CA2793462A1 - Turbofan engine mixer assembly - Google Patents

Turbofan engine mixer assembly Download PDF

Info

Publication number
CA2793462A1
CA2793462A1 CA2793462A CA2793462A CA2793462A1 CA 2793462 A1 CA2793462 A1 CA 2793462A1 CA 2793462 A CA2793462 A CA 2793462A CA 2793462 A CA2793462 A CA 2793462A CA 2793462 A1 CA2793462 A1 CA 2793462A1
Authority
CA
Canada
Prior art keywords
trailing edge
chevron
mixer
turbofan engine
flows
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.)
Abandoned
Application number
CA2793462A
Other languages
English (en)
French (fr)
Inventor
Mustafa Dindar
Vaughn Kunze
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of CA2793462A1 publication Critical patent/CA2793462A1/en
Abandoned legal-status Critical Current

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
    • 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
    • F02C7/04—Air intakes for gas-turbine plants or jet-propulsion plants
    • F02C7/045—Air intakes for gas-turbine plants or jet-propulsion plants having provisions for noise suppression
    • 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
    • F05D2250/18—Two-dimensional patterned
    • F05D2250/183—Two-dimensional patterned zigzag

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Silencers (AREA)
CA2793462A 2011-10-31 2012-10-25 Turbofan engine mixer assembly Abandoned CA2793462A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/285,826 US8984890B2 (en) 2011-10-31 2011-10-31 Turbofan engine mixer assembly
US13/285,826 2011-10-31

Publications (1)

Publication Number Publication Date
CA2793462A1 true CA2793462A1 (en) 2013-04-30

Family

ID=47227469

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2793462A Abandoned CA2793462A1 (en) 2011-10-31 2012-10-25 Turbofan engine mixer assembly

Country Status (4)

Country Link
US (1) US8984890B2 (https=)
EP (1) EP2587037A3 (https=)
JP (1) JP6193551B2 (https=)
CA (1) CA2793462A1 (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9970386B2 (en) 2013-06-07 2018-05-15 United Technologies Corporation Exhaust stream mixer
US10082043B2 (en) 2015-06-25 2018-09-25 Pratt & Whitney Canada Corp. Segmented multi-lobe mixer
FR3070186B1 (fr) * 2017-08-21 2021-06-11 Safran Aircraft Engines Tuyere secondaire modifiee acoustique
JP7297574B2 (ja) * 2019-07-12 2023-06-26 三菱重工業株式会社 ガスタービンシステムおよびそれを備えた移動体
US20210107676A1 (en) * 2019-10-11 2021-04-15 General Electric Company Aircraft Having an Aft Engine and Auxiliary Power Unit
US20210140369A1 (en) * 2019-11-13 2021-05-13 The Boeing Company Low pressure differential ejector pump utilizing a lobed, axisymmetric nozzle
CN111997780A (zh) * 2020-09-02 2020-11-27 南昌航空大学 一种用于交变波瓣喷管的爪型波峰扰流片

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3053340A (en) 1958-07-21 1962-09-11 Gen Electric Noise suppression nozzle
US4149375A (en) * 1976-11-29 1979-04-17 United Technologies Corporation Lobe mixer for gas turbine engine
US4302934A (en) * 1979-11-01 1981-12-01 United Technologies Corporation Lobed mixer/inverter
US4401269A (en) 1980-09-26 1983-08-30 United Technologies Corporation Lobe mixer for gas turbine engine
US4548034A (en) * 1983-05-05 1985-10-22 Rolls-Royce Limited Bypass gas turbine aeroengines and exhaust mixers therefor
GB2146702B (en) * 1983-09-14 1987-12-23 Rolls Royce Exhaust mixer for turbofan aeroengine
WO2000053915A1 (de) 1999-03-05 2000-09-14 Rolls-Royce Deutschland Gmbh Blütenmischer für ein zweikreis-strahltriebwerk
JP3598900B2 (ja) * 1999-09-03 2004-12-08 ダイキン工業株式会社 送風機用羽根車
US6412283B1 (en) 2000-02-24 2002-07-02 Honeywell International, Inc. Deep lobed deswirling diffuser tailpipe
US6733240B2 (en) * 2001-07-18 2004-05-11 General Electric Company Serrated fan blade
US7017331B2 (en) * 2002-12-07 2006-03-28 Anderson Jack H Jet nozzle mixer
JP3956283B2 (ja) 2002-02-06 2007-08-08 石川島播磨重工業株式会社 ジェット噴流用ローブミキサ
JP2003336572A (ja) * 2002-02-22 2003-11-28 Mitsubishi Heavy Ind Ltd ナセル構造の風車
US7114323B2 (en) * 2004-03-05 2006-10-03 United Technologies Corporation Jet exhaust noise reduction system and method
FR2873166B1 (fr) * 2004-07-13 2008-10-31 Snecma Moteurs Sa Tuyere de turbomachine a motifs a reduction de bruit de jet
FR2875854B1 (fr) * 2004-09-29 2009-04-24 Snecma Propulsion Solide Sa Melangeur pour tuyere a flux separes
US7434384B2 (en) * 2004-10-25 2008-10-14 United Technologies Corporation Fluid mixer with an integral fluid capture ducts forming auxiliary secondary chutes at the discharge end of said ducts
FR2902468B1 (fr) 2006-06-19 2012-02-17 Snecma Melangeur a lobes munis de motifs pour tuyere a flux confluents de turbomachine
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
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.
US8083487B2 (en) * 2007-07-09 2011-12-27 General Electric Company Rotary airfoils and method for fabricating same
FR2921700A1 (fr) * 2007-09-28 2009-04-03 Snecma Sa Capot pour tuyere de turbomachine a motifs a reduction de bruit de jet
US20110126512A1 (en) * 2009-11-30 2011-06-02 Honeywell International Inc. Turbofan gas turbine engine aerodynamic mixer
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

Also Published As

Publication number Publication date
EP2587037A2 (en) 2013-05-01
US20130104555A1 (en) 2013-05-02
US8984890B2 (en) 2015-03-24
JP6193551B2 (ja) 2017-09-06
EP2587037A3 (en) 2014-01-01
JP2013096414A (ja) 2013-05-20

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Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20170825

FZDE Dead

Effective date: 20181025