FR2921977A1 - Turbomoteur a double flux pour aeronef - Google Patents
Turbomoteur a double flux pour aeronef Download PDFInfo
- Publication number
- FR2921977A1 FR2921977A1 FR0707037A FR0707037A FR2921977A1 FR 2921977 A1 FR2921977 A1 FR 2921977A1 FR 0707037 A FR0707037 A FR 0707037A FR 0707037 A FR0707037 A FR 0707037A FR 2921977 A1 FR2921977 A1 FR 2921977A1
- Authority
- FR
- France
- Prior art keywords
- flow
- cold
- nacelle
- cold flow
- fan cowl
- 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.)
- Granted
Links
- 230000035939 shock Effects 0.000 claims description 33
- 238000009423 ventilation Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 4
- 230000001902 propagating effect Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
Classifications
-
- 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
- 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
-
- 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
- F05D2210/00—Working fluids
- F05D2210/30—Flow characteristics
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)
Abstract
Description
Claims (8)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0707037A FR2921977B1 (fr) | 2007-10-08 | 2007-10-08 | Turbomoteur a double flux pour aeronef |
US12/238,089 US8959924B2 (en) | 2007-10-08 | 2008-09-25 | Aircraft turbofan engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0707037A FR2921977B1 (fr) | 2007-10-08 | 2007-10-08 | Turbomoteur a double flux pour aeronef |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2921977A1 true FR2921977A1 (fr) | 2009-04-10 |
FR2921977B1 FR2921977B1 (fr) | 2012-09-21 |
Family
ID=39484921
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0707037A Active FR2921977B1 (fr) | 2007-10-08 | 2007-10-08 | Turbomoteur a double flux pour aeronef |
Country Status (2)
Country | Link |
---|---|
US (1) | US8959924B2 (fr) |
FR (1) | FR2921977B1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2973443A1 (fr) * | 2011-03-30 | 2012-10-05 | Snecma | Capot primaire poreux pour turboreacteur |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2622345C2 (ru) * | 2015-05-06 | 2017-06-14 | Цзывань Ли | Способ повышения тяги двухконтурного турбореактивного двигателя |
PL414889A1 (pl) * | 2015-11-23 | 2017-06-05 | General Electric Company | Okapotowanie sprężające dla wylotu silnika odrzutowego |
PL420340A1 (pl) * | 2017-01-30 | 2018-08-13 | General Electric Company | Redukowanie fali uderzeniowej dyszy ujściowej |
GB201701710D0 (en) * | 2017-02-02 | 2017-03-22 | Rolls Royce Plc | Core cowl after-body |
CN113550840B (zh) * | 2020-04-26 | 2023-02-03 | 中国航发商用航空发动机有限责任公司 | 风扇激波噪声预测和抑制方法、装置和存储介质 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0779429A2 (fr) * | 1995-12-14 | 1997-06-18 | United Technologies Corporation | Tuyère à section variable pour turbosoufflante |
EP1031510A2 (fr) * | 1999-02-25 | 2000-08-30 | The Boeing Company | Tuyère d'échappement pour une nacelle de turboréacteur à soufflante avec bouchon pour embout primaire concave |
WO2003060311A1 (fr) * | 2002-01-09 | 2003-07-24 | The Nordam Group, Inc. | Tuyere a noyau central a surface variable |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3896615A (en) * | 1973-02-08 | 1975-07-29 | United Aircraft Corp | Gas turbine engine for subsonic flight |
US4410150A (en) * | 1980-03-03 | 1983-10-18 | General Electric Company | Drag-reducing nacelle |
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 |
US5904320A (en) * | 1994-07-14 | 1999-05-18 | Northrop Gunman Corporation | Blockerless thrust reverser |
FR2736684B1 (fr) * | 1995-07-12 | 1997-09-12 | Aerospatiale | Statoreacteur pour aeronef a vol supersonique et/ou hypersonique |
FR2882401B1 (fr) * | 2005-02-22 | 2007-05-11 | Agence Spatiale Europeenne | Dispositif et procede pour reduire les forces laterales non stationnaires agissant sur une tuyere d'un moteur de fusee |
GB0505246D0 (en) * | 2005-03-15 | 2005-04-20 | Rolls Royce Plc | Engine noise |
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. |
FR2892152B1 (fr) * | 2005-10-19 | 2007-11-23 | Airbus France Sas | Turbomoteur a bruit de jet attenue |
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 |
GB0607773D0 (en) * | 2006-04-20 | 2006-05-31 | Rolls Royce Plc | A gas turbine engine |
US8359825B2 (en) * | 2008-05-21 | 2013-01-29 | Florida State University Research Foundation | Microjet creation and control of shock waves |
US8371104B2 (en) * | 2008-10-10 | 2013-02-12 | Lockheed Martin Corporation | System and apparatus for vectoring nozzle exhaust plume from a nozzle |
-
2007
- 2007-10-08 FR FR0707037A patent/FR2921977B1/fr active Active
-
2008
- 2008-09-25 US US12/238,089 patent/US8959924B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0779429A2 (fr) * | 1995-12-14 | 1997-06-18 | United Technologies Corporation | Tuyère à section variable pour turbosoufflante |
EP1031510A2 (fr) * | 1999-02-25 | 2000-08-30 | The Boeing Company | Tuyère d'échappement pour une nacelle de turboréacteur à soufflante avec bouchon pour embout primaire concave |
WO2003060311A1 (fr) * | 2002-01-09 | 2003-07-24 | The Nordam Group, Inc. | Tuyere a noyau central a surface variable |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2973443A1 (fr) * | 2011-03-30 | 2012-10-05 | Snecma | Capot primaire poreux pour turboreacteur |
Also Published As
Publication number | Publication date |
---|---|
US8959924B2 (en) | 2015-02-24 |
US20090090095A1 (en) | 2009-04-09 |
FR2921977B1 (fr) | 2012-09-21 |
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Legal Events
Date | Code | Title | Description |
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CA | Change of address |
Effective date: 20110916 |
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CD | Change of name or company name |
Owner name: AIRBUS HOLDING, FR Effective date: 20110916 |
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CJ | Change in legal form |
Effective date: 20110916 |
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TP | Transmission of property |
Owner name: AIRBUS HOLDING, FR Effective date: 20110913 |
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PLFP | Fee payment |
Year of fee payment: 9 |
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