JP2018112187A - ブレード、ブレードまたはベーンのカットバック及びこれを含むガスタービン - Google Patents
ブレード、ブレードまたはベーンのカットバック及びこれを含むガスタービン Download PDFInfo
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- JP2018112187A JP2018112187A JP2018000857A JP2018000857A JP2018112187A JP 2018112187 A JP2018112187 A JP 2018112187A JP 2018000857 A JP2018000857 A JP 2018000857A JP 2018000857 A JP2018000857 A JP 2018000857A JP 2018112187 A JP2018112187 A JP 2018112187A
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- Prior art keywords
- cutback
- side wall
- gas turbine
- blade
- leaves
- Prior art date
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- 230000000979 retarding effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 30
- 239000012530 fluid Substances 0.000 description 23
- 239000012809 cooling fluid Substances 0.000 description 10
- 239000000446 fuel Substances 0.000 description 10
- 238000001816 cooling Methods 0.000 description 9
- 239000000567 combustion gas Substances 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 7
- 238000009826 distribution Methods 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000007704 transition Effects 0.000 description 5
- 238000005336 cracking Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 208000012766 Growth delay Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
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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
- 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
- F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/08—Cooling; Heating; Heat-insulation
- F01D25/12—Cooling
-
- 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
- F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
- F01D5/187—Convection cooling
-
- 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
- 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
- F01D9/06—Fluid supply conduits to nozzles or the like
- F01D9/065—Fluid supply or removal conduits traversing the working fluid flow, e.g. for lubrication-, cooling-, or sealing fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
- F04D29/324—Blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
- F04D29/542—Bladed diffusers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
-
- 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
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
-
- 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
- F05D2240/10—Stators
- F05D2240/12—Fluid guiding means, e.g. vanes
- F05D2240/122—Fluid guiding means, e.g. vanes related to the trailing edge of a stator vane
-
- 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
-
- 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
- F05D2250/20—Three-dimensional
- F05D2250/22—Three-dimensional parallelepipedal
-
- 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
- F05D2250/20—Three-dimensional
- F05D2250/23—Three-dimensional prismatic
-
- 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
- F05D2250/20—Three-dimensional
- F05D2250/23—Three-dimensional prismatic
- F05D2250/231—Three-dimensional prismatic cylindrical
-
- 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
- F05D2260/20—Heat transfer, e.g. cooling
-
- 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
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/202—Heat transfer, e.g. cooling by film cooling
-
- 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
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/221—Improvement of heat transfer
- F05D2260/2214—Improvement of heat transfer by increasing the heat transfer surface
- F05D2260/22141—Improvement of heat transfer by increasing the heat transfer surface using fins or ribs
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- 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)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Thermal Sciences (AREA)
- Architecture (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
2…圧力面
3…吸入面
5…亀裂
10…後尾リーブ
20…第2側壁の後尾
30…カットバックブロック
31…前面
32…上面
33…後面
50…第1側壁
55…フィン
60…第2側壁
F…前方エッジ
R…後尾エッジ
Claims (15)
- エアフォイルの圧力面を構成する第1側壁;
前記エアフォイルの吸入面を構成し、前記第1側壁よりも後尾がさらに長い第2側壁;
前記第1側壁と第2側壁とが合う前方エッジ(leading edge);
前記前方エッジの反対側に前記第1側壁と第2側壁とが離隔して形成される後尾エッジ(trailing edge);
前記後尾エッジの領域において、前記第1側壁と第2側壁の内面間で延長する柱状フィン(fin);及び
前記柱状フィンよりも後尾側に形成される複数の後尾リーブ;を含み、
前記複数の後尾リーブは前記第1側壁の端部から前記第2側壁の内面及び第2側壁の端部まで延長し、前記後尾エッジの上部から下部方向に互いに離隔して形成される、ガスタービンのブレード。 - 前記複数の後尾リーブの間で延長するカットバックブロック(cutback block)をさらに含む、請求項1に記載のガスタービンのブレード。
- 前記カットバックブロックは第2側壁の内面から突き出された形状を有する、請求項2に記載のガスタービンのブレード。
- 前記カットバックブロックは複数の後尾リーブのうち少なくとも最上端の二つの後尾リーブの間または最下端の二つの後尾リーブの間のうち少なくとも一つに形成される、請求項2または請求項3に記載のガスタービンのブレード。
- 前記カットバックブロックは第2側壁の端部に対して傾くように形成される、請求項2から請求項4の何れか一項に記載のガスタービンのブレード。
- 二つの後尾リーブの間に一対のカットバックブロックが形成される、請求項2から請求項5の何れか一項に記載のガスタービンのブレード。
- 前記一対のカットバックブロックの前面の傾斜は前記一対のカットバックブロックの後面の傾斜より緩い、請求項6に記載のガスタービンのブレード。
- 前記一対のカットバックブロックの前面、後面、及び上面は曲面である、請求項7に記載のガスタービンのブレード。
- 第1側壁;
前記第1側壁から延長し、前記第1側壁の端部に沿って離隔して配列される複数の後尾リーブ;
前記第1側壁よりも後尾がさらに長く、前記第1側壁と離隔され、前記複数の後尾リーブと接する第2側壁;及び
二つの後尾リーブの間で前記第2側壁の内面に沿って延長する少なくとも一つのカットバックブロック;
を含む、ガスタービンのブレードまたはベーンのカットバック(cut−back)構造。 - 前記少なくとも一つのカットバックブロックは第2側壁の内面から突き出された形状を有する、請求項9に記載のガスタービンのブレードまたはベーンのカットバック構造。
- 前記少なくとも一つのカットバックブロックは複数の後尾リーブのうち少なくとも最上端の二つの後尾リーブの間または最下端の二つの後尾リーブの間に形成される、請求項9または請求項10に記載のガスタービンのブレードまたはベーンのカットバック構造。
- 前記少なくとも一つのカットバックブロックは第2側壁の端部に対して傾くように形成される、請求項9から請求項11の何れか一項に記載のガスタービンのブレードまたはベーンのカットバック構造。
- 二つの後尾リーブの間に一対のカットバックブロックが形成される、請求項9から請求項12の何れか一項に記載のガスタービンのブレードまたはベーンのカットバック構造。
- 前記一対のカットバックブロックの前面の傾斜は前記一対のカットバックブロックの後面の傾斜より緩い、請求項13に記載のガスタービンのブレードまたはベーンのカットバック構造。
- 前記一対のカットバックブロックの前面、後面、及び上面は曲面である、請求項14に記載のガスタービンのブレードまたはベーンのカットバック構造。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020170003410A KR20180082118A (ko) | 2017-01-10 | 2017-01-10 | 가스 터빈의 블레이드 또는 베인의 컷백 |
KR10-2017-0003410 | 2017-01-10 |
Publications (2)
Publication Number | Publication Date |
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JP2018112187A true JP2018112187A (ja) | 2018-07-19 |
JP6526259B2 JP6526259B2 (ja) | 2019-06-05 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2018000857A Active JP6526259B2 (ja) | 2017-01-10 | 2018-01-05 | ブレード、ブレードまたはベーンのカットバック及びこれを含むガスタービン |
Country Status (4)
Country | Link |
---|---|
US (1) | US10443394B2 (ja) |
EP (1) | EP3346096B1 (ja) |
JP (1) | JP6526259B2 (ja) |
KR (1) | KR20180082118A (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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FR3107562B1 (fr) * | 2020-02-20 | 2022-06-10 | Safran | Aube de turbomachine comportant des fentes de refroidissement de son bord de fuite équipées de perturbateurs |
CN111305906A (zh) * | 2020-03-31 | 2020-06-19 | 哈尔滨工程大学 | 一种适用于高温涡轮叶片的带间断直肋半劈缝冷却结构 |
CN112855284B (zh) * | 2021-01-18 | 2022-11-08 | 西北工业大学 | 一种低压涡轮静子叶片波浪前缘的构造方法 |
EP4105441A1 (en) * | 2021-06-18 | 2022-12-21 | ITP Next Generation Turbines S.L. | Airfoil for a turbine engine |
CN114278390A (zh) * | 2021-11-30 | 2022-04-05 | 中国联合重型燃气轮机技术有限公司 | 透平静叶、燃气轮机和航空发动机 |
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2017
- 2017-01-10 KR KR1020170003410A patent/KR20180082118A/ko active Application Filing
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2018
- 2018-01-03 US US15/860,659 patent/US10443394B2/en active Active
- 2018-01-05 JP JP2018000857A patent/JP6526259B2/ja active Active
- 2018-01-10 EP EP18151025.6A patent/EP3346096B1/en active Active
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JPS5918204A (ja) * | 1982-07-21 | 1984-01-30 | Agency Of Ind Science & Technol | ガスタ−ビンの翼 |
JPH03141801A (ja) * | 1990-09-19 | 1991-06-17 | Hitachi Ltd | ガスタービンの冷却翼 |
JPH11241602A (ja) * | 1998-02-26 | 1999-09-07 | Toshiba Corp | ガスタービン翼 |
JP2002129903A (ja) * | 2000-10-27 | 2002-05-09 | Mitsubishi Heavy Ind Ltd | ガスタービンの翼の冷却構造 |
JP2003278501A (ja) * | 2002-03-22 | 2003-10-02 | Mitsubishi Heavy Ind Ltd | 冷却翼及びガスタービン及び翼冷却方法 |
JP2006300056A (ja) * | 2005-04-22 | 2006-11-02 | United Technol Corp <Utc> | エアフォイルおよびエアフォイルの形成方法 |
US20100074763A1 (en) * | 2008-09-25 | 2010-03-25 | Siemens Energy, Inc. | Trailing Edge Cooling Slot Configuration for a Turbine Airfoil |
JP2012189026A (ja) * | 2011-03-11 | 2012-10-04 | Ihi Corp | タービン翼 |
JP2015516538A (ja) * | 2012-05-09 | 2015-06-11 | ゼネラル・エレクトリック・カンパニイ | タービン翼後縁冷却孔のプラグおよびスロット |
US20140037460A1 (en) * | 2012-07-02 | 2014-02-06 | Alstom Technology Ltd. | Cooled blade for a gas turbine |
JP2016128687A (ja) * | 2014-12-31 | 2016-07-14 | ゼネラル・エレクトリック・カンパニイ | エンジン構成要素 |
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US10443394B2 (en) | 2019-10-15 |
US20180195396A1 (en) | 2018-07-12 |
KR20180082118A (ko) | 2018-07-18 |
EP3346096B1 (en) | 2020-03-04 |
JP6526259B2 (ja) | 2019-06-05 |
EP3346096A1 (en) | 2018-07-11 |
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