DE602004014337D1 - Vorrichtung zur Reduktion des Austrittslärms von Strahltriebwerken unter Benutzung von oszillierenden Strahlen - Google Patents

Vorrichtung zur Reduktion des Austrittslärms von Strahltriebwerken unter Benutzung von oszillierenden Strahlen

Info

Publication number
DE602004014337D1
DE602004014337D1 DE602004014337T DE602004014337T DE602004014337D1 DE 602004014337 D1 DE602004014337 D1 DE 602004014337D1 DE 602004014337 T DE602004014337 T DE 602004014337T DE 602004014337 T DE602004014337 T DE 602004014337T DE 602004014337 D1 DE602004014337 D1 DE 602004014337D1
Authority
DE
Germany
Prior art keywords
reducing
jet engines
oscillating beams
exit noise
exit
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
DE602004014337T
Other languages
English (en)
Inventor
Anurag Gupta
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 DE602004014337D1 publication Critical patent/DE602004014337D1/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
    • F02K1/06—Varying effective area of jet pipe or nozzle
    • F02K1/12—Varying effective area of jet pipe or nozzle by means of pivoted flaps
    • F02K1/1292—Varying effective area of jet pipe or nozzle by means of pivoted flaps of three series of flaps, the upstream series having its flaps hinged at their upstream ends on a fixed structure, the internal downstream series having its flaps hinged at their upstream ends on the downstream ends of the flaps of the upstream series and at their downstream ends on the downstream ends of the flaps of the external downstream series hinged at their upstream ends on a substantially axially movable structure
    • 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
    • F02K1/28—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto using fluid jets to influence the jet flow
    • F02K1/34—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto using fluid jets to influence the jet flow for attenuating noise
    • 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
    • F05D2260/00—Function
    • F05D2260/96—Preventing, counteracting or reducing vibration or noise
    • 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
DE602004014337T 2003-12-30 2004-12-21 Vorrichtung zur Reduktion des Austrittslärms von Strahltriebwerken unter Benutzung von oszillierenden Strahlen Active DE602004014337D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/750,240 US7308966B2 (en) 2003-12-30 2003-12-30 Device for reducing jet engine exhaust noise using oscillating jets

Publications (1)

Publication Number Publication Date
DE602004014337D1 true DE602004014337D1 (de) 2008-07-24

Family

ID=34592544

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004014337T Active DE602004014337D1 (de) 2003-12-30 2004-12-21 Vorrichtung zur Reduktion des Austrittslärms von Strahltriebwerken unter Benutzung von oszillierenden Strahlen

Country Status (5)

Country Link
US (1) US7308966B2 (de)
EP (1) EP1553281B1 (de)
JP (1) JP4613061B2 (de)
CN (1) CN1637262A (de)
DE (1) DE602004014337D1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2892152B1 (fr) * 2005-10-19 2007-11-23 Airbus France Sas Turbomoteur a bruit de jet attenue
US8015819B2 (en) * 2006-09-29 2011-09-13 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Wet active chevron nozzle for controllable jet noise reduction
FR2928183A1 (fr) * 2008-02-29 2009-09-04 Aircelle Sa Dispositif de reduction de bruit pour moteur d'aeronef, du type a chevrons mobiles
FR2929337B1 (fr) * 2008-03-31 2012-06-01 Airbus France Dispositif a jets secondaires de reduction du bruit genere par un reacteur d'aeronef
WO2010013499A1 (ja) * 2008-07-28 2010-02-04 国立大学法人群馬大学 噴流騒音防止方法および噴流ノズル
JP5459317B2 (ja) 2009-10-28 2014-04-02 株式会社Ｉｈｉ 騒音低減装置
US9528468B2 (en) 2009-10-28 2016-12-27 Ihi Corporation Noise reduction system
EP2397762A1 (de) * 2010-06-17 2011-12-21 Siemens Aktiengesellschaft Dämpfvorrichtung zum Dämpfen von Druckschwingungen in einer Brennkammer einer Turbine
US8443931B2 (en) 2011-04-06 2013-05-21 Lockheed Martin Corporation Noise reduction of supersonic jet engines
US8984714B2 (en) 2011-10-04 2015-03-24 Bha Altair, Llc Method and systems for acoustic cleaning
CN103101614B (zh) * 2011-11-14 2015-05-06 中国航空工业集团公司沈阳空气动力研究所 一种定常微射流武器舱噪声抑制装置
DE102012109647B4 (de) * 2012-10-10 2015-09-03 Airbus Defence and Space GmbH Flugtriebwerk mit einer Einrichtung zum pulsierenden Ausblasen eines Gases in die Abgasdüse
US9428263B2 (en) * 2013-10-16 2016-08-30 The Boeing Company Frequency response and health tracker for a synthetic jet generator
US9869190B2 (en) 2014-05-30 2018-01-16 General Electric Company Variable-pitch rotor with remote counterweights
US10072510B2 (en) 2014-11-21 2018-09-11 General Electric Company Variable pitch fan for gas turbine engine and method of assembling the same
FR3041596B1 (fr) * 2015-09-30 2017-12-08 Plastic Omnium Cie Systeme aerodynamique a generateur de vortex alimente par des gaz d'echappement
US10100653B2 (en) 2015-10-08 2018-10-16 General Electric Company Variable pitch fan blade retention system
CN106988928B (zh) * 2017-05-16 2019-05-07 北京理工大学 一种具有抗烧蚀和降温功能的二次流喉栓火箭发动机
CN107023420B (zh) * 2017-05-16 2018-09-21 北京理工大学 一种具有推力可控功能的二次流喉栓火箭发动机
US11674435B2 (en) 2021-06-29 2023-06-13 General Electric Company Levered counterweight feathering system
US11795964B2 (en) 2021-07-16 2023-10-24 General Electric Company Levered counterweight feathering system

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2943821A (en) * 1950-12-30 1960-07-05 United Aircraft Corp Directional control means for a supersonic vehicle
FR1370149A (fr) * 1963-07-11 1964-08-21 Snecma Déviateur de jet par injection de liquide
US3204405A (en) * 1964-02-20 1965-09-07 Raymond W Warren Three dimensional jet vectoring system
US3420060A (en) * 1966-04-22 1969-01-07 Mc Donnell Douglas Corp Pressure induced jet vectoring augmentation apparatus
US3527317A (en) * 1969-04-18 1970-09-08 Gen Electric Sound control of turbofan engines
US3826331A (en) * 1972-02-29 1974-07-30 Bolt Beranek & Newman Method of and apparatus for reducing sound generated by surfaces in fluid jet streams and the like
US3830431A (en) * 1973-03-23 1974-08-20 Nasa Abating exhaust noises in jet engines
US4474259A (en) * 1982-04-26 1984-10-02 The Boeing Company Internally ventilated noise suppressor for jet engine
US5092425A (en) * 1990-04-02 1992-03-03 The United States Of America As Represented By The Secretary Of The Air Force Jet noise suppressor and method
US5428954A (en) * 1994-04-11 1995-07-04 Cowan, Sr.; Howard H. System for suppressing engine exhaust noise
US5664415A (en) * 1994-06-01 1997-09-09 Lockheed Fort Worth Company After-burning turbo-fan engine with a fixed geometry exhaust nozzle having a variable flow coefficient
US5490545A (en) * 1994-08-31 1996-02-13 Michael D. Sokoloff Vortex connector
US5590520A (en) * 1995-05-05 1997-01-07 The Regents Of The University Of California Method of eliminating mach waves from supersonic jets
US5758823A (en) * 1995-06-12 1998-06-02 Georgia Tech Research Corporation Synthetic jet actuator and applications thereof
AUPP042197A0 (en) * 1997-11-18 1997-12-11 Luminis Pty Limited Oscillating jets
US6308898B1 (en) * 1999-06-11 2001-10-30 The Boeing Company Apparatus and methods for active flow control of a nozzle exhaust plume
US6336319B1 (en) * 2000-05-26 2002-01-08 General Electric Company Fluidic nozzle control system
US6308740B1 (en) * 2000-08-15 2001-10-30 Lockheed Martin Corporation Method and system of pulsed or unsteady ejector
US6375118B1 (en) * 2000-08-30 2002-04-23 The Boeing Company High frequency excitation apparatus and method for reducing jet and cavity noise
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
US6571549B1 (en) * 2001-10-05 2003-06-03 The United States Of America As Represented By The Secretary Of The Air Force Jet noise suppressor
US6655632B1 (en) * 2002-08-27 2003-12-02 General Electric Company System and method for actively changing an effective flow-through area of an inlet region of an aircraft engine
GB0226228D0 (en) 2002-11-09 2002-12-18 Rolls Royce Plc Suppression of part of the noise from a gas turbine engine
US7581692B2 (en) 2003-06-30 2009-09-01 General Electric Company Fluidic chevrons and configurable thermal shield for jet noise reduction
US7086498B2 (en) * 2003-08-25 2006-08-08 Ford Global Technologies, Llc Noise attenuation device for a vehicle exhaust system

Also Published As

Publication number Publication date
JP2005195019A (ja) 2005-07-21
US20050144935A1 (en) 2005-07-07
EP1553281A1 (de) 2005-07-13
CN1637262A (zh) 2005-07-13
US7308966B2 (en) 2007-12-18
EP1553281B1 (de) 2008-06-11
JP4613061B2 (ja) 2011-01-12

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Legal Events

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