JP4949154B2 - 2次カウルの移動により変更可能な排気断面またはスロート断面を有するバイパスターボ機械のガス排気ノズル - Google Patents
2次カウルの移動により変更可能な排気断面またはスロート断面を有するバイパスターボ機械のガス排気ノズル Download PDFInfo
- Publication number
- JP4949154B2 JP4949154B2 JP2007190609A JP2007190609A JP4949154B2 JP 4949154 B2 JP4949154 B2 JP 4949154B2 JP 2007190609 A JP2007190609 A JP 2007190609A JP 2007190609 A JP2007190609 A JP 2007190609A JP 4949154 B2 JP4949154 B2 JP 4949154B2
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- Prior art keywords
- cowl
- section
- cross
- nozzle
- primary
- 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.)
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- 238000011144 upstream manufacturing Methods 0.000 claims description 12
- 230000007423 decrease Effects 0.000 claims description 7
- 230000000295 complement effect Effects 0.000 claims description 3
- 230000002829 reductive effect Effects 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000003071 parasitic effect Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003252 repetitive effect Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
Images
Classifications
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- 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
- F02K1/06—Varying effective area of jet pipe or nozzle
- F02K1/09—Varying effective area of jet pipe or nozzle by axially moving an external member, e.g. a shroud
-
- 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
- F02K1/54—Nozzles having means for reversing jet thrust
- F02K1/64—Reversing fan flow
- F02K1/70—Reversing fan flow using thrust reverser flaps or doors mounted on the fan housing
- F02K1/72—Reversing fan flow using thrust reverser flaps or doors mounted on the fan housing the aft end of the fan housing being movable to uncover openings in the fan housing for the reversed flow
-
- 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
- F05D2250/18—Two-dimensional patterned
- F05D2250/183—Two-dimensional patterned zigzag
-
- 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)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Control Of Turbines (AREA)
Description
12 長手軸
14 ガスタービンエンジン
16 ナセル
18 空気取入口
20 ファン
22 低圧圧縮機
24 高圧圧縮機
26 燃焼室
28 高圧タービン
30 低圧タービン
32 ノズル
34 中心本体
36 1次カウル
38 1次チャネル
40 2次カウル
42 2次チャネル
44 スロート断面
46 排気断面
52 アクチュエータ
54 反復パターン
56 凹部
Claims (4)
- ノズルの長手軸(12)上に中心を置く環状中心本体(34)と、
中心本体を同軸状に囲み、中心本体と協働して1次環状チャネル(38)を画定する環状の1次カウル(36)と、
1次カウルを同軸状に囲み、1次カウルと協働して1次チャネルと同軸の2次環状チャネル(42)を画定する環状の2次カウル(40)と、
を備える、バイパスターボ機械のガス排気ノズル(32)であって、
2次カウル(40)が、静止部分(48)と、静止部分を長手軸方向に延長するように配置され、静止部分に対しておよび1次カウルに対して長手軸方向に上流および下流に移動して、ノズルの排気断面(46)および/またはスロート断面(44)を変更できる、可動部分(50)とを備えることと、
2次カウルの静止部分(48)が、長手軸方向にこの静止部分の後端を延長して配置された、円周方向に間隔を空けた複数の反復パターン(54)を有することと、
2次カウルの可動部分(50)が、外面に静止部分のパターンに相補的な形状の複数の凹部(56)を有することとを特徴とする、ノズル(32)。 - 2次カウル(40)の可動部分(50)が下流に向かって減少する内径を有し、1次カウル(36)が、2次カウルの可動部分に面するこの部分で、下流に向かって減少する外径を有する下流の環状部分(36a)を有し、
2次カウルの可動部分が2つの末端位置間、すなわち公称の排気断面(46)またはスロート断面(44)に対応する下流の末端位置と最小に低減される排気断面またはスロート断面に対応する上流の末端位置との間で長手軸方向に移動可能である、請求項1に記載のノズル。 - 2次カウル(40)が、前記カウルの可動部分(50)を長手軸方向に移動するための少なくとも1つのアクチュエータ(52)を含む、請求項1または2に記載のノズル。
- 請求項1から3のいずれか一項によるガス排気ノズル(32)を含むことを特徴とする、バイパスターボ機械。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0653132 | 2006-07-26 | ||
FR0653132A FR2904372B1 (fr) | 2006-07-26 | 2006-07-26 | Tuyere d'ejection des gaz pour turbomachine a double flux ayant une section d'ejection ou de col variable par deplacement du capot secondaire |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008032002A JP2008032002A (ja) | 2008-02-14 |
JP4949154B2 true JP4949154B2 (ja) | 2012-06-06 |
Family
ID=37667486
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007190609A Active JP4949154B2 (ja) | 2006-07-26 | 2007-07-23 | 2次カウルの移動により変更可能な排気断面またはスロート断面を有するバイパスターボ機械のガス排気ノズル |
Country Status (6)
Country | Link |
---|---|
US (1) | US7600384B2 (ja) |
EP (1) | EP1884650B1 (ja) |
JP (1) | JP4949154B2 (ja) |
CA (1) | CA2594753C (ja) |
FR (1) | FR2904372B1 (ja) |
RU (1) | RU2435053C2 (ja) |
Families Citing this family (22)
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FR2930762B1 (fr) * | 2008-04-30 | 2010-07-30 | Aircelle Sa | Ensemble aval d'une nacelle de turboreacteur |
US20090297339A1 (en) * | 2008-05-29 | 2009-12-03 | General Electric Company | Low noise ejector for a turbomachine |
FR2934875B1 (fr) | 2008-08-06 | 2010-08-13 | Aircelle Sa | Nacelle de turboreacteur a chevrons mobiles. |
US20110120079A1 (en) * | 2009-11-24 | 2011-05-26 | Schwark Jr Fred W | Variable area fan nozzle stiffeners and placement |
US8844262B2 (en) * | 2009-12-29 | 2014-09-30 | Rolls-Royce North American Technologies, Inc. | Exhaust for a gas turbine engine |
US20120079804A1 (en) * | 2010-09-30 | 2012-04-05 | Alan Roy Stuart | Cowl assembly |
FR2971015B1 (fr) * | 2011-02-01 | 2015-02-27 | Snecma | Tuyere d'ejection pour turboreacteur d'avion a double flux separes a capot secondaire deployable et corps central retractable |
US8910482B2 (en) * | 2011-02-02 | 2014-12-16 | The Boeing Company | Aircraft engine nozzle |
US8613398B2 (en) * | 2011-06-17 | 2013-12-24 | General Electric Company | Apparatus and methods for linear actuation of flow altering components of jet engine nozzle |
GB201117824D0 (en) * | 2011-10-17 | 2011-11-30 | Rolls Royce Plc | Variable area nozzle for gas turbine engine |
FR2983917B1 (fr) * | 2011-12-07 | 2013-12-27 | Snecma | Tuyere convergente-divergente de turbomachine |
US9303590B2 (en) | 2012-05-22 | 2016-04-05 | Spirit Aerosystems, Inc. | Variable area fan nozzle actuation system |
US9989009B2 (en) | 2012-10-31 | 2018-06-05 | The Boeing Company | Methods and apparatus for sealing variable area fan nozzles of jet engines |
US10371093B2 (en) | 2013-03-08 | 2019-08-06 | Rolls-Royce North American Technologies Inc. | Aircraft nozzle with a variable nozzle area of a second flow path |
GB201412189D0 (en) * | 2014-07-09 | 2014-08-20 | Rolls Royce Plc | A nozzle arrangement for a gas turbine engine |
FR3052191B1 (fr) * | 2016-06-01 | 2019-07-12 | Safran Aircraft Engines | Inversion de poussee dans une turbomachine avec soufflante a calage variable |
FR3059365B1 (fr) * | 2016-11-25 | 2018-11-23 | Safran Aircraft Engines | Turbomachine a double flux equipee d'un systeme de decharge |
US10767596B2 (en) * | 2017-07-26 | 2020-09-08 | Raytheon Technologies Corporation | Nacelle |
US11046445B2 (en) | 2017-07-26 | 2021-06-29 | Raytheon Technologies Corporation | Nacelle |
GB201810887D0 (en) * | 2018-07-03 | 2018-08-15 | Rolls Royce Plc | Gas turbine engine fan arrangement |
GB201811780D0 (en) | 2018-07-19 | 2018-09-05 | Rolls Royce Plc | Exhaust nozzle assembly |
CN115711188B (zh) * | 2022-11-21 | 2024-06-04 | 北京中科宇航技术有限公司 | 一种提高整体模压喷管粘接界面密封性的结构 |
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-
2006
- 2006-07-26 FR FR0653132A patent/FR2904372B1/fr active Active
-
2007
- 2007-07-06 EP EP07111957.2A patent/EP1884650B1/fr active Active
- 2007-07-12 US US11/776,854 patent/US7600384B2/en active Active
- 2007-07-23 CA CA2594753A patent/CA2594753C/fr active Active
- 2007-07-23 JP JP2007190609A patent/JP4949154B2/ja active Active
- 2007-07-25 RU RU2007128653/06A patent/RU2435053C2/ru active
Also Published As
Publication number | Publication date |
---|---|
US7600384B2 (en) | 2009-10-13 |
FR2904372A1 (fr) | 2008-02-01 |
RU2435053C2 (ru) | 2011-11-27 |
EP1884650B1 (fr) | 2016-08-31 |
EP1884650A1 (fr) | 2008-02-06 |
CA2594753C (fr) | 2014-12-09 |
JP2008032002A (ja) | 2008-02-14 |
RU2007128653A (ru) | 2009-01-27 |
US20080022690A1 (en) | 2008-01-31 |
CA2594753A1 (fr) | 2008-01-26 |
FR2904372B1 (fr) | 2008-10-31 |
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