DE602008003378D1 - Haube für die Düse eines Strahltriebwerks mit Mustern zur Strahllärmunterdrückung, und entsprechende Düse und Strahltriebwerk - Google Patents
Haube für die Düse eines Strahltriebwerks mit Mustern zur Strahllärmunterdrückung, und entsprechende Düse und StrahltriebwerkInfo
- Publication number
- DE602008003378D1 DE602008003378D1 DE602008003378T DE602008003378T DE602008003378D1 DE 602008003378 D1 DE602008003378 D1 DE 602008003378D1 DE 602008003378 T DE602008003378 T DE 602008003378T DE 602008003378 T DE602008003378 T DE 602008003378T DE 602008003378 D1 DE602008003378 D1 DE 602008003378D1
- Authority
- DE
- Germany
- Prior art keywords
- jet
- nozzle
- jet engine
- hood
- patterns
- 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
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
-
- 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
- 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
- F02K3/04—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 plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type
- F02K3/06—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 plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type with front fan
-
- 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
- F05D2250/16—Two-dimensional parabolic
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Jet Pumps And Other Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0757940A FR2921700A1 (fr) | 2007-09-28 | 2007-09-28 | Capot pour tuyere de turbomachine a motifs a reduction de bruit de jet |
Publications (1)
Publication Number | Publication Date |
---|---|
DE602008003378D1 true DE602008003378D1 (de) | 2010-12-23 |
Family
ID=39415060
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602008003378T Active DE602008003378D1 (de) | 2007-09-28 | 2008-09-25 | Haube für die Düse eines Strahltriebwerks mit Mustern zur Strahllärmunterdrückung, und entsprechende Düse und Strahltriebwerk |
Country Status (9)
Country | Link |
---|---|
US (1) | US20090084111A1 (de) |
EP (1) | EP2042721B1 (de) |
JP (1) | JP2009085220A (de) |
CN (1) | CN101398184B (de) |
CA (1) | CA2640236A1 (de) |
DE (1) | DE602008003378D1 (de) |
ES (1) | ES2355009T3 (de) |
FR (1) | FR2921700A1 (de) |
RU (1) | RU2008138460A (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7377108B2 (en) * | 2004-04-09 | 2008-05-27 | The Boeing Company | Apparatus and method for reduction jet noise from single jets |
FR2902837B1 (fr) * | 2006-06-26 | 2008-10-24 | Snecma Sa | Capot pour tuyere de turbomachine muni de motifs triangulaires a doubles sommets pour reduire le bruit de jet |
FR2945838B1 (fr) | 2009-05-20 | 2014-06-13 | Snecma | Capot pour tuyere de turbomachine muni de motifs a ailettes laterales pour reduire le bruit de jet. |
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 |
US8984890B2 (en) * | 2011-10-31 | 2015-03-24 | General Electric Company | Turbofan engine mixer assembly |
CN108019295B (zh) * | 2017-12-15 | 2021-03-30 | 中国航发沈阳发动机研究所 | 一种航空发动机扰流降噪装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2146702B (en) * | 1983-09-14 | 1987-12-23 | Rolls Royce | Exhaust mixer for turbofan aeroengine |
US6360528B1 (en) * | 1997-10-31 | 2002-03-26 | General Electric Company | Chevron exhaust nozzle for a gas turbine engine |
DE50012958D1 (de) * | 1999-03-05 | 2006-07-27 | Rolls Royce Deutschland | Blütenmischer für ein zweikreis-strahltriebwerk |
GB9925193D0 (en) * | 1999-10-26 | 1999-12-22 | 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 |
FR2857416B1 (fr) * | 2003-07-09 | 2007-05-25 | Snecma Moteurs | Dispositif de reduction du bruit de jet d'une turbomachine |
FR2873166B1 (fr) * | 2004-07-13 | 2008-10-31 | Snecma Moteurs Sa | Tuyere de turbomachine a motifs a reduction de bruit de jet |
US7543452B2 (en) * | 2005-08-10 | 2009-06-09 | United Technologies Corporation | Serrated nozzle trailing edge for exhaust noise suppression |
FR2902837B1 (fr) * | 2006-06-26 | 2008-10-24 | Snecma Sa | Capot pour tuyere de turbomachine muni de motifs triangulaires a doubles sommets pour reduire le bruit de jet |
FR2902836B1 (fr) * | 2006-06-26 | 2008-10-24 | Snecma Sa | Capot pour tuyere de turbomachine muni de motifs triangulaires a point d'inflexion pour reduire le bruit de jet |
-
2007
- 2007-09-28 FR FR0757940A patent/FR2921700A1/fr not_active Withdrawn
-
2008
- 2008-09-15 US US12/210,533 patent/US20090084111A1/en not_active Abandoned
- 2008-09-19 JP JP2008240358A patent/JP2009085220A/ja active Pending
- 2008-09-25 EP EP08165157A patent/EP2042721B1/de active Active
- 2008-09-25 ES ES08165157T patent/ES2355009T3/es active Active
- 2008-09-25 DE DE602008003378T patent/DE602008003378D1/de active Active
- 2008-09-25 CN CN2008101613962A patent/CN101398184B/zh active Active
- 2008-09-26 RU RU2008138460/06A patent/RU2008138460A/ru not_active Application Discontinuation
- 2008-09-26 CA CA002640236A patent/CA2640236A1/fr not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20090084111A1 (en) | 2009-04-02 |
CA2640236A1 (fr) | 2009-03-28 |
JP2009085220A (ja) | 2009-04-23 |
EP2042721B1 (de) | 2010-11-10 |
FR2921700A1 (fr) | 2009-04-03 |
CN101398184B (zh) | 2011-09-28 |
RU2008138460A (ru) | 2010-04-10 |
EP2042721A1 (de) | 2009-04-01 |
ES2355009T3 (es) | 2011-03-22 |
CN101398184A (zh) | 2009-04-01 |
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