DE60127971D1 - Vorrichtung und verfahren zur reduktion von strahllärm mittels hochfrequenter schwingungen - Google Patents
Vorrichtung und verfahren zur reduktion von strahllärm mittels hochfrequenter schwingungenInfo
- Publication number
- DE60127971D1 DE60127971D1 DE60127971T DE60127971T DE60127971D1 DE 60127971 D1 DE60127971 D1 DE 60127971D1 DE 60127971 T DE60127971 T DE 60127971T DE 60127971 T DE60127971 T DE 60127971T DE 60127971 D1 DE60127971 D1 DE 60127971D1
- Authority
- DE
- Germany
- Prior art keywords
- radiation noise
- frequency vibrations
- reducing radiation
- reducing
- vibrations
- 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
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
- F02K1/28—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
- F02K1/78—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
-
- 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
- F05D2260/962—Preventing, counteracting or reducing vibration or noise by means of "anti-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
- F05D2260/00—Function
- F05D2260/99—Ignition, e.g. ignition by warming up of fuel or oxidizer in a resonant acoustic cavity
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/651,515 US6375118B1 (en) | 2000-08-30 | 2000-08-30 | High frequency excitation apparatus and method for reducing jet and cavity noise |
US651515 | 2000-08-30 | ||
EP01955947.5A EP1313937B2 (de) | 2000-08-30 | 2001-07-24 | Vorrichtung und verfahren zur reduktion von strahllärm mittels hochfrequenter schwingungen |
PCT/US2001/023345 WO2002018771A1 (en) | 2000-08-30 | 2001-07-24 | High frequency excitation apparatus and method for reducing jet and cavity noise |
Publications (3)
Publication Number | Publication Date |
---|---|
DE60127971D1 true DE60127971D1 (de) | 2007-05-31 |
DE60127971T2 DE60127971T2 (de) | 2008-01-17 |
DE60127971T3 DE60127971T3 (de) | 2014-10-16 |
Family
ID=24613139
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60127971.9T Expired - Lifetime DE60127971T3 (de) | 2000-08-30 | 2001-07-24 | Vorrichtung und verfahren zur reduktion von strahllärm mittels hochfrequenter schwingungen |
Country Status (5)
Country | Link |
---|---|
US (1) | US6375118B1 (de) |
EP (1) | EP1313937B2 (de) |
AU (1) | AU2001277996A1 (de) |
DE (1) | DE60127971T3 (de) |
WO (1) | WO2002018771A1 (de) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7048229B2 (en) * | 2000-09-26 | 2006-05-23 | Techland Research, Inc. | Low sonic boom inlet for supersonic aircraft |
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 |
US6446904B1 (en) * | 2001-10-05 | 2002-09-10 | The United States Of America As Represented By The Secretary Of The Air Force | Aircraft weapons bay high frequency acoustic suppression apparatus |
US6615857B1 (en) | 2002-08-21 | 2003-09-09 | Combustion Research And Flow Technology, Inc. | Modular flow control actuator |
US7308966B2 (en) * | 2003-12-30 | 2007-12-18 | General Electric Company | Device for reducing jet engine exhaust noise using oscillating jets |
US7484589B2 (en) * | 2004-03-04 | 2009-02-03 | The Boeing Company | Apparatus and method for reducing aircraft noise and acoustic fatigue |
US7213788B1 (en) * | 2004-06-01 | 2007-05-08 | Florida State University Research Foundation | Microjet-based control system for cavity flows |
US20060202082A1 (en) * | 2005-01-21 | 2006-09-14 | Alvi Farrukh S | Microjet actuators for the control of flow separation and distortion |
US20090261206A1 (en) * | 2005-01-21 | 2009-10-22 | Alvi Farrukh S | Method of using microjet actuators for the control of flow separation and distortion |
US20070163228A1 (en) * | 2006-01-19 | 2007-07-19 | United Technologies Corporation | Gas augmented rocket engine |
US7797944B2 (en) * | 2006-10-20 | 2010-09-21 | United Technologies Corporation | Gas turbine engine having slim-line nacelle |
US7870721B2 (en) * | 2006-11-10 | 2011-01-18 | United Technologies Corporation | Gas turbine engine providing simulated boundary layer thickness increase |
US7988103B2 (en) * | 2007-01-19 | 2011-08-02 | John Hopkins University | Solid state supersonic flow actuator and method of use |
US8408491B2 (en) * | 2007-04-24 | 2013-04-02 | United Technologies Corporation | Nacelle assembly having inlet airfoil for a gas turbine engine |
US8402739B2 (en) * | 2007-06-28 | 2013-03-26 | United Technologies Corporation | Variable shape inlet section for a nacelle assembly of a gas turbine engine |
US9004399B2 (en) * | 2007-11-13 | 2015-04-14 | United Technologies Corporation | Nacelle flow assembly |
US8186942B2 (en) * | 2007-12-14 | 2012-05-29 | United Technologies Corporation | Nacelle assembly with turbulators |
US8192147B2 (en) * | 2007-12-14 | 2012-06-05 | United Technologies Corporation | Nacelle assembly having inlet bleed |
US8096507B2 (en) * | 2008-01-29 | 2012-01-17 | Innovative Technology Applications | Methods and apparatus for optical propagation improvement system |
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 |
US9404441B2 (en) * | 2008-08-18 | 2016-08-02 | Aerojet Rocketdyne Of De, Inc. | Low velocity injector manifold for hypergolic rocket engine |
US20100140416A1 (en) * | 2008-11-03 | 2010-06-10 | Ohanian Iii Osgar John | Ducted Fans with Flow Control Synthetic Jet Actuators and Methods for Ducted Fan Force and Moment Control |
DE102009057405A1 (de) * | 2009-12-08 | 2011-06-09 | Airbus Operations Gmbh | Flugzeug mit einer Anordnung von Strömungsbeeinflussungs-Vorrichtungen |
US20120024622A1 (en) * | 2010-08-02 | 2012-02-02 | Yen Tuan | Gaseous-fluid supply system for noise abatement application |
US8234869B2 (en) * | 2010-08-09 | 2012-08-07 | Yen Tuan | Aviation engine inlet with tangential blowing for buzz saw noise control |
US8984714B2 (en) | 2011-10-04 | 2015-03-24 | Bha Altair, Llc | Method and systems for acoustic cleaning |
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 |
US10054048B2 (en) * | 2013-07-26 | 2018-08-21 | Lockheed Martin Corporation | Suprression of shock-induced airflow separation |
US10487744B2 (en) | 2016-05-23 | 2019-11-26 | United Technologies Corporation | Fence for duct tone mitigation |
US10787245B2 (en) | 2016-06-01 | 2020-09-29 | The Boeing Company | Distributed compressor for improved integration and performance of an active fluid flow control system |
US10473120B2 (en) * | 2017-03-09 | 2019-11-12 | Denso International America, Inc. | Blower assembly having resonators and resonator assembly |
KR20190010146A (ko) * | 2017-07-21 | 2019-01-30 | 현대자동차주식회사 | 타이어 휠 및 이의 제조방법 |
CN110513162B (zh) * | 2018-05-22 | 2022-06-14 | 通用电气公司 | 斗式入口 |
US10947995B1 (en) * | 2019-08-27 | 2021-03-16 | Pratt & Whitney Canada Corp. | Fan nose cone and dynamic tuning of aircrafts |
CN111470045B (zh) * | 2020-04-30 | 2023-05-23 | 中国飞机强度研究所 | 一种用于飞行器内埋武器舱的自吸式引气装置 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2841344A (en) * | 1955-11-28 | 1958-07-01 | Stroukoff Michael | Boundary layer control |
US3005310A (en) * | 1956-05-01 | 1961-10-24 | Bernard Olcott And Associates | Pulse jet engine |
US3693749A (en) * | 1971-04-26 | 1972-09-26 | Gen Electric | Reduction of gas turbine engine noise annoyance by modulation |
US3774867A (en) * | 1972-06-27 | 1973-11-27 | Us Air Force | Acoustic wing stall delaying device |
FR2376994A1 (fr) * | 1977-01-11 | 1978-08-04 | Snecma | Perfectionnements aux dispositifs a cavites resonnantes pour la reduction du bruit dans un conduit en presence d'un flux gazeux |
JPS5939178B2 (ja) * | 1977-04-25 | 1984-09-21 | 株式会社東芝 | 活性化ガス発生装置 |
US4280587A (en) | 1979-05-08 | 1981-07-28 | The Boeing Company | Noise-suppressing jet engine nozzles and method |
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 |
FR2685386B1 (fr) * | 1991-12-20 | 1994-03-25 | Propulsion Ste Europeenne | Systeme d'amortissement des instabilites de combustion haute frequence dans une chambre de combustion. |
US5325661A (en) * | 1993-04-14 | 1994-07-05 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Jet mixer noise suppressor using acoustic feedback |
US5758823A (en) * | 1995-06-12 | 1998-06-02 | Georgia Tech Research Corporation | Synthetic jet actuator and applications thereof |
US5818947A (en) * | 1996-11-15 | 1998-10-06 | High Technology Corporation | Reducing flow-induced resonance in a cavity |
US6234751B1 (en) * | 1997-06-05 | 2001-05-22 | Mcdonnell Douglas Helicopter Co. | Oscillating air jets for reducing HSI noise |
EP0916817B1 (de) * | 1997-11-18 | 2006-02-08 | Faurecia Abgastechnik GmbH | Aktiver Schalldämpfer |
-
2000
- 2000-08-30 US US09/651,515 patent/US6375118B1/en not_active Expired - Lifetime
-
2001
- 2001-07-24 AU AU2001277996A patent/AU2001277996A1/en not_active Abandoned
- 2001-07-24 DE DE60127971.9T patent/DE60127971T3/de not_active Expired - Lifetime
- 2001-07-24 WO PCT/US2001/023345 patent/WO2002018771A1/en active IP Right Grant
- 2001-07-24 EP EP01955947.5A patent/EP1313937B2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1313937A1 (de) | 2003-05-28 |
EP1313937B1 (de) | 2007-04-18 |
AU2001277996A1 (en) | 2002-03-13 |
DE60127971T2 (de) | 2008-01-17 |
DE60127971T3 (de) | 2014-10-16 |
WO2002018771A1 (en) | 2002-03-07 |
US6375118B1 (en) | 2002-04-23 |
EP1313937B2 (de) | 2014-06-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent |