DE602007005876D1 - Haube eines Strahltriebwerks mit dreieckigen Mitteln mit zwei Scheitelpunkten zur Schalldämpfung - Google Patents

Haube eines Strahltriebwerks mit dreieckigen Mitteln mit zwei Scheitelpunkten zur Schalldämpfung

Info

Publication number
DE602007005876D1
DE602007005876D1 DE602007005876T DE602007005876T DE602007005876D1 DE 602007005876 D1 DE602007005876 D1 DE 602007005876D1 DE 602007005876 T DE602007005876 T DE 602007005876T DE 602007005876 T DE602007005876 T DE 602007005876T DE 602007005876 D1 DE602007005876 D1 DE 602007005876D1
Authority
DE
Germany
Prior art keywords
vertices
hood
jet engine
sound attenuation
triangular means
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
DE602007005876T
Other languages
English (en)
Inventor
Dax Au
Pascal Moise Bigot
Pierre Briend
Pierre Philippe Loheac
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
Publication of DE602007005876D1 publication Critical patent/DE602007005876D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F02K1/38—Introducing air inside the jet
    • F02K1/386—Introducing air inside the jet mixing devices in the jet pipe, e.g. for mixing primary and secondary flow
    • 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
    • F05D2250/70—Shape
    • 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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
DE602007005876T 2006-06-26 2007-06-07 Haube eines Strahltriebwerks mit dreieckigen Mitteln mit zwei Scheitelpunkten zur Schalldämpfung Active DE602007005876D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0652644A FR2902837B1 (fr) 2006-06-26 2006-06-26 Capot pour tuyere de turbomachine muni de motifs triangulaires a doubles sommets pour reduire le bruit de jet

Publications (1)

Publication Number Publication Date
DE602007005876D1 true DE602007005876D1 (de) 2010-05-27

Family

ID=37810166

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602007005876T Active DE602007005876D1 (de) 2006-06-26 2007-06-07 Haube eines Strahltriebwerks mit dreieckigen Mitteln mit zwei Scheitelpunkten zur Schalldämpfung

Country Status (6)

Country Link
US (1) US7854123B2 (de)
EP (1) EP1873388B1 (de)
CA (1) CA2592484C (de)
DE (1) DE602007005876D1 (de)
FR (1) FR2902837B1 (de)
RU (1) RU2436986C2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6670015B1 (en) * 2000-05-11 2003-12-30 Hewlett-Packard Development Company, L.P. Restickable and removable label technology labels
FR2920036B1 (fr) * 2007-08-14 2013-11-15 Airbus France Chevrons anti-bruit pour tuyere
FR2921700A1 (fr) * 2007-09-28 2009-04-03 Snecma Sa Capot pour tuyere de turbomachine a motifs a reduction de bruit de jet
FR2930972B1 (fr) * 2008-05-07 2012-11-30 Airbus France Turbomachine a double flux pour aeronef a emission de bruit reduite
US8087250B2 (en) * 2008-06-26 2012-01-03 General Electric Company Duplex tab exhaust nozzle
FR2945838B1 (fr) * 2009-05-20 2014-06-13 Snecma Capot pour tuyere de turbomachine muni de motifs a ailettes laterales pour reduire le bruit de jet.
US8635875B2 (en) 2010-04-29 2014-01-28 Pratt & Whitney Canada Corp. Gas turbine engine exhaust mixer including circumferentially spaced-apart radial rows of tabs extending downstream on the radial walls, crests and troughs
US8840451B2 (en) * 2012-01-24 2014-09-23 Honeywell International Inc. Cabin pressure outflow valve with simplified whistle eliminator
US20170082063A1 (en) * 2012-03-09 2017-03-23 The Boeing Company Engine nozzle system for shock-cell noise reduction
US9511873B2 (en) * 2012-03-09 2016-12-06 The Boeing Company Noise-reducing engine nozzle system
US10272398B2 (en) * 2015-11-06 2019-04-30 Ford Global Technologies, Llc Static flow mixer with multiple open curved channels
DE102020124176A1 (de) * 2020-09-16 2022-03-17 Ruag Ammotec Ag Festkörperstruktur

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2104967B (en) * 1981-09-03 1985-07-17 Rolls Royce Exhaust mixer for turbofan aeroengine
GB2160265A (en) * 1984-06-12 1985-12-18 Rolls Royce Turbofan exhaust mixers
CA1324999C (en) * 1986-04-30 1993-12-07 Walter M. Presz, Jr. Bodies with reduced surface drag
GB9925193D0 (en) 1999-10-26 1999-12-22 Rolls Royce Plc Gas turbine engine exhaust nozzle
US7578132B2 (en) * 2001-03-03 2009-08-25 Rolls-Royce Plc Gas turbine engine exhaust nozzle
US6532729B2 (en) * 2001-05-31 2003-03-18 General Electric Company Shelf truncated chevron exhaust nozzle for reduction of exhaust noise and infrared (IR) signature
US6658839B2 (en) * 2002-02-28 2003-12-09 The Boeing Company Convergent/divergent segmented exhaust nozzle
FR2855558B1 (fr) * 2003-05-28 2005-07-15 Snecma Moteurs Tuyere de turbomachine a reduction de bruit
FR2857416B1 (fr) * 2003-07-09 2007-05-25 Snecma Moteurs Dispositif de reduction du bruit de jet d'une turbomachine
US7305817B2 (en) * 2004-02-09 2007-12-11 General Electric Company Sinuous chevron exhaust nozzle
FR2868131B1 (fr) * 2004-03-25 2006-06-09 Airbus France Sas Tuyere primaire a chevrons pour turboreacteur a double flux d'aeronef et aeronef comportant une telle tuyere
FR2873166B1 (fr) * 2004-07-13 2008-10-31 Snecma Moteurs Sa Tuyere de turbomachine a motifs a reduction de bruit de jet
US7546727B2 (en) * 2004-11-12 2009-06-16 The Boeing Company Reduced noise jet engine
US7543452B2 (en) * 2005-08-10 2009-06-09 United Technologies Corporation Serrated nozzle trailing edge for exhaust noise suppression
FR2902836B1 (fr) * 2006-06-26 2008-10-24 Snecma Sa Capot pour tuyere de turbomachine muni de motifs triangulaires a point d'inflexion pour reduire le bruit de jet
US7520124B2 (en) * 2006-09-12 2009-04-21 United Technologies Corporation Asymmetric serrated nozzle for exhaust noise reduction
FR2912469B1 (fr) * 2007-02-12 2009-05-08 Snecma Propulsion Solide Sa Procede de fabrication d'une structure a lobes de melangeur de flux en cmc pour moteur aeronautique a turbine de gaz.
FR2921700A1 (fr) * 2007-09-28 2009-04-03 Snecma Sa Capot pour tuyere de turbomachine a motifs a reduction de bruit de jet

Also Published As

Publication number Publication date
FR2902837A1 (fr) 2007-12-28
EP1873388B1 (de) 2010-04-14
FR2902837B1 (fr) 2008-10-24
RU2007123695A (ru) 2008-12-27
CA2592484A1 (fr) 2007-12-26
CA2592484C (fr) 2013-10-22
US20080047273A1 (en) 2008-02-28
EP1873388A1 (de) 2008-01-02
RU2436986C2 (ru) 2011-12-20
US7854123B2 (en) 2010-12-21

Similar Documents

Publication Publication Date Title
DE602007005876D1 (de) Haube eines Strahltriebwerks mit dreieckigen Mitteln mit zwei Scheitelpunkten zur Schalldämpfung
DE602004012547D1 (de) Testanlage zur Entwicklung eines Strahltriebwerks
DE602007009552D1 (de) Vorrichtung zur bestimmung der position eines aktuators
DE602007007384D1 (de) Zentralkörper der Schubdüse eines Turbinentriebwerks
DE602007001912D1 (de) Haube für die Düse eines Strahltriebwerks und entsprechende Düse und Strahltriebwerk
DE602008005524D1 (de) Laufradeinheit eines Turbotriebwerks
DE602007009006D1 (de) Empirische Einstellung eines Echtzeit-Gasturbinenmotorenmodells
DE502006008610D1 (de) Verstellwellenanordnung eines turboladers
DE602006002764D1 (de) Dekorative Mehrschichtabdeckung eines Radargeräts
DE112007003797A5 (de) Rollsteifigkeitssteuerung eines fahrzeugs
DE602005007297D1 (de) Turbine eines Gasturbinentriebwerks
DE602007003661D1 (de) Plattformflosse eines Gebläses
PL1902953T3 (pl) Silnik śmigłowca z turbiną gazową
DE602007000192D1 (de) Gelenkstruktur eines roboters
DE602007007542D1 (de) Übertragungsantriebsmechanismus eines Verbrennungsmotors
DE602007013688D1 (de) System zur Verwaltung der Motorleistung eines Fahrzeugs
DE602007003320D1 (de) Verbrennungsmotor
DE112007002872A5 (de) Triebrad eines Nebenaggregatezugs eines Verbrennungsmotors
GB2443946B (en) Turbofan engine nozzle assembly
DE602006010319D1 (de) Montageanordnung eines Kraftstoffeinspritzventils
DE602006014445D1 (de) Einrichtung und verfahren zur bestimmung des klopfens eines verbrennungsmotors
NO20083136L (no) Fremgangsmåte for å bestemme et utslipps virkning på marint miljø
DE602005005029D1 (de) Richtung eines verbrennungsmotors
GB0623279D0 (en) Air wave modeling for MCSEM/SBL surveying
DE602008003378D1 (de) Haube für die Düse eines Strahltriebwerks mit Mustern zur Strahllärmunterdrückung, und entsprechende Düse und Strahltriebwerk

Legal Events

Date Code Title Description
8364 No opposition during term of opposition