ja) | 2018-06-07 |
EP3268550A1 (en) | 2018-01-17 |
WO2016144331A1 (en) | 2016-09-15 |
EP3268550B1 (en) | 2021-10-13 |
CN107532514A (zh) | 2018-01-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information | ||
CB02 | Change of applicant information |
Address after: American Maryland Applicant after: MRA SYSTEMS, LLC Applicant after: General Electric Co. Address before: American Maryland Applicant before: MRA SYSTEMS, Inc. Applicant before: General Electric Co. Address after: American Maryland Applicant after: MRA SYSTEMS, Inc. Applicant after: General Electric Co. Address before: American Maryland Applicant before: MIDDLE RIVER AIRCRAFT SYSTEMS Applicant before: General Electric Co. |
|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210329 Address after: American Maryland Patentee after: MRA SYSTEMS, LLC Address before: American Maryland Patentee before: MRA SYSTEMS, LLC Patentee before: General Electric Co. |