JP2018513306A - 可変設定できるvbv格子を備えるタービンエンジンの吐出流ダクト - Google Patents
可変設定できるvbv格子を備えるタービンエンジンの吐出流ダクト Download PDFInfo
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- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 75
- 230000001154 acute effect Effects 0.000 claims abstract description 45
- 238000000926 separation method Methods 0.000 description 5
- 238000000605 extraction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
- F01D17/12—Final actuators arranged in stator parts
- F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
- F01D17/141—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path
- F01D17/145—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path by means of valves, e.g. for steam turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
- F02C6/04—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output
- F02C6/06—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output providing compressed gas
- F02C6/08—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output providing compressed gas the gas being bled from the gas-turbine compressor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
- F02C9/16—Control of working fluid flow
- F02C9/18—Control of working fluid flow by bleeding, bypassing or acting on variable working fluid interconnections between turbines or compressors or their stages
-
- 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
- F02K3/075—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 controlling flow ratio between flows
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/02—Surge control
-
- 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
- F05D2220/00—Application
- F05D2220/30—Application in turbines
-
- 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
- F05D2240/00—Components
- F05D2240/10—Stators
- F05D2240/12—Fluid guiding means, e.g. vanes
-
- 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
- F05D2240/00—Components
- F05D2240/10—Stators
- F05D2240/12—Fluid guiding means, e.g. vanes
- F05D2240/126—Baffles or ribs
-
- 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
- F05D2240/00—Components
- F05D2240/10—Stators
- F05D2240/12—Fluid guiding means, e.g. vanes
- F05D2240/129—Cascades, i.e. assemblies of similar profiles acting in parallel
-
- 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
- F05D2260/60—Fluid transfer
- F05D2260/605—Venting into the ambient atmosphere or the like
-
- 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
- F05D2260/60—Fluid transfer
- F05D2260/606—Bypassing the fluid
-
- 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
- F05D2270/00—Control
- F05D2270/01—Purpose of the control system
- F05D2270/10—Purpose of the control system to cope with, or avoid, compressor flow instabilities
- F05D2270/101—Compressor surge or stall
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Motor Or Generator Frames (AREA)
Abstract
Description
タービンエンジンの一次ガス流の一次流動空間を画定するように構成される内側シュラウドと、
前記タービンエンジンの二次ガスの二次流動空間を画定するように構成される外側シュラウドと、
内側シュラウドと外側シュラウドとの間に延在する吐出流ダクトであって、吐出流ダクトは、外側シュラウドに形成された出口開口部を通って二次流動空間内に至り、前記出口開口部は、外側シュラウドに実質的に接する吐出面に含まれる、吐出流ダクトと、
外側シュラウドの出口開口部で吐出流ダクトに取り付けられた吐出フィンと、
を備える。
吐出流ダクトの上流側壁に隣接して延在し、吐出流ダクト内でガス流に面して配置された前縁および上面壁を備える、上流側フィンと、
吐出流ダクトの下流側壁に隣接して延在し、前縁および上面壁を備える、下流側フィンと
を備える。
上流側鋭角は、吐出流ダクトの上流側壁と吐出面との間の鋭角と実質的に等しい、
上流側鋭角は、30度〜44度、好ましくは33度〜35度に含まれ、例えば、34度である、
下流側鋭角は、吐出流ダクトの下流側壁と吐出面との間に画定される鋭角と実質的に等しい、
下流側鋭角は、40度〜50度、好ましくは43度〜45度に含まれ、例えば、44度である、
吐出フィンは、前縁および後縁を備える補助フィンをさらに備え、前記補助フィンは、上流側フィンと下流側フィンとの間に延在し、吐出面と補助フィンの前縁における骨格線に対する接平面との間の鋭角は、下流側鋭角と上流側鋭角との間に含まれ、かつ/または
吐出フィンは、各々が前縁および骨格線を備えるn個の補助フィンを備え、上流側フィンと下流側フィンとの間に規則的な間隔で分布し、吐出面とi番目の補助フィンの前縁における骨格線に対する接平面との間の下流側鋭角は、
吐出フィンは、湾曲した骨格線を有する、
吐出フィンは、前縁の反対側に後縁をさらに有し、フィンの後縁における骨格線に対する接平面と吐出面との間の角度は、吐出面に対する吐出流ダクト内のガス流の平均鋭角と、吐出面に対する出口開口部における二次流の流れ方向の角度との平均に等しい。つまり、
タービンエンジンの一次ガス流の一次流動空間10を画定するように構成される内側シュラウド3と、
前記タービンエンジンの二次ガス流の二次流動空間14を画定するように構成される外側シュラウド5と、
内側シュラウド3と外側シュラウド5との間に延在する少なくとも1つの吐出流ダクト18と、
を備える。
式中、
Claims (10)
- 複流タービンのための中間ケーシング(1)のハブ(2)であって、前記ハブ(2)は、
タービンエンジンの一次ガス流の一次流動空間(10)を外側から画定するように構成される内側シュラウド(3)と、
前記タービンエンジンの二次ガス流(F14)の二次流動空間(14)を内側から画定するように構成される外側シュラウド(5)と、
内側シュラウド(3)と外側シュラウド(5)との間に延在する少なくとも1つの吐出流ダクト(18)であって、吐出流ダクト(18)は、外側シュラウド(5)に形成された出口開口部(6)を通って二次流動空間(14)内に至り、前記出口開口部(6)は、外側シュラウド(5)に実質的に接する吐出面(P)に含まれる、吐出流ダクト(18)と、
外側シュラウド(5)の出口開口部(6)で吐出流ダクト(18)に取り付けられた吐出フィン(20)と、を備え、
前記吐出フィン(20)は、ガスの流れ方向の上流側から下流側に向かって、二次流動空間(14)内に、吐出流ダクト(18)の上流側壁(18a)に隣接して延在し、吐出流ダクト(18)内でガス流(F18)に面して配置された前縁(BA)および骨格線(C)を備える、上流側フィン(22)と、吐出流ダクト(18)の下流側壁(18b)に隣接して延在し、前縁(BA)および骨格線(C)を備える、下流側フィン(24)と、を備え、
中間ケーシングのハブ(2)は、吐出面(P)と上流側フィン(20)の前縁(BA)における骨格線(C)に対する接平面(T)との間の上流側鋭角
- 下流側鋭角が、40度〜50度、好ましくは43度〜45度に含まれてもよく、例えば、44度であってもよい、請求項4に記載のハブ(2)。
- 吐出フィン(20)が、湾曲した骨格線(C)を有する、請求項1〜7のいずれか一項に記載のハブ(2)。
- 請求項1〜9のいずれか一項に記載の中間ケーシング(1)のハブ(2)を備える、複流タービンエンジンのための中間ケーシング(1)。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1552808A FR3034461B1 (fr) | 2015-04-01 | 2015-04-01 | Conduit de veine de decharge d'une turbomachine comprenant une grille vbv a calage variable |
FR1552808 | 2015-04-01 | ||
PCT/FR2016/050716 WO2016156739A1 (fr) | 2015-04-01 | 2016-03-31 | Conduit de veine de décharge d'une turbomachine comprenant une grille vbv à calage variable |
Publications (2)
Publication Number | Publication Date |
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JP2018513306A true JP2018513306A (ja) | 2018-05-24 |
JP6768696B2 JP6768696B2 (ja) | 2020-10-14 |
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Country Status (9)
Country | Link |
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US (1) | US10794218B2 (ja) |
EP (1) | EP3277942B1 (ja) |
JP (1) | JP6768696B2 (ja) |
CN (1) | CN107466338B (ja) |
BR (1) | BR112017020929B1 (ja) |
CA (1) | CA2980688C (ja) |
FR (1) | FR3034461B1 (ja) |
RU (1) | RU2715766C2 (ja) |
WO (1) | WO2016156739A1 (ja) |
Families Citing this family (7)
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FR3072127B1 (fr) * | 2017-10-05 | 2019-11-01 | Safran Aircraft Engines | Conduit de decharge d'un moyeu de carter intermediaire pour turboreacteur d'aeronef comportant des canaux de refroidissement |
FR3094043B1 (fr) | 2019-03-18 | 2022-07-08 | Safran Aircraft Engines | Prélèvement de puissance sur corps BP et système d’évacuation de débris |
FR3096083B1 (fr) * | 2019-05-16 | 2021-04-16 | Safran Aircraft Engines | Procédé et dispositif d’estimation et d’utilisation d’une zone morte d’une vanne de turbomachine |
US11702995B2 (en) * | 2020-07-15 | 2023-07-18 | Pratt & Whitney Canada Corp. | Devices and methods for guiding bleed air in a turbofan engine |
FR3115837A1 (fr) | 2020-11-03 | 2022-05-06 | Safran Aircraft Engines | Ensemble pour turbomachine d’aeronef a double flux, l’ensemble etant equipe d’ailettes de decharge d’air pilotees en incidence |
FR3120655B1 (fr) * | 2021-03-09 | 2023-01-27 | Safran | Échangeur de chaleur surfacique avec sorties additionelles |
GB2622626A (en) * | 2022-09-23 | 2024-03-27 | Gkn Aerospace Sweden Ab | Duct arrangement |
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US5809772A (en) * | 1996-03-29 | 1998-09-22 | General Electric Company | Turbofan engine with a core driven supercharged bypass duct |
WO2006091138A1 (en) * | 2005-02-25 | 2006-08-31 | Volvo Aero Corporation | A bleed structure for a bleed passage in a gas turbine engine |
US7730714B2 (en) * | 2005-11-29 | 2010-06-08 | General Electric Company | Turbofan gas turbine engine with variable fan outlet guide vanes |
US7624581B2 (en) * | 2005-12-21 | 2009-12-01 | General Electric Company | Compact booster bleed turbofan |
FR2902142B1 (fr) * | 2006-06-09 | 2008-09-05 | Snecma Sa | Systeme de decharge d'un compresseur a basse pression de turbomachine |
GB2467120B (en) * | 2009-01-21 | 2013-05-15 | Rolls Royce Plc | A gas Turbine engine |
GB201015743D0 (en) * | 2010-09-21 | 2010-10-27 | Rolls Royce Plc | Bleed valve |
US9399951B2 (en) * | 2012-04-17 | 2016-07-26 | General Electric Company | Modular louver system |
EP2696040B1 (de) * | 2012-08-09 | 2017-03-15 | MTU Aero Engines AG | Strömungsleitanordnung zur Kühlung des Niederdruckturbinengehäuses eines Gasturbinenstrahltriebwerk |
US20150275757A1 (en) * | 2012-09-26 | 2015-10-01 | United Technologies Corporation | Bleed duct for laminar fan duct flow |
US9518513B2 (en) * | 2012-10-12 | 2016-12-13 | General Electric Company | Gas turbine engine two degree of freedom variable bleed valve for ice extraction |
GB201322833D0 (ja) * | 2013-12-23 | 2014-02-12 | Rolls Royce Plc |
-
2015
- 2015-04-01 FR FR1552808A patent/FR3034461B1/fr active Active
-
2016
- 2016-03-31 WO PCT/FR2016/050716 patent/WO2016156739A1/fr active Application Filing
- 2016-03-31 BR BR112017020929-2A patent/BR112017020929B1/pt active IP Right Grant
- 2016-03-31 CN CN201680020818.7A patent/CN107466338B/zh active Active
- 2016-03-31 US US15/563,359 patent/US10794218B2/en active Active
- 2016-03-31 RU RU2017134989A patent/RU2715766C2/ru active
- 2016-03-31 EP EP16721861.9A patent/EP3277942B1/fr active Active
- 2016-03-31 CA CA2980688A patent/CA2980688C/fr active Active
- 2016-03-31 JP JP2017551213A patent/JP6768696B2/ja active Active
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Publication number | Publication date |
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CA2980688A1 (fr) | 2016-10-06 |
FR3034461A1 (fr) | 2016-10-07 |
US10794218B2 (en) | 2020-10-06 |
RU2017134989A (ru) | 2019-04-05 |
EP3277942B1 (fr) | 2019-02-20 |
CA2980688C (fr) | 2023-09-05 |
RU2017134989A3 (ja) | 2019-09-12 |
FR3034461B1 (fr) | 2018-03-16 |
WO2016156739A1 (fr) | 2016-10-06 |
RU2715766C2 (ru) | 2020-03-03 |
BR112017020929A2 (pt) | 2018-07-10 |
BR112017020929B1 (pt) | 2022-01-04 |
CN107466338B (zh) | 2019-05-31 |
JP6768696B2 (ja) | 2020-10-14 |
EP3277942A1 (fr) | 2018-02-07 |
CN107466338A (zh) | 2017-12-12 |
US20180080337A1 (en) | 2018-03-22 |
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