DE69934757D1 - Vorrichtung zur Dämpfung des Strahllärms bei einem Strahltriebwerk - Google Patents

Vorrichtung zur Dämpfung des Strahllärms bei einem Strahltriebwerk

Info

Publication number
DE69934757D1
DE69934757D1 DE69934757T DE69934757T DE69934757D1 DE 69934757 D1 DE69934757 D1 DE 69934757D1 DE 69934757 T DE69934757 T DE 69934757T DE 69934757 T DE69934757 T DE 69934757T DE 69934757 D1 DE69934757 D1 DE 69934757D1
Authority
DE
Germany
Prior art keywords
jet
damping
noise
engine
jet engine
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
DE69934757T
Other languages
English (en)
Other versions
DE69934757T2 (de
Inventor
Steven H Zysman
Gregory A Kohlenberg
Wesley K Lord
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.)
Raytheon Technologies Corp
Original Assignee
United Technologies Corp
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 United Technologies Corp filed Critical United Technologies Corp
Publication of DE69934757D1 publication Critical patent/DE69934757D1/de
Application granted granted Critical
Publication of DE69934757T2 publication Critical patent/DE69934757T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F02K1/38—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D33/00—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
    • B64D33/04—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of exhaust outlets or jet pipes
    • B64D33/06—Silencing exhaust or propulsion jets
    • 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
    • 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
    • F02K3/025—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 by-pass flow being at least partly used to create an independent thrust component

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
DE69934757T 1998-11-06 1999-11-05 Vorrichtung zur Dämpfung des Strahllärms bei einem Strahltriebwerk Expired - Lifetime DE69934757T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/187,592 US6487848B2 (en) 1998-11-06 1998-11-06 Gas turbine engine jet noise suppressor
US187592 1998-11-06

Publications (2)

Publication Number Publication Date
DE69934757D1 true DE69934757D1 (de) 2007-02-22
DE69934757T2 DE69934757T2 (de) 2007-04-26

Family

ID=22689613

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69934757T Expired - Lifetime DE69934757T2 (de) 1998-11-06 1999-11-05 Vorrichtung zur Dämpfung des Strahllärms bei einem Strahltriebwerk

Country Status (4)

Country Link
US (1) US6487848B2 (de)
EP (1) EP0999358B1 (de)
JP (1) JP2000145475A (de)
DE (1) DE69934757T2 (de)

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GB0105349D0 (en) * 2001-03-03 2001-04-18 Rolls Royce Plc Gas turbine engine exhaust nozzle
US7578132B2 (en) * 2001-03-03 2009-08-25 Rolls-Royce Plc Gas turbine engine exhaust nozzle
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
FR2829802B1 (fr) * 2001-09-19 2004-05-28 Centre Nat Rech Scient Dispositif de controle de melange de jets propulsifs pour reacteur d'avion
JP4220393B2 (ja) 2002-01-30 2009-02-04 ガルフストリーム・エアロスペース・コーポレイション ソニック・ブームの制御及び低減のための超音速航空機の胴体成形及びスパイク状組込体
US6658839B2 (en) * 2002-02-28 2003-12-09 The Boeing Company Convergent/divergent segmented exhaust nozzle
US6732502B2 (en) 2002-03-01 2004-05-11 General Electric Company Counter rotating aircraft gas turbine engine with high overall pressure ratio compressor
GB0205701D0 (en) * 2002-03-12 2002-04-24 Rolls Royce Plc Variable area nozzle
US7293401B2 (en) * 2002-03-20 2007-11-13 The Regents Of The University Of California Jet engine noise suppressor
US6718752B2 (en) 2002-05-29 2004-04-13 The Boeing Company Deployable segmented exhaust nozzle for a jet engine
CN100360786C (zh) * 2003-03-18 2008-01-09 浦晓亭 空气喷气发动机附加装置
US7055329B2 (en) * 2003-03-31 2006-06-06 General Electric Company Method and apparatus for noise attenuation for gas turbine engines using at least one synthetic jet actuator for injecting air
GB0312505D0 (en) * 2003-05-31 2003-07-09 Rolls Royce Plc Engine nozzle
US7458221B1 (en) * 2003-10-23 2008-12-02 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Variable area nozzle including a plurality of convexly vanes with a crowned contour, in a vane to vane sealing arrangement and with nonuniform lengths
US7305817B2 (en) * 2004-02-09 2007-12-11 General Electric Company Sinuous chevron exhaust nozzle
FR2868131B1 (fr) * 2004-03-25 2006-06-09 Airbus France Sas Tuyere primaire a chevrons pour turboreacteur a double flux d'aeronef et aeronef comportant une telle tuyere
US7377109B2 (en) * 2004-04-09 2008-05-27 The Boeing Company Apparatus and method for reduction of jet noise from turbofan engines having separate bypass and core flows
US7377108B2 (en) * 2004-04-09 2008-05-27 The Boeing Company Apparatus and method for reduction jet noise from single jets
FR2873166B1 (fr) * 2004-07-13 2008-10-31 Snecma Moteurs Sa Tuyere de turbomachine a motifs a reduction de bruit de jet
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
SE527787C2 (sv) * 2004-11-05 2006-06-07 Volvo Aero Corp Utloppsanordning till en jetmotor och en jetmotor innefattande sådan utloppsanordning
GB0505246D0 (en) 2005-03-15 2005-04-20 Rolls Royce Plc Engine noise
US7543452B2 (en) * 2005-08-10 2009-06-09 United Technologies Corporation Serrated nozzle trailing edge for exhaust noise suppression
CA3071172A1 (en) 2005-12-15 2008-04-17 Gulfstream Aerospace Corporation Isentropic compression inlet for supersonic aircraft
US7520124B2 (en) * 2006-09-12 2009-04-21 United Technologies Corporation Asymmetric serrated nozzle for exhaust noise reduction
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
US7883049B2 (en) * 2007-04-27 2011-02-08 The Boeing Company Jet nozzle having noise attenuating shield and method therefor
US7963099B2 (en) * 2007-05-21 2011-06-21 General Electric Company Fluted chevron exhaust nozzle
US7926285B2 (en) * 2007-07-18 2011-04-19 General Electric Company Modular chevron exhaust nozzle
FR2920146B1 (fr) * 2007-08-20 2009-10-30 Aircelle Sa Nacelle a section de sortie adaptable
US8393158B2 (en) 2007-10-24 2013-03-12 Gulfstream Aerospace Corporation Low shock strength inlet
DE102007063018A1 (de) * 2007-12-21 2009-06-25 Rolls-Royce Deutschland Ltd & Co Kg Düse mit Leitelementen
GB0801301D0 (en) * 2008-01-25 2008-03-05 Rolls Royce Plc Aeroengine bleed valve
FR2930972B1 (fr) * 2008-05-07 2012-11-30 Airbus France Turbomachine a double flux pour aeronef a emission de bruit reduite
US8087250B2 (en) * 2008-06-26 2012-01-03 General Electric Company Duplex tab exhaust nozzle
US7716932B2 (en) * 2008-07-24 2010-05-18 Spirit Aerosystems, Inc. Dilating fan duct nozzle
US8491253B2 (en) * 2008-11-03 2013-07-23 Energent Corporation Two-phase, axial flow, turbine apparatus
NL2004137C2 (nl) * 2009-12-16 2011-06-20 Intergas Heating Assets B V Ventilatorhuis voor een ventilator voor het aanvoeren van een brandstof/oxidatormengsel aan een brander, inzetstuk en aanvoerinrichting daarvoor.
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
ES2488404T3 (es) * 2011-03-07 2014-08-27 Eads Construcciones Aeronáuticas, S.A. Sistema de evacuación de flujo para un motor de aeronave
DE102012220358A1 (de) 2012-11-08 2014-06-12 Rolls-Royce Deutschland Ltd & Co Kg Düse mit Leitvorrichtungen
DE102012220360A1 (de) 2012-11-08 2014-05-08 Rolls-Royce Deutschland Ltd & Co Kg Düse mit Leitvorrichtungen
US10724479B2 (en) * 2013-03-15 2020-07-28 United Technologies Corporation Thrust efficient turbofan engine
RU2615309C1 (ru) * 2015-10-26 2017-04-04 Акционерное общество "Объединенная двигателестроительная корпорация" (АО "ОДК") Шевронное сопло газотурбинного двигателя
CN105508200B (zh) * 2016-02-03 2018-06-15 广东美芝制冷设备有限公司 压缩机的消音器及具有其的压缩机
CN109372653A (zh) * 2018-12-13 2019-02-22 中国航发沈阳发动机研究所 一种涡扇发动机降噪排气组件
US11440671B2 (en) * 2019-01-24 2022-09-13 Amazon Technologies, Inc. Adjustable motor fairings for aerial vehicles
CN110030112B (zh) * 2019-03-05 2020-11-13 南京航空航天大学 具有双设计点的定几何轴对称进气道

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US3153319A (en) * 1952-07-25 1964-10-20 Young Alec David Jet noise suppression means
FR1422203A (fr) 1964-11-03 1965-12-24 Snecma Perfectionnement à la régulation de section des tuyères à effet de silencieux
US3982696A (en) 1975-07-01 1976-09-28 Grumman American Aviation Corporation Jet noise suppressor nozzle
US4298089A (en) 1976-12-23 1981-11-03 The Boeing Company Vortex generators for internal mixing in a turbofan engine
US4284170A (en) * 1979-10-22 1981-08-18 United Technologies Corporation Gas turbine noise suppressor
GB2082259B (en) 1980-08-15 1984-03-07 Rolls Royce Exhaust flow mixers and nozzles
US4401269A (en) 1980-09-26 1983-08-30 United Technologies Corporation Lobe mixer for gas turbine engine
GB2104967B (en) 1981-09-03 1985-07-17 Rolls Royce Exhaust mixer for turbofan aeroengine
US4592201A (en) 1982-07-12 1986-06-03 General Electric Company Turbofan mixed flow exhaust system
US4754924A (en) 1987-04-03 1988-07-05 Shannon Aubrey J Variable geometry nozzle
GB2207468A (en) * 1987-06-01 1989-02-01 Secr Defence Vortex silencing in gas turbine engines
US4929088A (en) 1988-07-27 1990-05-29 Vortab Corporation Static fluid flow mixing apparatus
US4981368A (en) * 1988-07-27 1991-01-01 Vortab Corporation Static fluid flow mixing method
US5269139A (en) 1991-06-28 1993-12-14 The Boeing Company Jet engine with noise suppressing mixing and exhaust sections
US5222359A (en) 1991-06-28 1993-06-29 The Boeing Company Nozzle system and method for supersonic jet engine
GB2289921A (en) 1994-06-03 1995-12-06 A E Harris Limited Nozzle for turbofan aeroengines
US5638675A (en) 1995-09-08 1997-06-17 United Technologies Corporation Double lobed mixer with major and minor lobes
US5761900A (en) 1995-10-11 1998-06-09 Stage Iii Technologies, L.C. Two-stage mixer ejector suppressor
FR2740175B1 (fr) 1995-10-18 1997-11-21 Snecma Dispositif de pylone associe au melangeur d'une tuyere d'ejection de turboreacteur a flux melangeur
US5771681A (en) * 1996-09-17 1998-06-30 The Boeing Company Aircraft turbofan engine mixing apparatus
US6360528B1 (en) 1997-10-31 2002-03-26 General Electric Company Chevron exhaust nozzle for a gas turbine engine

Also Published As

Publication number Publication date
EP0999358B1 (de) 2007-01-10
EP0999358A2 (de) 2000-05-10
US6487848B2 (en) 2002-12-03
US20020121090A1 (en) 2002-09-05
JP2000145475A (ja) 2000-05-26
DE69934757T2 (de) 2007-04-26
EP0999358A3 (de) 2001-08-01

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