JP7230058B2 - 円錐形端壁の端壁輪郭形成 - Google Patents
円錐形端壁の端壁輪郭形成 Download PDFInfo
- Publication number
- JP7230058B2 JP7230058B2 JP2020552885A JP2020552885A JP7230058B2 JP 7230058 B2 JP7230058 B2 JP 7230058B2 JP 2020552885 A JP2020552885 A JP 2020552885A JP 2020552885 A JP2020552885 A JP 2020552885A JP 7230058 B2 JP7230058 B2 JP 7230058B2
- Authority
- JP
- Japan
- Prior art keywords
- airfoil
- turbine stage
- endwall
- end wall
- engine axis
- 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
Images
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
- 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
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/32—Application in turbines in gas 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
- F05D2240/20—Rotors
- F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05D2240/303—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the leading edge of a rotor blade
-
- 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
- F05D2240/20—Rotors
- F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05D2240/304—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the trailing edge of a rotor blade
-
- 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
Description
Claims (11)
- ハブ側に位置する内側端壁(20)から半径方向外向きに延伸し、円周方向に離間して配置されて作動媒体を通す流路(50)をその間に画定する翼型列(10)を備えたタービン段(100)であって、
上流側(60)から下流側(70)への当該タービン段(100)の軸方向において、0%の軸方向位置CaxIDが、前記内側端壁(20)上の前記翼型列(10)の前縁位置として定義され、そして、100%の軸方向位置CaxIDが、前記内側端壁(20)上の前記翼型列(10)の後縁位置として定義され、
前記軸方向における任意の位置で、0%の周方向位置PitchIDが、第1の翼型(10a)の圧力側面(12)における前記内側端壁(20)上の第1の位置として定義され、そして、100%の周方向位置PitchIDが、当該タービン段(100)の周方向において前記第1の翼型(10a)に隣接する第2の翼型(10b)の負圧側面(14)の前記内側端壁(20)上の第2の位置として定義され、該第2の位置は、前記周方向において前記第1の翼型(10a)の前記圧力側面(12)の前記第1の位置と向かい合っており、
前記内側端壁(20)は、前記流路(50)が前記上流側(60)から前記下流側(70)へ末広がりになるように、エンジン軸(40)に対して角度α1で傾斜しており、
前記内側端壁(20)は、前記エンジン軸(40)について非軸対称であって、前記第1の翼型(10a)と前記第2の翼型(10b)との間に位置する中間流路隆起(22)を有し、該中間流路隆起(22)は、20%~60%の軸方向位置CaxID及び30%~70%の周方向位置PitchIDに頂部(24)を有し、
前記中間流路隆起(22)は、前記第2の翼型(10b)の前記負圧側面(14)から離間していると共に、前記第1の翼型(10a)の前記圧力側面(12)からも離間している、タービン段(100)。 - 前記中間流路隆起(22)の前記頂部(24)が30%~50%の軸方向位置CaxIDに位置する、請求項1に記載のタービン段(100)。
- 前記中間流路隆起(22)の前記頂部(24)が40%~60%の周方向位置PitchIDに位置する、請求項1又は2に記載のタービン段(100)。
- 前記中間流路隆起(22)の前記頂部(24)は、前記内側端壁(20)の公称表面(26)に対し垂直に測定して、軸方向翼弦長(LID)の3%~8%の高さ(h)を有する、請求項1~3のいずれか1項に記載のタービン段(100)。
- 前記内側端壁(20)は、前記上流側(60)から前記下流側(70)への方向において前記エンジン軸(40)に向かって傾斜しており、前記エンジン軸(40)に対する前記内側端壁(20)の傾斜の前記角度α1が5度~25度の範囲にある、請求項1~4のいずれか1項に記載のタービン段(100)。
- 前記翼型列(10)の先端側に位置する外側端壁(30)がさらに設けられており、
前記上流側(60)から前記下流側(70)への当該タービン段(100)の軸方向において、0%の軸方向位置CaxODが、前記外側端壁(30)上の前記翼型列(10)の前縁位置として定義され、そして、100%の軸方向位置CaxODが、前記外側端壁(30)上の前記翼型列(10)の後縁位置として定義され、
前記軸方向における任意の位置で、0%の周方向位置PitchODが、前記第1の翼型(10a)の前記圧力側面(12)における前記外側端壁(30)上の第1の位置として定義され、そして、100%の周方向位置PitchODが、当該タービン段(100)の周方向において前記第1の翼型(10a)に隣接する前記第2の翼型(10b)の前記負圧側面(14)の前記外側端壁(30)上の第2の位置として定義され、該第2の位置は、前記周方向において前記第1の翼型(10a)の前記圧力側面(12)の前記第1の位置と向かい合っており、
前記外側端壁(30)は、前記流路(50)が前記上流側(60)から前記下流側(70)へ末広がりになるように、前記エンジン軸(40)に対して角度α2で傾斜しており、
前記外側端壁(30)は、前記エンジン軸(40)について非軸対称であって、前記第1の翼型(10a)と前記第2の翼型(10b)との間に位置する中間流路窪み(32)を備え、該中間流路窪み(32)は、20%~60%の軸方向位置CaxOD及び30%~70%の周方向位置PitchODに底部(34)を有する、請求項1~5のいずれか1項に記載のタービン段(100)。 - 前記中間流路窪み(32)は、前記第1の翼型(10a)の前記圧力側面(12)から離間している、請求項6に記載のタービン段(100)。
- 前記エンジン軸(40)に対する前記内側端壁(20)の傾斜の前記角度α1は、前記エンジン軸(40)に対する前記外側端壁(30)の傾斜の前記角度α2よりも浅い、請求項6又は7に記載のタービン段(100)。
- 前記外側端壁(30)は、前記上流側(60)から前記下流側(70)への方向において前記エンジン軸(40)から離れる方へ傾斜しており、前記エンジン軸(40)に対する前記外側端壁(30)の傾斜の前記角度α2は、10度~45度の範囲内にある、請求項6~8のいずれか1項に記載のタービン段(100)。
- 前記内側端壁(20)の前記中間流路隆起(22)は、前記第2の翼型(10b)の前記負圧側面(14)よりも前記第1の翼型(10a)の前記圧力側面(12)に近く、前記外側端壁(30)の前記中間流路窪み(32)は、前記第1の翼型(10a)の前記圧力側面(12)よりも前記第2の翼型(10b)の前記負圧側面(14)に近い、請求項6~9のいずれか1項に記載のタービン段(100)。
- 前記翼型列(10)は、一列のタービン静翼の一部である、請求項1~10のいずれか1項に記載のタービン段(100)。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2018/025310 WO2019190540A1 (en) | 2018-03-30 | 2018-03-30 | Endwall contouring for a conical endwall |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2021526606A JP2021526606A (ja) | 2021-10-07 |
JPWO2019190540A5 JPWO2019190540A5 (ja) | 2023-01-31 |
JP7230058B2 true JP7230058B2 (ja) | 2023-02-28 |
Family
ID=62002500
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020552885A Active JP7230058B2 (ja) | 2018-03-30 | 2018-03-30 | 円錐形端壁の端壁輪郭形成 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11560797B2 (ja) |
EP (1) | EP3759318A1 (ja) |
JP (1) | JP7230058B2 (ja) |
CN (1) | CN111936722B (ja) |
WO (1) | WO2019190540A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11415012B1 (en) | 2021-09-03 | 2022-08-16 | Pratt & Whitney Canada Corp. | Tandem stator with depressions in gaspath wall |
US11639666B2 (en) * | 2021-09-03 | 2023-05-02 | Pratt & Whitney Canada Corp. | Stator with depressions in gaspath wall adjacent leading edges |
CN114991876B (zh) * | 2022-07-15 | 2023-07-07 | 北京航空航天大学 | 一种部分冠涡轮叶冠周向造型设计方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7887297B2 (en) | 2006-05-02 | 2011-02-15 | United Technologies Corporation | Airfoil array with an endwall protrusion and components of the array |
JP2017089637A (ja) | 2015-11-11 | 2017-05-25 | ゼネラル・エレクトリック・カンパニイ | タービンの部分を一体化するためのシステム |
Family Cites Families (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4677828A (en) * | 1983-06-16 | 1987-07-07 | United Technologies Corporation | Circumferentially area ruled duct |
DE19650656C1 (de) * | 1996-12-06 | 1998-06-10 | Mtu Muenchen Gmbh | Turbomaschine mit transsonischer Verdichterstufe |
JPH10184304A (ja) * | 1996-12-27 | 1998-07-14 | Toshiba Corp | 軸流タービンのタービンノズルおよびタービン動翼 |
KR20010005910A (ko) * | 1997-04-01 | 2001-01-15 | 칼 하인쯔 호르닝어 | 유동 채널 또는 터빈 블레이드의 벽 표면 구조 |
SE9904603D0 (sv) * | 1999-12-16 | 1999-12-16 | Atlas Copco Tools Ab | Turbine motor for elastic fluid operation |
DE102004036594A1 (de) * | 2004-07-28 | 2006-03-23 | Mtu Aero Engines Gmbh | Strömungsstruktur für eine Gasturbine |
CA2569026C (en) * | 2004-09-24 | 2009-10-20 | Ishikawajima-Harima Heavy Industries Co., Ltd. | Wall configuration of axial-flow machine, and gas turbine engine |
US7648334B2 (en) * | 2005-12-29 | 2010-01-19 | Rolls-Royce Power Engineering Plc | Airfoil for a second stage nozzle guide vane |
US7722329B2 (en) * | 2005-12-29 | 2010-05-25 | Rolls-Royce Power Engineering Plc | Airfoil for a third stage nozzle guide vane |
US8511978B2 (en) * | 2006-05-02 | 2013-08-20 | United Technologies Corporation | Airfoil array with an endwall depression and components of the array |
US8313291B2 (en) * | 2007-12-19 | 2012-11-20 | Nuovo Pignone, S.P.A. | Turbine inlet guide vane with scalloped platform and related method |
US8647067B2 (en) * | 2008-12-09 | 2014-02-11 | General Electric Company | Banked platform turbine blade |
US8459956B2 (en) * | 2008-12-24 | 2013-06-11 | General Electric Company | Curved platform turbine blade |
US8231353B2 (en) * | 2008-12-31 | 2012-07-31 | General Electric Company | Methods and apparatus relating to improved turbine blade platform contours |
EP2261462A1 (en) * | 2009-06-02 | 2010-12-15 | Alstom Technology Ltd | End wall structure for a turbine stage |
US8439643B2 (en) * | 2009-08-20 | 2013-05-14 | General Electric Company | Biformal platform turbine blade |
FR2950942B1 (fr) * | 2009-10-02 | 2013-08-02 | Snecma | Rotor d'un compresseur de turbomachine a paroi d'extremite interne optimisee |
US8591184B2 (en) * | 2010-08-20 | 2013-11-26 | General Electric Company | Hub flowpath contour |
DE102011006273A1 (de) * | 2011-03-28 | 2012-10-04 | Rolls-Royce Deutschland Ltd & Co Kg | Rotor einer Axialverdichterstufe einer Turbomaschine |
DE102011006275A1 (de) * | 2011-03-28 | 2012-10-04 | Rolls-Royce Deutschland Ltd & Co Kg | Stator einer Axialverdichterstufe einer Turbomaschine |
US8721291B2 (en) * | 2011-07-12 | 2014-05-13 | Siemens Energy, Inc. | Flow directing member for gas turbine engine |
US8807930B2 (en) * | 2011-11-01 | 2014-08-19 | United Technologies Corporation | Non axis-symmetric stator vane endwall contour |
US9194235B2 (en) * | 2011-11-25 | 2015-11-24 | Mtu Aero Engines Gmbh | Blading |
US9085985B2 (en) * | 2012-03-23 | 2015-07-21 | General Electric Company | Scalloped surface turbine stage |
US10344601B2 (en) * | 2012-08-17 | 2019-07-09 | United Technologies Corporation | Contoured flowpath surface |
US20160146601A1 (en) * | 2012-09-28 | 2016-05-26 | United Technologies Corporation | Throat area calculation for a section of a gas turbine engine |
US9311445B2 (en) * | 2012-11-20 | 2016-04-12 | General Electric Company | Method, process, and system for high efficiency gas turbine exhaust duct flow-path |
US9879540B2 (en) * | 2013-03-12 | 2018-01-30 | Pratt & Whitney Canada Corp. | Compressor stator with contoured endwall |
ES2765858T3 (es) * | 2013-05-24 | 2020-06-11 | MTU Aero Engines AG | Cascada de álabes para una turbina y la turbina asociada |
ES2755052T3 (es) * | 2013-08-06 | 2020-04-21 | MTU Aero Engines AG | Rejilla de álabes y la turbomáquina correspondiente |
JP2017528632A (ja) * | 2014-06-18 | 2017-09-28 | シーメンス エナジー インコーポレイテッド | ガスタービンエンジン用のエンドウォール構成 |
JP2016040463A (ja) * | 2014-08-13 | 2016-03-24 | 株式会社Ihi | 軸流式ターボ機械 |
US9926806B2 (en) * | 2015-01-16 | 2018-03-27 | United Technologies Corporation | Turbomachine flow path having circumferentially varying outer periphery |
WO2017018981A1 (en) * | 2015-07-24 | 2017-02-02 | Siemens Aktiengesellschaft | Turbine blade with contoured tip shroud |
US10125623B2 (en) * | 2016-02-09 | 2018-11-13 | General Electric Company | Turbine nozzle profile |
US10161255B2 (en) * | 2016-02-09 | 2018-12-25 | General Electric Company | Turbine nozzle having non-axisymmetric endwall contour (EWC) |
US10221710B2 (en) * | 2016-02-09 | 2019-03-05 | General Electric Company | Turbine nozzle having non-axisymmetric endwall contour (EWC) and profile |
EP3404210A1 (de) * | 2017-05-15 | 2018-11-21 | MTU Aero Engines GmbH | Schaufelgittersegment für eine strömungsmaschine mit achsen-asymmetrischer plattformoberfläche, zugehörige schaufelgitter, schaufelkanal, plattform, und strömungsmaschine |
US10508550B2 (en) * | 2017-10-25 | 2019-12-17 | United Technologies Corporation | Geared gas turbine engine |
US10689993B2 (en) * | 2018-11-15 | 2020-06-23 | General Electric Company | Airfoil shape for turbine nozzles |
US10968748B2 (en) * | 2019-04-08 | 2021-04-06 | United Technologies Corporation | Non-axisymmetric end wall contouring with aft mid-passage peak |
JP2021127755A (ja) * | 2020-02-17 | 2021-09-02 | 三菱重工業株式会社 | 2軸式ガスタービン |
-
2018
- 2018-03-30 EP EP18718371.0A patent/EP3759318A1/en active Pending
- 2018-03-30 CN CN201880092109.9A patent/CN111936722B/zh active Active
- 2018-03-30 WO PCT/US2018/025310 patent/WO2019190540A1/en unknown
- 2018-03-30 JP JP2020552885A patent/JP7230058B2/ja active Active
- 2018-03-30 US US17/040,167 patent/US11560797B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7887297B2 (en) | 2006-05-02 | 2011-02-15 | United Technologies Corporation | Airfoil array with an endwall protrusion and components of the array |
JP2017089637A (ja) | 2015-11-11 | 2017-05-25 | ゼネラル・エレクトリック・カンパニイ | タービンの部分を一体化するためのシステム |
Also Published As
Publication number | Publication date |
---|---|
WO2019190540A1 (en) | 2019-10-03 |
EP3759318A1 (en) | 2021-01-06 |
US20210115798A1 (en) | 2021-04-22 |
CN111936722B (zh) | 2023-04-28 |
JP2021526606A (ja) | 2021-10-07 |
CN111936722A (zh) | 2020-11-13 |
US11560797B2 (en) | 2023-01-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7220100B2 (en) | Crescentic ramp turbine stage | |
US9828858B2 (en) | Turbine blade airfoil and tip shroud | |
US20100166558A1 (en) | Methods and apparatus relating to improved turbine blade platform contours | |
US20170218976A1 (en) | Compressor aerofoil | |
JP2006170198A (ja) | タービン段 | |
JP2012052525A (ja) | 輪郭形成バンドを有するタービンノズル | |
US11371361B2 (en) | Turbine blade and corresponding servicing method | |
JP7230058B2 (ja) | 円錐形端壁の端壁輪郭形成 | |
EP2317077A2 (en) | Turbine airfoil-sidewall integration | |
US11739644B2 (en) | Turbine stage platform with endwall contouring incorporating wavy mate face | |
US11293288B2 (en) | Turbine blade with tip trench | |
US11365638B2 (en) | Turbine blade and corresponding method of servicing | |
EP3722555B1 (en) | Turbine section having non-axisymmetric endwall contouring with forward mid-passage peak | |
EP3740656B1 (en) | Article of manufacture | |
WO2019035800A1 (en) | AUBES OF TURBINE |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20210329 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20210329 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20220215 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20220315 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20220609 |
|
RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20220609 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20221018 |
|
A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A711 Effective date: 20221207 |
|
A524 | Written submission of copy of amendment under article 19 pct |
Free format text: JAPANESE INTERMEDIATE CODE: A524 Effective date: 20230118 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20230207 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20230215 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7230058 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |