CN100507252C - 用于减小喷射流噪声的人字形射流和可配置的热屏蔽 - Google Patents

用于减小喷射流噪声的人字形射流和可配置的热屏蔽 Download PDF

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Publication number
CN100507252C
CN100507252C CNB2004100477835A CN200410047783A CN100507252C CN 100507252 C CN100507252 C CN 100507252C CN B2004100477835 A CNB2004100477835 A CN B2004100477835A CN 200410047783 A CN200410047783 A CN 200410047783A CN 100507252 C CN100507252 C CN 100507252C
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CN
China
Prior art keywords
jet
chevron
noise
nozzle
thermal acoustic
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
CNB2004100477835A
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English (en)
Chinese (zh)
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CN1576560A (zh
Inventor
P·格拉兹奥斯
K·柯特利
R·曼尼
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General Electric Co
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General Electric Co
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Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of CN1576560A publication Critical patent/CN1576560A/zh
Application granted granted Critical
Publication of CN100507252C publication Critical patent/CN100507252C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • F02K1/28—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
    • 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
    • F02K1/44—Nozzles having means, e.g. a shield, reducing sound radiation in a specified direction
    • 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
    • F02K1/78—Other construction of jet pipes
    • F02K1/82—Jet pipe walls, e.g. liners
    • F02K1/827—Sound absorbing structures or liners
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
CNB2004100477835A 2003-06-30 2004-04-30 用于减小喷射流噪声的人字形射流和可配置的热屏蔽 Expired - Lifetime CN100507252C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/610,718 US7581692B2 (en) 2003-06-30 2003-06-30 Fluidic chevrons and configurable thermal shield for jet noise reduction
US10/610718 2003-06-30

Publications (2)

Publication Number Publication Date
CN1576560A CN1576560A (zh) 2005-02-09
CN100507252C true CN100507252C (zh) 2009-07-01

Family

ID=33435412

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2004100477835A Expired - Lifetime CN100507252C (zh) 2003-06-30 2004-04-30 用于减小喷射流噪声的人字形射流和可配置的热屏蔽

Country Status (7)

Country Link
US (1) US7581692B2 (https=)
EP (1) EP1493912B1 (https=)
JP (1) JP2005023929A (https=)
CN (1) CN100507252C (https=)
BR (1) BRPI0402648B1 (https=)
CA (1) CA2464830C (https=)
DE (1) DE602004001934T2 (https=)

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* Cited by examiner, † Cited by third party
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US7308966B2 (en) 2003-12-30 2007-12-18 General Electric Company Device for reducing jet engine exhaust noise using oscillating jets
US7305817B2 (en) 2004-02-09 2007-12-11 General Electric Company Sinuous chevron exhaust nozzle
FR2872549B1 (fr) 2004-07-05 2006-09-22 Centre Nat Rech Scient Cnrse Reacteur d'avion equipe d'un dispositif de reduction de bruit des jets propulsifs
FR2885955B1 (fr) * 2005-05-18 2007-06-22 Airbus France Sas Procede pour reduire les emissions sonores a l'arriere d'un turbomoteur et turbomoteur ainsi perfectionne.
US7685806B2 (en) 2005-12-29 2010-03-30 General Electric Company Method and apparatus for supersonic and shock noise reduction in aircraft engines using pneumatic corrugations
FR2902758B1 (fr) * 2006-06-21 2009-04-10 Airbus France Sas Ensemble propulsif d'aeronef comportant un conduit d'ejection avec un bord de fuite echancre
US7966826B2 (en) * 2007-02-14 2011-06-28 The Boeing Company Systems and methods for reducing noise from jet engine exhaust
FR2929336B1 (fr) * 2008-03-31 2012-06-01 Airbus France Dispositif a jets plans de reduction du bruit genere par un reacteur d'aeronef
US8356468B2 (en) * 2009-06-12 2013-01-22 The Boeing Company Gas turbine engine nozzle configurations
DE102009032841A1 (de) * 2009-07-13 2011-01-20 Rolls-Royce Deutschland Ltd & Co Kg Geräuschreduziertes Flugzeugtriebwerk sowie Verfahren zur Verminderung von Geräuschemissionen eines Flugzeugtriebwerks
US9145801B2 (en) 2013-07-01 2015-09-29 The Boeing Company Systems and methods for acoustic resonance mitigation
FR3009027B1 (fr) * 2013-07-26 2018-04-06 Airbus Operations Ensemble turbomachine d'aeronef a bruit de jet attenue.
US10611458B2 (en) * 2017-05-09 2020-04-07 The Boeing Company Aircraft cabin noise reduction systems and methods
CN111810315B (zh) * 2020-06-30 2021-08-17 西安航天动力试验技术研究所 一种基于柔性水幕的噪声吸收导流装置

Citations (7)

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US3174282A (en) * 1963-04-19 1965-03-23 Ryan Aeronautical Co Asymmetrical jet nozzle noise suppressor
FR1436412A (fr) * 1964-06-04 1966-04-22 Power Jets Res & Dev Ltd Ecrans pour réduire ou supprimer le bruit produit par un jet
US3721314A (en) * 1971-01-20 1973-03-20 Snecma Silencer or muffler for the composite nozzle of an aircraft jet engine
GB2207468A (en) * 1987-06-01 1989-02-01 Secr Defence Vortex silencing in gas turbine engines
US5485959A (en) * 1991-05-16 1996-01-23 General Electric Company Axisymmetric vectoring exhaust nozzle thermal shield
CN2413190Y (zh) * 2000-04-14 2001-01-03 周成荣 带红外消音器的水油高效节能飞机发动机
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

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US2990905A (en) * 1957-05-13 1961-07-04 Lilley Geoffrey Michael Jet noise suppression means
US3527317A (en) 1969-04-18 1970-09-08 Gen Electric Sound control of turbofan engines
US3565208A (en) * 1970-02-02 1971-02-23 Rohr Corp Retractable silencing shield for jet engine nozzle
US3726091A (en) 1971-02-16 1973-04-10 Rohr Corp Sound suppressing apparatus
US4175640A (en) * 1975-03-31 1979-11-27 Boeing Commercial Airplane Company Vortex generators for internal mixing in a turbofan engine
US4214703A (en) * 1979-03-23 1980-07-29 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Aircraft engine nozzle
US4291782A (en) 1979-10-30 1981-09-29 The Boeing Company Simplified method and apparatus for hot-shield jet noise suppression
US4516660A (en) 1980-09-22 1985-05-14 Greenlaw Alfred L Ejector and method for controlling jet engine noise
US4474259A (en) * 1982-04-26 1984-10-02 The Boeing Company Internally ventilated noise suppressor for jet engine
US6253540B1 (en) * 1982-07-08 2001-07-03 General Electric Company Removable baffle infrared suppressor
GB8717584D0 (en) * 1987-07-24 1987-09-03 Friedrich T E Jet engine noise suppression arrangement
US5154052A (en) * 1990-05-07 1992-10-13 General Electric Company Exhaust assembly for a high speed civil transport aircraft engine
US5402963A (en) * 1992-09-15 1995-04-04 General Electric Company Acoustically shielded exhaust system for high thrust jet engines
US5402964A (en) 1993-10-25 1995-04-04 Wygnanski; Israel J. Interference with vortex formation and control of fluid flow to reduce noise and change flow stability
US5428954A (en) 1994-04-11 1995-07-04 Cowan, Sr.; Howard H. System for suppressing engine exhaust noise
DE69526615T2 (de) 1994-09-14 2002-11-28 Mitsubishi Jukogyo K.K., Tokio/Tokyo Wandaufbau für die Austrittsdüse eines Überschall-Strahltriebwerks
US6082635A (en) 1996-06-12 2000-07-04 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Undulated nozzle for enhanced exit area mixing
US5813625A (en) 1996-10-09 1998-09-29 Mcdonnell Douglas Helicopter Company Active blowing system for rotorcraft vortex interaction noise reduction
US6244817B1 (en) 1996-12-05 2001-06-12 Mcdonnell Douglas Corporation Method and apparatus for a fan noise controller
US5947412A (en) 1997-01-10 1999-09-07 Titan Corporation Jet engine noise suppressor assembly
US5826794A (en) * 1997-02-28 1998-10-27 The Boeing Company Aircraft scoop ejector nozzle
US6112512A (en) * 1997-08-05 2000-09-05 Lockheed Martin Corporation Method and apparatus of pulsed injection for improved nozzle flow control
US6360528B1 (en) * 1997-10-31 2002-03-26 General Electric Company Chevron exhaust nozzle for a gas turbine engine
US6308898B1 (en) * 1999-06-11 2001-10-30 The Boeing Company Apparatus and methods for active flow control of a nozzle exhaust plume
US6502383B1 (en) 2000-08-31 2003-01-07 General Electric Company Stub airfoil exhaust nozzle
EP2090769A1 (en) 2000-10-02 2009-08-19 Rohr, Inc. Apparatus, method and system for gas turbine engine noise reduction
US6505706B2 (en) * 2001-06-14 2003-01-14 Pratt & Whitney Canada Corp. Exhaust flow guide for jet noise reduction
US6705547B2 (en) * 2002-02-01 2004-03-16 Luis Manuel Braga Da Costa Campos Active noise reducing nozzle
EP1485600B1 (en) * 2002-02-22 2009-11-04 THE NORDAM GROUP, Inc. Duplex mixer exhaust nozzle
GB0226228D0 (en) * 2002-11-09 2002-12-18 Rolls Royce Plc Suppression of part of the noise from a gas turbine engine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3174282A (en) * 1963-04-19 1965-03-23 Ryan Aeronautical Co Asymmetrical jet nozzle noise suppressor
FR1436412A (fr) * 1964-06-04 1966-04-22 Power Jets Res & Dev Ltd Ecrans pour réduire ou supprimer le bruit produit par un jet
US3721314A (en) * 1971-01-20 1973-03-20 Snecma Silencer or muffler for the composite nozzle of an aircraft jet engine
GB2207468A (en) * 1987-06-01 1989-02-01 Secr Defence Vortex silencing in gas turbine engines
US5485959A (en) * 1991-05-16 1996-01-23 General Electric Company Axisymmetric vectoring exhaust nozzle thermal shield
CN2413190Y (zh) * 2000-04-14 2001-01-03 周成荣 带红外消音器的水油高效节能飞机发动机
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

Also Published As

Publication number Publication date
US7581692B2 (en) 2009-09-01
CA2464830C (en) 2011-04-12
CA2464830A1 (en) 2004-12-30
DE602004001934D1 (de) 2006-09-28
EP1493912A1 (en) 2005-01-05
BRPI0402648A (pt) 2005-02-09
BRPI0402648B1 (pt) 2017-04-04
EP1493912B1 (en) 2006-08-16
US20040262447A1 (en) 2004-12-30
CN1576560A (zh) 2005-02-09
JP2005023929A (ja) 2005-01-27
DE602004001934T2 (de) 2007-03-08

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Granted publication date: 20090701