JP5738996B2 - ガスタービンのためのタービンブレード - Google Patents
ガスタービンのためのタービンブレード Download PDFInfo
- Publication number
- JP5738996B2 JP5738996B2 JP2013526429A JP2013526429A JP5738996B2 JP 5738996 B2 JP5738996 B2 JP 5738996B2 JP 2013526429 A JP2013526429 A JP 2013526429A JP 2013526429 A JP2013526429 A JP 2013526429A JP 5738996 B2 JP5738996 B2 JP 5738996B2
- Authority
- JP
- Japan
- Prior art keywords
- turbine blade
- side wall
- turbine
- blade
- pressure side
- 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.)
- Expired - Fee Related
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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
- 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
- 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
- F05D2250/10—Two-dimensional
- F05D2250/18—Two-dimensional patterned
- F05D2250/184—Two-dimensional patterned sinusoidal
-
- 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
- F05D2250/60—Structure; Surface texture
-
- 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
- F05D2260/2212—Improvement of heat transfer by creating turbulence
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
12 ブレード根元部分
14 プラットフォーム
16 主ブレード部分
18 先縁部
20 後縁部
22 負圧側壁
24 正圧側壁
28 開口部
30 挿置ウェブ
32 脚柱(支柱)
34 (負圧側面22の)内面
36 (正圧側面24の)内面
38 キャビティ
40 冷却空気
41 流路
42 突出部分
44 突出部分
46 冷却流路
47 中立線
Claims (6)
- ガスタービンのためのタービンブレード(10)であって、
高温ガスが主ブレード部分(16)の周囲を流れる前記主ブレード部分(16)であって、高温ガスが共通する先縁部(18)から後縁部(20)に向かって流れる方向に延在している負圧側壁(22)及び正圧側壁(24)を備えている前記主ブレード部分(16)を備えている前記タービンブレード(10)において、
事前に前記主ブレード部分(16)を冷却する冷却剤(40)を吹き出すための少なくとも1つの開口部(28)が、前記後縁部(20)に配置されており、少なくとも1つの前記開口部(28)が、冷却流路(46)を介して、前記主ブレード部分(16)内に配置されているキャビティ(38)に流通可能に接続されており、
前記冷却流路(46)の境界が、前記負圧側壁(22)の内面(34)と前記正圧側壁(24)の内面(36)とによって形成されており、絞り要素が、前記開口部(28)から流出する冷却剤の量を設定するために設けられており、
前記絞り要素が、前記冷却流路(46)の貫流方向において前記開口部(28)の上流に、2つの突出部分(42,44)を備えており、
2つの前記突出部分(42,44)が、前記冷却流路(46)の貫流方向において、互いに対してオフセットされて配置されており、
前記突出部分(42,44)同士の間には、前記冷却流路(46)の貫流可能な最小流路断面が形成されており、
2つの前記突出部分(42,44)それぞれが、2つの前記内面(34,36)のうち一方の内面に配置されていると共に、絞り要素として共に機能していることを特徴とするタービンブレード(10)。 - 前記正圧側壁(24)の前記内面(36)に配置されている前記突出部分(42,44)が、前記負圧側壁(22)の前記内面(34)に配置されている前記突出部分(42,44)の下流に配置されていることを特徴とする請求項1に記載のタービンブレード(10)。
- 複数の前記開口部(28)が、前記後縁部(20)に配置されており、
前記冷却流路(46)が、複数の前記開口部(28)を前記キャビティ(38)に集合的に接続していることを特徴とする請求項1又は2に記載のタービンブレード(10)。 - 前記突出部分(42,44)が、フィンの形態をしていることを特徴とする請求項1〜3のいずれか一項に記載のタービンブレード(10)。
- 前記冷却流路(46)が、収束しており、
2つの前記突出部分(42,44)が、段差及び角部を有しない輪郭で前記内面(34,36)に配置されていることを特徴とする請求項1〜3のいずれか一項に記載のタービンブレード(10)。 - 前記開口部(28)が、前記正圧側壁(24)に設けられていることを特徴とする請求項1〜5のいずれか一項に記載のタービンブレード(10)。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10175235A EP2426317A1 (de) | 2010-09-03 | 2010-09-03 | Turbinenschaufel für eine Gasturbine |
EP10175235.0 | 2010-09-03 | ||
PCT/EP2011/064811 WO2012028574A1 (de) | 2010-09-03 | 2011-08-29 | Turbinenschaufel für eine gasturbine |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013536913A JP2013536913A (ja) | 2013-09-26 |
JP5738996B2 true JP5738996B2 (ja) | 2015-06-24 |
Family
ID=43545953
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013526429A Expired - Fee Related JP5738996B2 (ja) | 2010-09-03 | 2011-08-29 | ガスタービンのためのタービンブレード |
Country Status (5)
Country | Link |
---|---|
US (1) | US20130156599A1 (ja) |
EP (2) | EP2426317A1 (ja) |
JP (1) | JP5738996B2 (ja) |
CN (1) | CN103080478B (ja) |
WO (1) | WO2012028574A1 (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9017026B2 (en) * | 2012-04-03 | 2015-04-28 | General Electric Company | Turbine airfoil trailing edge cooling slots |
US9145773B2 (en) * | 2012-05-09 | 2015-09-29 | General Electric Company | Asymmetrically shaped trailing edge cooling holes |
US8985949B2 (en) * | 2013-04-29 | 2015-03-24 | Siemens Aktiengesellschaft | Cooling system including wavy cooling chamber in a trailing edge portion of an airfoil assembly |
US9132476B2 (en) * | 2013-10-31 | 2015-09-15 | Siemens Aktiengesellschaft | Multi-wall gas turbine airfoil cast using a ceramic core formed with a fugitive insert and method of manufacturing same |
US10502066B2 (en) | 2015-05-08 | 2019-12-10 | United Technologies Corporation | Turbine engine component including an axially aligned skin core passage interrupted by a pedestal |
US10323524B2 (en) * | 2015-05-08 | 2019-06-18 | United Technologies Corporation | Axial skin core cooling passage for a turbine engine component |
EP3147455A1 (de) * | 2015-09-23 | 2017-03-29 | Siemens Aktiengesellschaft | Turbinenleitschaufel mit einer drosseleinrichtung |
US10260354B2 (en) * | 2016-02-12 | 2019-04-16 | General Electric Company | Airfoil trailing edge cooling |
EP3417153A1 (en) | 2016-03-22 | 2018-12-26 | Siemens Aktiengesellschaft | Turbine airfoil with trailing edge framing features |
KR20180082118A (ko) * | 2017-01-10 | 2018-07-18 | 두산중공업 주식회사 | 가스 터빈의 블레이드 또는 베인의 컷백 |
KR101875692B1 (ko) * | 2017-04-10 | 2018-07-06 | 연세대학교 산학협력단 | 가스터빈 냉각을 위한 직물형태의 내부 유로 구조를 포함하는 가스터빈 블레이드 |
WO2019005425A1 (en) * | 2017-06-30 | 2019-01-03 | Siemens Aktiengesellschaft | AERODYNAMIC TURBINE PROFILE HAVING LEAK EDGE CHARACTERISTICS AND CASTING CORE |
EP3492700A1 (en) * | 2017-11-29 | 2019-06-05 | Siemens Aktiengesellschaft | Internally-cooled turbomachine component |
US10753210B2 (en) * | 2018-05-02 | 2020-08-25 | Raytheon Technologies Corporation | Airfoil having improved cooling scheme |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5356265A (en) * | 1992-08-25 | 1994-10-18 | General Electric Company | Chordally bifurcated turbine blade |
JP3651490B2 (ja) * | 1993-12-28 | 2005-05-25 | 株式会社東芝 | タービン冷却翼 |
JPH08334003A (ja) * | 1995-06-06 | 1996-12-17 | Mitsubishi Heavy Ind Ltd | 冷却翼後縁冷却装置 |
US5752801A (en) * | 1997-02-20 | 1998-05-19 | Westinghouse Electric Corporation | Apparatus for cooling a gas turbine airfoil and method of making same |
EP1046784B1 (de) * | 1999-04-21 | 2004-08-11 | ALSTOM Technology Ltd | Kühlbares Bauteil |
US6402470B1 (en) | 1999-10-05 | 2002-06-11 | United Technologies Corporation | Method and apparatus for cooling a wall within a gas turbine engine |
DE50106385D1 (de) * | 2001-03-26 | 2005-07-07 | Siemens Ag | Verfahren zur Herstellung einer Turbinenschaufel |
US6974308B2 (en) | 2001-11-14 | 2005-12-13 | Honeywell International, Inc. | High effectiveness cooled turbine vane or blade |
US6607356B2 (en) * | 2002-01-11 | 2003-08-19 | General Electric Company | Crossover cooled airfoil trailing edge |
EP1653046A1 (de) * | 2004-10-26 | 2006-05-03 | Siemens Aktiengesellschaft | Gekühlte Turbinenschaufel sowie Verfahren zur Einstellung des Durchflussvolumens eines Kühlmediums |
US7575414B2 (en) * | 2005-04-01 | 2009-08-18 | General Electric Company | Turbine nozzle with trailing edge convection and film cooling |
US7780415B2 (en) * | 2007-02-15 | 2010-08-24 | Siemens Energy, Inc. | Turbine blade having a convergent cavity cooling system for a trailing edge |
US7785070B2 (en) * | 2007-03-27 | 2010-08-31 | Siemens Energy, Inc. | Wavy flow cooling concept for turbine airfoils |
CH700321A1 (de) * | 2009-01-30 | 2010-07-30 | Alstom Technology Ltd | Gekühlte schaufel für eine gasturbine. |
-
2010
- 2010-09-03 EP EP10175235A patent/EP2426317A1/de not_active Withdrawn
-
2011
- 2011-08-29 JP JP2013526429A patent/JP5738996B2/ja not_active Expired - Fee Related
- 2011-08-29 WO PCT/EP2011/064811 patent/WO2012028574A1/de active Application Filing
- 2011-08-29 EP EP11749827.9A patent/EP2611990B1/de not_active Not-in-force
- 2011-08-29 CN CN201180042590.9A patent/CN103080478B/zh not_active Expired - Fee Related
- 2011-08-29 US US13/818,794 patent/US20130156599A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP2426317A1 (de) | 2012-03-07 |
WO2012028574A1 (de) | 2012-03-08 |
JP2013536913A (ja) | 2013-09-26 |
CN103080478A (zh) | 2013-05-01 |
EP2611990A1 (de) | 2013-07-10 |
CN103080478B (zh) | 2015-05-20 |
US20130156599A1 (en) | 2013-06-20 |
EP2611990B1 (de) | 2015-01-28 |
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