EP2241723A4 - Paroi d'extrémité de grille d'aube de turbine - Google Patents
Paroi d'extrémité de grille d'aube de turbineInfo
- Publication number
- EP2241723A4 EP2241723A4 EP08872470A EP08872470A EP2241723A4 EP 2241723 A4 EP2241723 A4 EP 2241723A4 EP 08872470 A EP08872470 A EP 08872470A EP 08872470 A EP08872470 A EP 08872470A EP 2241723 A4 EP2241723 A4 EP 2241723A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- end wall
- turbine blade
- cascade end
- cascade
- turbine
- 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
Classifications
-
- 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
- F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
- F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using blades
-
- 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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/141—Shape, i.e. outer, aerodynamic form
-
- 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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/141—Shape, i.e. outer, aerodynamic form
- F01D5/142—Shape, i.e. outer, aerodynamic form of the blades of successive rotor or stator blade-rows
- F01D5/143—Contour of the outer or inner working fluid flow path wall, i.e. shroud or hub contour
-
- 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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/141—Shape, i.e. outer, aerodynamic form
- F01D5/145—Means for influencing boundary layers or secondary circulations
-
- 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
- F05D2250/70—Shape
-
- 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
- F05D2250/70—Shape
- F05D2250/71—Shape curved
- F05D2250/711—Shape curved convex
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Hydraulic Turbines (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008030937A JP5291355B2 (ja) | 2008-02-12 | 2008-02-12 | タービン翼列エンドウォール |
PCT/JP2008/067231 WO2009101722A1 (fr) | 2008-02-12 | 2008-09-25 | Paroi d'extrémité de grille d'aube de turbine |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2241723A1 EP2241723A1 (fr) | 2010-10-20 |
EP2241723A4 true EP2241723A4 (fr) | 2013-03-06 |
EP2241723B1 EP2241723B1 (fr) | 2014-08-13 |
Family
ID=40956766
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08872470.3A Active EP2241723B1 (fr) | 2008-02-12 | 2008-09-25 | Paroi d'extrémité de grille d'aube de turbine |
Country Status (6)
Country | Link |
---|---|
US (1) | US20100284818A1 (fr) |
EP (1) | EP2241723B1 (fr) |
JP (1) | JP5291355B2 (fr) |
KR (1) | KR20100097757A (fr) |
CN (1) | CN101925723B (fr) |
WO (1) | WO2009101722A1 (fr) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8403645B2 (en) | 2009-09-16 | 2013-03-26 | United Technologies Corporation | Turbofan flow path trenches |
FR2950942B1 (fr) * | 2009-10-02 | 2013-08-02 | Snecma | Rotor d'un compresseur de turbomachine a paroi d'extremite interne optimisee |
JP2012233406A (ja) | 2011-04-28 | 2012-11-29 | Hitachi Ltd | ガスタービン静翼 |
JP5842382B2 (ja) | 2011-05-13 | 2016-01-13 | 株式会社Ihi | ガスタービンエンジン |
US8915706B2 (en) | 2011-10-18 | 2014-12-23 | General Electric Company | Transition nozzle |
US8967959B2 (en) | 2011-10-28 | 2015-03-03 | General Electric Company | Turbine of a turbomachine |
US9255480B2 (en) | 2011-10-28 | 2016-02-09 | General Electric Company | Turbine of a turbomachine |
US9051843B2 (en) | 2011-10-28 | 2015-06-09 | General Electric Company | Turbomachine blade including a squeeler pocket |
US8992179B2 (en) * | 2011-10-28 | 2015-03-31 | General Electric Company | Turbine of a turbomachine |
CN102536329B (zh) * | 2011-12-31 | 2014-04-02 | 西北工业大学 | 一种压气机/涡轮环形叶栅的非轴对称端壁造型方法 |
US9103213B2 (en) | 2012-02-29 | 2015-08-11 | General Electric Company | Scalloped surface turbine stage with purge trough |
US9085985B2 (en) | 2012-03-23 | 2015-07-21 | General Electric Company | Scalloped surface turbine stage |
US9267386B2 (en) | 2012-06-29 | 2016-02-23 | United Technologies Corporation | Fairing assembly |
EP2696029B1 (fr) * | 2012-08-09 | 2015-10-07 | MTU Aero Engines AG | Grille d'aube avec définition de contour de la paroi latérale et turbomachine |
WO2014028056A1 (fr) | 2012-08-17 | 2014-02-20 | United Technologies Corporation | Surface profilée de chemin d'écoulement |
CN106089806A (zh) * | 2016-05-30 | 2016-11-09 | 西北工业大学 | 一种减小扩压器分离损失的端壁处理方法 |
DE102016211315A1 (de) | 2016-06-23 | 2017-12-28 | MTU Aero Engines AG | Lauf- oder Leitschaufel mit erhabenen Bereichen |
ES2819128T3 (es) * | 2017-03-03 | 2021-04-15 | MTU Aero Engines AG | Contorneo de una plataforma de una rejilla de paletas |
EP3404210B1 (fr) * | 2017-05-15 | 2024-07-31 | MTU Aero Engines AG | Segment de grille d'aubes d'une turbomachine avec paroi de plateforme non-axisymétrique , grille d'aubes, canal d'aube, plateforme, turbomachine associés |
EP3404211A1 (fr) * | 2017-05-15 | 2018-11-21 | MTU Aero Engines GmbH | Segment de grille d'aubes d'une turbine avec paroi de plateforme contourée, grille d'aubes, canal d'aube, plateforme, turbine et moteur d'aéronef associés |
EP3755885A1 (fr) * | 2018-03-30 | 2020-12-30 | Siemens Aktiengesellschaft | Plate-forme d'étage de turbine avec contour de paroi d'extrémité incorporant une face d'accouplement ondulée |
US11639666B2 (en) | 2021-09-03 | 2023-05-02 | Pratt & Whitney Canada Corp. | Stator with depressions in gaspath wall adjacent leading edges |
US11415012B1 (en) * | 2021-09-03 | 2022-08-16 | Pratt & Whitney Canada Corp. | Tandem stator with depressions in gaspath wall |
CN114542502B (zh) * | 2022-01-26 | 2023-05-26 | 西北工业大学 | 叶栅前端壁旋涡发生器可调的压气机/涡轮叶栅实验装置 |
DE102022113750A1 (de) * | 2022-05-31 | 2023-11-30 | MTU Aero Engines AG | Ringraumkonturierung |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB944166A (en) * | 1960-03-02 | 1963-12-11 | Werner Hausammann | Rotor for turbines or compressors |
WO2006067359A1 (fr) * | 2004-12-21 | 2006-06-29 | Honeywell International, Inc. | Roue de turbine a inducteur a balayage arriere |
EP1681438A2 (fr) * | 2004-12-24 | 2006-07-19 | The General Electric Company | Etage de turbine avec plate-forme de surface échancrée |
JP2007247542A (ja) * | 2006-03-16 | 2007-09-27 | Mitsubishi Heavy Ind Ltd | タービン翼列エンドウォール |
US20070258819A1 (en) * | 2006-05-02 | 2007-11-08 | United Technologies Corporation | Airfoil array with an endwall protrusion and components of the array |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9417406D0 (en) * | 1994-08-30 | 1994-10-19 | Gec Alsthom Ltd | Turbine blade |
DE19650656C1 (de) * | 1996-12-06 | 1998-06-10 | Mtu Muenchen Gmbh | Turbomaschine mit transsonischer Verdichterstufe |
CN2288271Y (zh) * | 1997-05-13 | 1998-08-19 | 北京全三维动力工程有限公司 | 一种冲动式涡轮机弯扭静叶栅 |
GB9823840D0 (en) * | 1998-10-30 | 1998-12-23 | Rolls Royce Plc | Bladed ducting for turbomachinery |
US6419446B1 (en) * | 1999-08-05 | 2002-07-16 | United Technologies Corporation | Apparatus and method for inhibiting radial transfer of core gas flow within a core gas flow path of a gas turbine engine |
US6669445B2 (en) * | 2002-03-07 | 2003-12-30 | United Technologies Corporation | Endwall shape for use in turbomachinery |
US6969232B2 (en) * | 2002-10-23 | 2005-11-29 | United Technologies Corporation | Flow directing device |
JP4346412B2 (ja) * | 2003-10-31 | 2009-10-21 | 株式会社東芝 | タービン翼列装置 |
WO2006033407A1 (fr) * | 2004-09-24 | 2006-03-30 | Ishikawajima-Harima Heavy Industries Co., Ltd. | Forme de paroi de machine a flux axial et turbomoteur a gaz |
US7220100B2 (en) * | 2005-04-14 | 2007-05-22 | General Electric Company | Crescentic ramp turbine stage |
GB0518628D0 (en) * | 2005-09-13 | 2005-10-19 | Rolls Royce Plc | Axial compressor blading |
-
2008
- 2008-02-12 JP JP2008030937A patent/JP5291355B2/ja active Active
- 2008-09-25 WO PCT/JP2008/067231 patent/WO2009101722A1/fr active Application Filing
- 2008-09-25 KR KR1020107016954A patent/KR20100097757A/ko active Search and Examination
- 2008-09-25 CN CN200880125635.7A patent/CN101925723B/zh active Active
- 2008-09-25 US US12/812,115 patent/US20100284818A1/en not_active Abandoned
- 2008-09-25 EP EP08872470.3A patent/EP2241723B1/fr active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB944166A (en) * | 1960-03-02 | 1963-12-11 | Werner Hausammann | Rotor for turbines or compressors |
WO2006067359A1 (fr) * | 2004-12-21 | 2006-06-29 | Honeywell International, Inc. | Roue de turbine a inducteur a balayage arriere |
EP1681438A2 (fr) * | 2004-12-24 | 2006-07-19 | The General Electric Company | Etage de turbine avec plate-forme de surface échancrée |
JP2007247542A (ja) * | 2006-03-16 | 2007-09-27 | Mitsubishi Heavy Ind Ltd | タービン翼列エンドウォール |
US20070258819A1 (en) * | 2006-05-02 | 2007-11-08 | United Technologies Corporation | Airfoil array with an endwall protrusion and components of the array |
Non-Patent Citations (2)
Title |
---|
ROSE M ET AL: "THE EFFECT OF END-WALL PROFILING ON SECONDARY FLOW AND LOSS DEVELOPMENT IN A TURBINE CASCADE", PROCEEDINGS OF ASME TURBO EXPO 2002, GT-2002-30339, ASME,, 3 June 2002 (2002-06-03), pages 135 - 145, XP008138428 * |
See also references of WO2009101722A1 * |
Also Published As
Publication number | Publication date |
---|---|
US20100284818A1 (en) | 2010-11-11 |
JP5291355B2 (ja) | 2013-09-18 |
KR20100097757A (ko) | 2010-09-03 |
JP2009191656A (ja) | 2009-08-27 |
CN101925723B (zh) | 2016-06-01 |
WO2009101722A1 (fr) | 2009-08-20 |
CN104165070A (zh) | 2014-11-26 |
EP2241723A1 (fr) | 2010-10-20 |
CN101925723A (zh) | 2010-12-22 |
EP2241723B1 (fr) | 2014-08-13 |
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