FR2956513B1 - ACOUSTIC TREATMENT PANEL. - Google Patents

ACOUSTIC TREATMENT PANEL.

Info

Publication number
FR2956513B1
FR2956513B1 FR1051139A FR1051139A FR2956513B1 FR 2956513 B1 FR2956513 B1 FR 2956513B1 FR 1051139 A FR1051139 A FR 1051139A FR 1051139 A FR1051139 A FR 1051139A FR 2956513 B1 FR2956513 B1 FR 2956513B1
Authority
FR
France
Prior art keywords
acoustic treatment
treatment panel
panel
acoustic
treatment
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
FR1051139A
Other languages
French (fr)
Other versions
FR2956513A1 (en
Inventor
Jacques Michel Albert Julliard
Jacky Novi Mardjono
Georges Jean Xavier Riou
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
Original Assignee
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 SNECMA SAS filed Critical SNECMA SAS
Priority to FR1051139A priority Critical patent/FR2956513B1/en
Publication of FR2956513A1 publication Critical patent/FR2956513A1/en
Application granted granted Critical
Publication of FR2956513B1 publication Critical patent/FR2956513B1/en
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
    • 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—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
    • B64D33/02—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes
    • 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—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
    • B64D33/02—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes
    • B64D2033/0206—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes comprising noise reduction means, e.g. acoustic liners
    • 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—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
    • B64D33/02—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes
    • B64D2033/0266—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes specially adapted for particular type of power plants
    • B64D2033/0286—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes specially adapted for particular type of power plants for turbofan engines

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR1051139A 2010-02-17 2010-02-17 ACOUSTIC TREATMENT PANEL. Active FR2956513B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1051139A FR2956513B1 (en) 2010-02-17 2010-02-17 ACOUSTIC TREATMENT PANEL.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1051139A FR2956513B1 (en) 2010-02-17 2010-02-17 ACOUSTIC TREATMENT PANEL.

Publications (2)

Publication Number Publication Date
FR2956513A1 FR2956513A1 (en) 2011-08-19
FR2956513B1 true FR2956513B1 (en) 2012-08-31

Family

ID=42831594

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1051139A Active FR2956513B1 (en) 2010-02-17 2010-02-17 ACOUSTIC TREATMENT PANEL.

Country Status (1)

Country Link
FR (1) FR2956513B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105620697A (en) * 2016-01-22 2016-06-01 中国人民解放军海军工程大学 Multilayer material combined cavity anechoic tile
CN112888828A (en) * 2018-11-09 2021-06-01 3M创新有限公司 Blanking panel comprising sound absorbing material
FR3100916A1 (en) * 2019-09-12 2021-03-19 Airbus Operations (S.A.S.) Aircraft nacelle air intake acoustic panel with crenellated resistive skin, and propulsion unit and aircraft fitted with such acoustic panels

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2059341B (en) * 1979-09-17 1983-06-08 Rohr Industries Inc Double layer attenuation panel
NL8400655A (en) * 1984-02-29 1985-09-16 Fokker Bv Sound attenuating structure with honeycomb core - has perforated facing sheet with apertures of double conical longitudinal section
SE515528C2 (en) * 1999-12-07 2001-08-20 Saab Ab Device for an acoustic absorbent
US6598701B1 (en) * 2000-06-30 2003-07-29 3M Innovative Properties Company Shaped microperforated polymeric film sound absorbers and methods of manufacturing the same
US20070012508A1 (en) * 2005-07-13 2007-01-18 Demers Christopher G Impact resistance acoustic treatment
DE102007060668A1 (en) * 2007-12-17 2009-06-18 Airbus Deutschland Gmbh Sandwich panel for sound absorption

Also Published As

Publication number Publication date
FR2956513A1 (en) 2011-08-19

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