JP2005023929A5 - - Google Patents

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Publication number
JP2005023929A5
JP2005023929A5 JP2004132863A JP2004132863A JP2005023929A5 JP 2005023929 A5 JP2005023929 A5 JP 2005023929A5 JP 2004132863 A JP2004132863 A JP 2004132863A JP 2004132863 A JP2004132863 A JP 2004132863A JP 2005023929 A5 JP2005023929 A5 JP 2005023929A5
Authority
JP
Japan
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.)
Pending
Application number
JP2004132863A
Other languages
Japanese (ja)
Other versions
JP2005023929A (ja
Filing date
Publication date
Priority claimed from US10/610,718 external-priority patent/US7581692B2/en
Application filed filed Critical
Publication of JP2005023929A publication Critical patent/JP2005023929A/ja
Publication of JP2005023929A5 publication Critical patent/JP2005023929A5/ja
Pending legal-status Critical Current

Links

JP2004132863A 2003-06-30 2004-04-28 ジェット騒音低減のための流体シェブロン及び構成可能な熱シールド Pending JP2005023929A (ja)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JP2005023929A JP2005023929A (ja) 2005-01-27
JP2005023929A5 true JP2005023929A5 (enExample) 2007-06-14

Family

ID=33435412

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004132863A Pending JP2005023929A (ja) 2003-06-30 2004-04-28 ジェット騒音低減のための流体シェブロン及び構成可能な熱シールド

Country Status (7)

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

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Family Cites Families (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2990905A (en) * 1957-05-13 1961-07-04 Lilley Geoffrey Michael Jet noise suppression means
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
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
FR2126922B1 (enExample) * 1971-01-20 1975-01-17 Snecma
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
GB2207468A (en) 1987-06-01 1989-02-01 Secr Defence Vortex silencing in gas turbine engines
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
DE69232222T2 (de) * 1991-05-16 2002-08-22 General Electric Co., Schenectady Hitzeschild für achsymmetrische schwenkbare Schubdüse
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
EP0702141B1 (en) 1994-09-14 2002-05-08 Mitsubishi Jukogyo Kabushiki Kaisha Wall assembly for an exhaust gas nozzle of a supersonic jet engine
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
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
US6502383B1 (en) 2000-08-31 2003-01-07 General Electric Company Stub airfoil exhaust nozzle
US7159383B2 (en) 2000-10-02 2007-01-09 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
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
US6705547B2 (en) * 2002-02-01 2004-03-16 Luis Manuel Braga Da Costa Campos Active noise reducing nozzle
CA2476503C (en) * 2002-02-22 2011-05-24 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

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