DE68900042D1 - Strahl-mischer mit variablem durchtrittsquerschnitt fuer ein zweistromtriebwerk. - Google Patents

Strahl-mischer mit variablem durchtrittsquerschnitt fuer ein zweistromtriebwerk.

Info

Publication number
DE68900042D1
DE68900042D1 DE8989400080T DE68900042T DE68900042D1 DE 68900042 D1 DE68900042 D1 DE 68900042D1 DE 8989400080 T DE8989400080 T DE 8989400080T DE 68900042 T DE68900042 T DE 68900042T DE 68900042 D1 DE68900042 D1 DE 68900042D1
Authority
DE
Germany
Prior art keywords
variable
cross
section
power plant
jet mixer
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.)
Expired - Lifetime
Application number
DE8989400080T
Other languages
English (en)
Inventor
Philippe Marc Denis Gastebois
Jean Louis Picard
Alain Gerard Joseph Habrard
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
Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
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 Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA, SNECMA SAS filed Critical Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
Application granted granted Critical
Publication of DE68900042D1 publication Critical patent/DE68900042D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
    • F23R3/02—Continuous combustion chambers using liquid or gaseous fuel characterised by the air-flow or gas-flow configuration
    • F23R3/04—Air inlet arrangements
    • F23R3/10—Air inlet arrangements for primary air
    • F23R3/12—Air inlet arrangements for primary air inducing a vortex
    • 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
    • F02K1/383—Introducing air inside the jet with retractable elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K3/00—Plants including a gas turbine driving a compressor or a ducted fan
    • F02K3/02—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber
    • F02K3/04—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type
    • F02K3/075—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type controlling flow ratio between flows
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K3/00—Plants including a gas turbine driving a compressor or a ducted fan
    • F02K3/08—Plants including a gas turbine driving a compressor or a ducted fan with supplementary heating of the working fluid; Control thereof
    • F02K3/105—Heating the by-pass flow
    • F02K3/11—Heating the by-pass flow by means of burners or combustion chambers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
    • F23R3/02—Continuous combustion chambers using liquid or gaseous fuel characterised by the air-flow or gas-flow configuration
    • F23R3/16—Continuous combustion chambers using liquid or gaseous fuel characterised by the air-flow or gas-flow configuration with devices inside the flame tube or the combustion chamber to influence the air or gas flow
    • F23R3/18—Flame stabilising means, e.g. flame holders for after-burners of jet-propulsion plants
    • F23R3/22—Flame stabilising means, e.g. flame holders for after-burners of jet-propulsion plants movable, e.g. to an inoperative position; adjustable, e.g. self-adjusting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
DE8989400080T 1988-01-14 1989-01-11 Strahl-mischer mit variablem durchtrittsquerschnitt fuer ein zweistromtriebwerk. Expired - Lifetime DE68900042D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8800345A FR2626044A1 (fr) 1988-01-14 1988-01-14 Melangeur de flux a section variable avec stabilisateur de rechauffe integre pour turboreacteur double flux

Publications (1)

Publication Number Publication Date
DE68900042D1 true DE68900042D1 (de) 1991-04-25

Family

ID=9362283

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8989400080T Expired - Lifetime DE68900042D1 (de) 1988-01-14 1989-01-11 Strahl-mischer mit variablem durchtrittsquerschnitt fuer ein zweistromtriebwerk.

Country Status (4)

Country Link
US (1) US4899539A (de)
EP (1) EP0326448B1 (de)
DE (1) DE68900042D1 (de)
FR (1) FR2626044A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8915860U1 (de) * 1989-02-08 1991-12-05 Mtu Muenchen Gmbh
US5103638A (en) * 1990-01-29 1992-04-14 Rolls-Royce Inc. Mounting arrangement
FR2672641B1 (fr) * 1991-02-13 1995-01-13 Snecma Dispositif de post-combustion a volets pivotants.
EP0550126A1 (de) * 1992-01-02 1993-07-07 General Electric Company Hitzeschild für Nachbrenner
US5491974A (en) * 1993-04-15 1996-02-20 General Electric Company Removable afterburner flameholder
US5813221A (en) * 1997-01-14 1998-09-29 General Electric Company Augmenter with integrated fueling and cooling
US7093445B2 (en) * 2002-05-31 2006-08-22 Catalytica Energy Systems, Inc. Fuel-air premixing system for a catalytic combustor
FR2856744B1 (fr) * 2003-06-25 2007-05-25 Snecma Moteurs Canaux de ventilation sur tole de confluence d'une chambre de post-combustion
FR2869953B1 (fr) * 2004-05-05 2008-07-04 Snecma Moteurs Sa Dispositif d'alimentation en air et en carburant d'un anneau-bruleur dans une chambre de postcombustion
FR2873408B1 (fr) * 2004-07-23 2008-10-17 Snecma Moteurs Sa Turboreacteur avec un ecran de protection de la rampe de carburant d'un anneau bruleur, l'anneau bruleur et l'ecran de protection
US7712315B2 (en) * 2006-04-20 2010-05-11 United Technologies Corporation Augmentor variable vane flame stabilization
US20120167550A1 (en) * 2010-12-30 2012-07-05 Victor Lewis Oechsle Thrust augmented gas turbine engine
US8534071B1 (en) 2012-04-06 2013-09-17 United Technologies Corporation Engine hot section vane with tapered flame holder surface
US9328663B2 (en) 2013-05-30 2016-05-03 General Electric Company Gas turbine engine and method of operating thereof
US9366184B2 (en) 2013-06-18 2016-06-14 General Electric Company Gas turbine engine and method of operating thereof
US10385781B2 (en) 2014-12-15 2019-08-20 Rolls-Royce North American Technologies, Inc. Pivoting stowable spray bar
CN109780572B (zh) * 2019-01-09 2020-01-10 南京航空航天大学 一种可调节凹腔涡区结构的组合火焰稳定器及其工作方法
CN109973243B (zh) * 2019-04-04 2021-09-03 中国航发沈阳发动机研究所 一种变循环发动机引射器阀门驱动机构
CN114135401B (zh) * 2021-10-20 2023-05-05 中国航发四川燃气涡轮研究院 可调内掺混装置
FR3136017A1 (fr) * 2022-05-30 2023-12-01 Safran Aircraft Engines Anneau accroche-flammes pour postcombustion de turboreacteur comprenant des ecopes de prelevement de flux primaire

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3118276A (en) * 1964-01-21 Gas turbine engines
FR1086315A (fr) * 1953-07-06 1955-02-11 Perfectionnements apportés aux réacteurs combinés
US2875580A (en) * 1957-04-16 1959-03-03 Westinghouse Electric Corp Flameholding apparatus
US3750402A (en) * 1963-08-07 1973-08-07 Gen Electric Mixed flow augmentation system
DE1923150A1 (de) * 1968-05-08 1970-01-15 Man Turbo Gmbh Zweistromturbinenstrahltriebwerk
GB1211583A (en) * 1968-05-16 1970-11-11 Mini Of Technology Improvements in or relating to combustion devices
US3765178A (en) * 1972-09-08 1973-10-16 Gen Electric Afterburner flameholder
US4527390A (en) * 1977-10-25 1985-07-09 General Motors Corporation Low loss duct burner
US4686826A (en) * 1980-05-14 1987-08-18 The United States Of America As Represented By The Secretary Of The Air Force Mixed flow augmentor incorporating a fuel/air tube
FR2551500B1 (fr) * 1983-09-07 1985-11-08 Snecma Anneau-bruleur pour postcombustion de moteur a reaction
FR2597157B1 (fr) * 1986-04-15 1990-01-26 Snecma Melangeur de flux multilobe a section d'ecoulement variable pour turboreacteurs double flux ou multiflux
US4817378A (en) * 1987-02-13 1989-04-04 General Electric Company Gas turbine engine with augmentor and variable area bypass injector
US4798048A (en) * 1987-12-21 1989-01-17 United Technologies Corporation Augmentor pilot

Also Published As

Publication number Publication date
EP0326448B1 (de) 1991-03-20
EP0326448A1 (de) 1989-08-02
FR2626044A1 (fr) 1989-07-21
US4899539A (en) 1990-02-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee