DE602007001912D1 - Haube für die Düse eines Strahltriebwerks und entsprechende Düse und Strahltriebwerk - Google Patents

Haube für die Düse eines Strahltriebwerks und entsprechende Düse und Strahltriebwerk

Info

Publication number
DE602007001912D1
DE602007001912D1 DE602007001912T DE602007001912T DE602007001912D1 DE 602007001912 D1 DE602007001912 D1 DE 602007001912D1 DE 602007001912 T DE602007001912 T DE 602007001912T DE 602007001912 T DE602007001912 T DE 602007001912T DE 602007001912 D1 DE602007001912 D1 DE 602007001912D1
Authority
DE
Germany
Prior art keywords
jet engine
nozzle
hood
corresponding nozzle
jet
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
DE602007001912T
Other languages
English (en)
Inventor
Dax Au
Pascal Moise Michel 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 DE602007001912D1 publication Critical patent/DE602007001912D1/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
    • F02K1/46—Nozzles having means for adding air to the jet or for augmenting the mixing region between the jet and the ambient air, e.g. for silencing
    • F02K1/48—Corrugated nozzles
    • 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
    • F05D2250/10—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
    • F05D2250/18—Two-dimensional patterned
    • F05D2250/184—Two-dimensional patterned sinusoidal

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)
DE602007001912T 2006-06-26 2007-06-07 Haube für die Düse eines Strahltriebwerks und entsprechende Düse und Strahltriebwerk Active DE602007001912D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0652643A FR2902836B1 (fr) 2006-06-26 2006-06-26 Capot pour tuyere de turbomachine muni de motifs triangulaires a point d'inflexion pour reduire le bruit de jet

Publications (1)

Publication Number Publication Date
DE602007001912D1 true DE602007001912D1 (de) 2009-09-24

Family

ID=37649356

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602007001912T Active DE602007001912D1 (de) 2006-06-26 2007-06-07 Haube für die Düse eines Strahltriebwerks und entsprechende Düse und Strahltriebwerk

Country Status (6)

Country Link
US (1) US7581384B2 (de)
EP (1) EP1873389B1 (de)
CA (1) CA2592794C (de)
DE (1) DE602007001912D1 (de)
FR (1) FR2902836B1 (de)
RU (1) RU2435055C2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7377108B2 (en) * 2004-04-09 2008-05-27 The Boeing Company Apparatus and method for reduction jet noise from single jets
FR2902837B1 (fr) * 2006-06-26 2008-10-24 Snecma Sa Capot pour tuyere de turbomachine muni de motifs triangulaires a doubles sommets pour reduire le bruit de jet
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
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.
DE102010014910A1 (de) * 2010-04-14 2011-10-20 Rolls-Royce Deutschland Ltd & Co Kg Mischvorrichtung für ein Turbofantriebwerk
DE102010014909A1 (de) * 2010-04-14 2011-10-20 Rolls-Royce Deutschland Ltd & Co Kg Variabler Mischer für ein Turbofantriebwerk
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
US8984890B2 (en) * 2011-10-31 2015-03-24 General Electric Company Turbofan engine mixer assembly
US8840451B2 (en) * 2012-01-24 2014-09-23 Honeywell International Inc. Cabin pressure outflow valve with simplified whistle eliminator
FR3010454B1 (fr) 2013-09-10 2024-02-16 Snecma Arriere corps de turboreacteur a flux melanges comportant un melangeur a lobes et des chevrons a surface interne non axisymetrique
FR3010453B1 (fr) 2013-09-10 2017-12-29 Snecma Arriere corps de turboreacteur comportant une tuyere equipee d'un systeme d'inversion de poussee qui integre une couronne de chevrons antibruit

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1076765B1 (de) * 1999-03-05 2006-06-14 Rolls-Royce Deutschland Ltd & Co KG Blütenmischer für ein zweikreis-strahltriebwerk
GB9925193D0 (en) * 1999-10-26 1999-12-22 Rolls Royce Plc Gas turbine engine exhaust nozzle
US7065957B2 (en) * 2000-05-05 2006-06-27 The Boeing Company Segmented mixing device for jet engines and aircraft
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
US6718752B2 (en) * 2002-05-29 2004-04-13 The Boeing Company Deployable segmented exhaust nozzle for a jet engine
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
FR2873166B1 (fr) * 2004-07-13 2008-10-31 Snecma Moteurs Sa Tuyere de turbomachine a motifs a reduction de bruit de jet

Also Published As

Publication number Publication date
FR2902836B1 (fr) 2008-10-24
US20080041062A1 (en) 2008-02-21
RU2435055C2 (ru) 2011-11-27
CA2592794C (fr) 2013-10-22
EP1873389A1 (de) 2008-01-02
US7581384B2 (en) 2009-09-01
FR2902836A1 (fr) 2007-12-28
CA2592794A1 (fr) 2007-12-26
RU2007123696A (ru) 2008-12-27
EP1873389B1 (de) 2009-08-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition