JP2010169089A - 冷却を改善したタービンのブレード又はベーン - Google Patents
冷却を改善したタービンのブレード又はベーン Download PDFInfo
- Publication number
- JP2010169089A JP2010169089A JP2010007657A JP2010007657A JP2010169089A JP 2010169089 A JP2010169089 A JP 2010169089A JP 2010007657 A JP2010007657 A JP 2010007657A JP 2010007657 A JP2010007657 A JP 2010007657A JP 2010169089 A JP2010169089 A JP 2010169089A
- Authority
- JP
- Japan
- Prior art keywords
- trailing edge
- width
- blade
- concave surface
- cooling openings
- 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.)
- Pending
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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
- F01D5/18—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
- 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
- F01D5/186—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
- F05D2230/00—Manufacture
- F05D2230/10—Manufacture by removing material
-
- 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
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/201—Heat transfer, e.g. cooling by impingement of a 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
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/202—Heat transfer, e.g. cooling by film cooling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
【解決手段】本タービンブレードは、前縁及び後縁を備えたブレード(ベーンを含む)本体と、後縁に沿って配置された複数の冷却開口と、冷却開口を横切るように設定した後縁の第1の幅と、冷却開口間において設定した後縁の第2の幅とを含み、第2の幅は、第1の幅よりも小さい。
【選択図】 図2
Description
添付図面と関連させて行った以下の説明から明らかである。
12 ブレード本体
14 前縁
16 後縁
18 冷却開口
20 第1の幅
22 第2の幅
24 直径
26 相対的中間点
28 凹面
29 中心線
30 負圧側面
32 正圧側面
34 ブレード領域
40 凹面
42 チャネル
44 第1の長さ
46 第2の長さ
Claims (10)
- タービンのブレード又はベーンであって、
前縁及び後縁を備えたブレード又はベーン本体と、
前記後縁に沿って配置された複数の冷却開口と、
前記冷却開口を横切るように設定した前記後縁の第1の幅と、
前記冷却開口間において設定した前記後縁の第2の幅と、を含み、
前記第2の幅が、前記第1の幅よりも小さい、
ブレード。 - 前記第1の幅が、前記複数の冷却開口の各々の相対的中間点において最も大きい、請求項1記載のブレード。
- 前記第2の幅が、前記複数の冷却開口の各々間における相対的中間点において最も小さい、請求項1記載のブレード。
- 前記第2の幅が、前記複数の冷却開口の各々間における凹面によって前記第1の幅よりも小さくなっており、
前記凹面が、前記後縁の中心線に向けて前記ブレード本体内に配向される、
請求項1記載のブレード。 - 前記凹面が、前記後縁の正圧側面に沿って配置される、請求項4記載のブレード。
- 前記凹面が、前記後縁から前記前縁に向けて、該凹面の深さの少なくとも1/4の距離における最内位置まで延びる、請求項4記載のブレード。
- 前記第2の幅が、前記凹面の距離にわたって、前記後縁から該凹面の最内位置まで増大する、請求項6記載のブレード。
- 前記第2の幅が、前記凹面の最内位置において、前記第1の幅とほぼ等しい、請求項6記載のブレード。
- タービンのブレードであって、
前縁及び後縁を備えたブレード本体と、
前記後縁に沿って配置された複数の冷却開口と、
前記冷却開口の少なくとも1つを形成した前記後縁の一部分から延び、かつ該後縁から前記前縁まで延びる第1の長さと、
前記冷却開口間に配置された前記後縁の一部分から延び、かつ該後縁から前記前縁まで延びる第2の長さと、を含み、
前記第2の長さが、前記第1の長さよりも小さい、
ブレード。 - タービンのブレード又はベーンであって、
前縁及び後縁を備えたブレード又はベーン本体と、
前記後縁に沿って配置された複数の冷却開口と、
前記冷却開口を横切るように設定した前記後縁の第1の幅と、
前記冷却開口間において設定した前記後縁の第2の幅と、
前記冷却開口の少なくとも1つを形成した前記後縁の一部分から延び、かつ該後縁から前記前縁まで延びる第1の長さと、
前記冷却開口間に配置された前記後縁の一部分から延び、かつ該後縁から前記前縁まで延びる第2の長さと、を含み、
前記第2の幅が、前記第1の幅よりも小さく、
前記第2の長さが、前記第1の長さよりも小さい、
ブレード。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/356,874 US8172534B2 (en) | 2009-01-21 | 2009-01-21 | Turbine blade or vane with improved cooling |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010169089A true JP2010169089A (ja) | 2010-08-05 |
JP2010169089A5 JP2010169089A5 (ja) | 2012-09-27 |
Family
ID=42097225
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010007657A Pending JP2010169089A (ja) | 2009-01-21 | 2010-01-18 | 冷却を改善したタービンのブレード又はベーン |
Country Status (4)
Country | Link |
---|---|
US (1) | US8172534B2 (ja) |
EP (1) | EP2211020B1 (ja) |
JP (1) | JP2010169089A (ja) |
CN (1) | CN101818658B (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9441488B1 (en) | 2013-11-07 | 2016-09-13 | United States Of America As Represented By The Secretary Of The Air Force | Film cooling holes for gas turbine airfoils |
US9732617B2 (en) | 2013-11-26 | 2017-08-15 | General Electric Company | Cooled airfoil trailing edge and method of cooling the airfoil trailing edge |
US11174736B2 (en) | 2018-12-18 | 2021-11-16 | General Electric Company | Method of forming an additively manufactured component |
US11499433B2 (en) | 2018-12-18 | 2022-11-15 | General Electric Company | Turbine engine component and method of cooling |
US11566527B2 (en) | 2018-12-18 | 2023-01-31 | General Electric Company | Turbine engine airfoil and method of cooling |
US11352889B2 (en) | 2018-12-18 | 2022-06-07 | General Electric Company | Airfoil tip rail and method of cooling |
US10767492B2 (en) | 2018-12-18 | 2020-09-08 | General Electric Company | Turbine engine airfoil |
US10844728B2 (en) | 2019-04-17 | 2020-11-24 | General Electric Company | Turbine engine airfoil with a trailing edge |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5047014A (ja) * | 1973-08-30 | 1975-04-26 | ||
JPS6095101A (ja) * | 1983-10-31 | 1985-05-28 | Toshiba Corp | 冷却翼 |
US4835958A (en) * | 1978-10-26 | 1989-06-06 | Rice Ivan G | Process for directing a combustion gas stream onto rotatable blades of a gas turbine |
US20020141870A1 (en) * | 2001-03-27 | 2002-10-03 | Schafrik Robert Edward | Turbine airfoil trailing edge with micro cooling channels |
US20050265837A1 (en) * | 2003-03-12 | 2005-12-01 | George Liang | Vortex cooling of turbine blades |
US20070140835A1 (en) * | 2004-12-02 | 2007-06-21 | Siemens Westinghouse Power Corporation | Cooling systems for stacked laminate cmc vane |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6092982A (en) * | 1996-05-28 | 2000-07-25 | Kabushiki Kaisha Toshiba | Cooling system for a main body used in a gas stream |
US6241466B1 (en) * | 1999-06-01 | 2001-06-05 | General Electric Company | Turbine airfoil breakout cooling |
US6652235B1 (en) * | 2002-05-31 | 2003-11-25 | General Electric Company | Method and apparatus for reducing turbine blade tip region temperatures |
US7758314B2 (en) * | 2003-03-12 | 2010-07-20 | Florida Turbine Technologies, Inc. | Tungsten shell for a spar and shell turbine vane |
US7147440B2 (en) * | 2003-10-31 | 2006-12-12 | General Electric Company | Methods and apparatus for cooling gas turbine engine rotor assemblies |
US7438527B2 (en) * | 2005-04-22 | 2008-10-21 | United Technologies Corporation | Airfoil trailing edge cooling |
US7966707B2 (en) * | 2005-05-06 | 2011-06-28 | United Technologies Corporation | Method for repairing superalloy components using inserts |
US7387492B2 (en) * | 2005-12-20 | 2008-06-17 | General Electric Company | Methods and apparatus for cooling turbine blade trailing edges |
US7887294B1 (en) * | 2006-10-13 | 2011-02-15 | Florida Turbine Technologies, Inc. | Turbine airfoil with continuous curved diffusion film holes |
US8070448B2 (en) * | 2008-10-30 | 2011-12-06 | Honeywell International Inc. | Spacers and turbines |
-
2009
- 2009-01-21 US US12/356,874 patent/US8172534B2/en active Active
-
2010
- 2010-01-18 JP JP2010007657A patent/JP2010169089A/ja active Pending
- 2010-01-20 EP EP10151142A patent/EP2211020B1/en active Active
- 2010-01-21 CN CN201010118537.XA patent/CN101818658B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5047014A (ja) * | 1973-08-30 | 1975-04-26 | ||
US4835958A (en) * | 1978-10-26 | 1989-06-06 | Rice Ivan G | Process for directing a combustion gas stream onto rotatable blades of a gas turbine |
JPS6095101A (ja) * | 1983-10-31 | 1985-05-28 | Toshiba Corp | 冷却翼 |
US20020141870A1 (en) * | 2001-03-27 | 2002-10-03 | Schafrik Robert Edward | Turbine airfoil trailing edge with micro cooling channels |
US20050265837A1 (en) * | 2003-03-12 | 2005-12-01 | George Liang | Vortex cooling of turbine blades |
US20070140835A1 (en) * | 2004-12-02 | 2007-06-21 | Siemens Westinghouse Power Corporation | Cooling systems for stacked laminate cmc vane |
Also Published As
Publication number | Publication date |
---|---|
EP2211020A1 (en) | 2010-07-28 |
US20100183446A1 (en) | 2010-07-22 |
CN101818658B (zh) | 2013-05-15 |
EP2211020B1 (en) | 2012-10-24 |
CN101818658A (zh) | 2010-09-01 |
US8172534B2 (en) | 2012-05-08 |
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