DE2344214A1 - Schallabsorptionswand fuer gasturbinenmotoren - Google Patents

Schallabsorptionswand fuer gasturbinenmotoren

Info

Publication number
DE2344214A1
DE2344214A1 DE19732344214 DE2344214A DE2344214A1 DE 2344214 A1 DE2344214 A1 DE 2344214A1 DE 19732344214 DE19732344214 DE 19732344214 DE 2344214 A DE2344214 A DE 2344214A DE 2344214 A1 DE2344214 A1 DE 2344214A1
Authority
DE
Germany
Prior art keywords
perforated
sheet
sound absorption
imperforate
absorption wall
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.)
Pending
Application number
DE19732344214
Other languages
German (de)
English (en)
Inventor
James Harvey Mcclean
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.)
Short Brothers PLC
Original Assignee
Short Brothers and Harland Ltd
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 Short Brothers and Harland Ltd filed Critical Short Brothers and Harland Ltd
Publication of DE2344214A1 publication Critical patent/DE2344214A1/de
Pending legal-status Critical Current

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
    • F02C7/24—Heat or noise insulation

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)
DE19732344214 1972-09-01 1973-09-01 Schallabsorptionswand fuer gasturbinenmotoren Pending DE2344214A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4071972A GB1406844A (en) 1972-09-01 1972-09-01 Sound absorbing panels

Publications (1)

Publication Number Publication Date
DE2344214A1 true DE2344214A1 (de) 1974-03-14

Family

ID=10416282

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732344214 Pending DE2344214A1 (de) 1972-09-01 1973-09-01 Schallabsorptionswand fuer gasturbinenmotoren

Country Status (3)

Country Link
DE (1) DE2344214A1 (fr)
FR (1) FR2201010A5 (fr)
GB (1) GB1406844A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4531362A (en) * 1980-12-29 1985-07-30 Rolls-Royce Limited Aerodynamic damping of vibrations in rotor blades
CN102834318A (zh) * 2010-03-31 2012-12-19 波音公司 整体的发动机短舱结构
CN105469781A (zh) * 2014-09-04 2016-04-06 北京市劳动保护科学研究所 一种复合吸声结构

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK142710B (da) * 1977-11-10 1980-12-29 Elektronikcentralen Lydabsorberende struktur.
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
DE69019133T2 (de) * 1989-06-26 1996-01-04 Grumman Aerospace Corp Akustische beschichtung.
GB2236804A (en) * 1989-07-26 1991-04-17 Anthony Reginald Robins Compound nozzle
DE4131777A1 (de) * 1991-09-24 1993-03-25 Linde Ag Fluiddurchstroemter schalldaempfer
GB9816203D0 (en) * 1998-07-25 1998-09-23 T & N Composites Limited Improvements in and relating to composite materials
DE19952689A1 (de) * 1999-11-02 2001-05-03 Cww Gerko Akustik Gmbh & Co Kg Schalldämmwand und Verwendung derselben
DE20319319U1 (de) * 2003-12-12 2005-04-28 Carcoustics Tech Center Gmbh Schallabsorbierendes Hitzeschild
IT1394603B1 (it) * 2009-05-21 2012-07-05 Consiglio Per La Ricerca E La Sperimentazione In Agricoltura C R A Lamella per captare liquidi in gocce e banco di prova provvisto di tali lamelle.
FR2951854B1 (fr) * 2009-10-22 2014-09-12 Onera (Off Nat Aerospatiale) Dispositif d'absorption acoustique
US8474572B2 (en) * 2011-08-25 2013-07-02 General Electric Company Apparatus and method to attenuate vibration and acoustic noise
US9592918B2 (en) * 2014-06-23 2017-03-14 Rohr, Inc. Acoustic liner
UA106294U (uk) * 2015-10-02 2016-04-25 Державне Підприємство "Запорізьке Машинобудівне Конструкторське Бюро "Прогрес" Імені Академіка О.Г. Івченка" Звукоізоляційна панель газотурбінного двигуна
US9761216B2 (en) 2016-02-10 2017-09-12 Rohr, Inc. Acoustic panel with angled corrugated core structures
US9764818B2 (en) 2016-02-10 2017-09-19 Rohr, Inc. Structural, cellular core with corrugated support walls
US9704467B1 (en) * 2016-04-15 2017-07-11 Rohr, Inc. Acoustic panel with corrugated baffles and septums
US9978354B2 (en) 2016-04-15 2018-05-22 Rohr, Inc. Acoustic panel with vertical stiffeners
US20180135514A1 (en) * 2016-09-27 2018-05-17 General Electric Company Sound attenuating system for gas turbine engine
US11002294B2 (en) * 2016-10-07 2021-05-11 General Electric Comany Impact force dispersal assembly for turbine engines and methods of fabricating the same
US10316755B2 (en) * 2016-11-18 2019-06-11 Rohr, Inc. Acoustic panel with sidewall stringers
US10309305B2 (en) * 2016-11-18 2019-06-04 Rohr, Inc. Acoustic panel with sidewall stringers
US10414481B2 (en) 2017-02-14 2019-09-17 Rohr, Inc. Method for forming a structural panel
US10525636B2 (en) 2017-06-19 2020-01-07 Rohr, Inc. Process for forming a fiber-reinforced composite structure
US10436118B2 (en) 2017-06-19 2019-10-08 Rohr, Inc. Acoustic panel with folding chamber
US10676171B2 (en) 2017-08-18 2020-06-09 Rohr, Inc. Structural panel with splice joint between adjacent core structures
US10695986B2 (en) 2017-08-22 2020-06-30 Rohr, Inc. Method for forming a structural panel
US10994856B2 (en) 2017-10-16 2021-05-04 Rohr, Inc. Structural panel with splice joint between adjacent core structures
US10906659B2 (en) 2018-04-03 2021-02-02 Rohr, Inc. Structured panel with structural reinforcement(s)
US11242822B2 (en) * 2018-12-14 2022-02-08 Rohr, Inc. Structured panel with multi-panel structure(s)
US11398214B2 (en) 2018-12-14 2022-07-26 Rohr, Inc. Forming a structured panel with one or more structural reinforcements
US11572850B2 (en) 2019-06-04 2023-02-07 Rohr, Inc. Acoustic panel with one or more structural stiffeners
US11600255B2 (en) 2020-12-22 2023-03-07 Rohr, Inc. Acoustic panel core with multi-material and/or multi-layered construction
US12078125B2 (en) 2021-09-13 2024-09-03 Rohr, Inc. Low-frequency acoustic center body
CN114255724A (zh) * 2021-12-31 2022-03-29 南京光声超构材料研究院有限公司 吸隔声结构及装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4531362A (en) * 1980-12-29 1985-07-30 Rolls-Royce Limited Aerodynamic damping of vibrations in rotor blades
CN102834318A (zh) * 2010-03-31 2012-12-19 波音公司 整体的发动机短舱结构
CN102834318B (zh) * 2010-03-31 2016-01-20 波音公司 发动机短舱、装配筒体结构的方法及构造发动机短舱的内筒结构的方法
CN105469781A (zh) * 2014-09-04 2016-04-06 北京市劳动保护科学研究所 一种复合吸声结构

Also Published As

Publication number Publication date
FR2201010A5 (fr) 1974-04-19
GB1406844A (en) 1975-09-17

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