FR2986833B1 - METHOD FOR DEFINING CHEVRONS IN A HOOD OF A TURBOMACHINE TUBE AND HOOD FOR A TURBOMACHINE TUBE CORRESPONDING - Google Patents

METHOD FOR DEFINING CHEVRONS IN A HOOD OF A TURBOMACHINE TUBE AND HOOD FOR A TURBOMACHINE TUBE CORRESPONDING

Info

Publication number
FR2986833B1
FR2986833B1 FR1251290A FR1251290A FR2986833B1 FR 2986833 B1 FR2986833 B1 FR 2986833B1 FR 1251290 A FR1251290 A FR 1251290A FR 1251290 A FR1251290 A FR 1251290A FR 2986833 B1 FR2986833 B1 FR 2986833B1
Authority
FR
France
Prior art keywords
turbomachine
hood
tube
chevrons
defining
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
FR1251290A
Other languages
French (fr)
Other versions
FR2986833A1 (en
Inventor
Julien Szydlowski
Guillaume Bodard
Jonathan Langridge
Matthieu Leyko
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 FR1251290A priority Critical patent/FR2986833B1/en
Publication of FR2986833A1 publication Critical patent/FR2986833A1/en
Application granted granted Critical
Publication of FR2986833B1 publication Critical patent/FR2986833B1/en
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
    • 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
    • F05D2250/71—Shape curved
    • F05D2250/711—Shape curved convex

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)
FR1251290A 2012-02-10 2012-02-10 METHOD FOR DEFINING CHEVRONS IN A HOOD OF A TURBOMACHINE TUBE AND HOOD FOR A TURBOMACHINE TUBE CORRESPONDING Active FR2986833B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1251290A FR2986833B1 (en) 2012-02-10 2012-02-10 METHOD FOR DEFINING CHEVRONS IN A HOOD OF A TURBOMACHINE TUBE AND HOOD FOR A TURBOMACHINE TUBE CORRESPONDING

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1251290A FR2986833B1 (en) 2012-02-10 2012-02-10 METHOD FOR DEFINING CHEVRONS IN A HOOD OF A TURBOMACHINE TUBE AND HOOD FOR A TURBOMACHINE TUBE CORRESPONDING

Publications (2)

Publication Number Publication Date
FR2986833A1 FR2986833A1 (en) 2013-08-16
FR2986833B1 true FR2986833B1 (en) 2017-05-19

Family

ID=45926814

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1251290A Active FR2986833B1 (en) 2012-02-10 2012-02-10 METHOD FOR DEFINING CHEVRONS IN A HOOD OF A TURBOMACHINE TUBE AND HOOD FOR A TURBOMACHINE TUBE CORRESPONDING

Country Status (1)

Country Link
FR (1) FR2986833B1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5444912A (en) * 1993-10-29 1995-08-29 Folmer; Carroll W. Method for forming aircraft engine nacelle exhaust mixers and similar products
US6360528B1 (en) * 1997-10-31 2002-03-26 General Electric Company Chevron exhaust nozzle for a gas turbine engine
DE19952797A1 (en) * 1999-11-03 2001-05-10 Rolls Royce Deutschland Flow mixer for the flows in a turbofan jet aircraft engine has a flower petal shape with structured alternating radial trough channels for an increased mixing action without loss of pressure
US7543452B2 (en) * 2005-08-10 2009-06-09 United Technologies Corporation Serrated nozzle trailing edge for exhaust noise suppression
US8356468B2 (en) * 2009-06-12 2013-01-22 The Boeing Company Gas turbine engine nozzle configurations

Also Published As

Publication number Publication date
FR2986833A1 (en) 2013-08-16

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