JP2004316654A - 補完冷却式タービンノズル - Google Patents
補完冷却式タービンノズル Download PDFInfo
- Publication number
- JP2004316654A JP2004316654A JP2004118457A JP2004118457A JP2004316654A JP 2004316654 A JP2004316654 A JP 2004316654A JP 2004118457 A JP2004118457 A JP 2004118457A JP 2004118457 A JP2004118457 A JP 2004118457A JP 2004316654 A JP2004316654 A JP 2004316654A
- Authority
- JP
- Japan
- Prior art keywords
- channel
- turbulators
- nozzle
- turbulator
- leading edge
- 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.)
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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
- 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
- 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
- F05D2220/321—Application in turbines in gas turbines for a special turbine stage
- F05D2220/3213—Application in turbines in gas turbines for a special turbine stage an intermediate stage of the turbine
-
- 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
- F05D2230/20—Manufacture essentially without removing material
- F05D2230/21—Manufacture essentially without removing material by casting
-
- 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
- F05D2240/121—Fluid guiding means, e.g. vanes related to the leading 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
- F05D2240/303—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
- F05D2250/00—Geometry
- F05D2250/10—Two-dimensional
- F05D2250/18—Two-dimensional patterned
- F05D2250/185—Two-dimensional patterned serpentine-like
-
- 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
-
- 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)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
【解決手段】 タービンノズル(26)は、羽根(34)と一体に結合された外側及び内側バンド(30、32)を含み、羽根は、対向する正圧及び負圧側壁(36、38)間に3経路蛇行流れ回路を有する。外側バンドは、羽根の前縁(40)の背後に設置された回路の第1のチャネル(44)内に冷却空気を流す入口(54)を含む。第1の出口(56)は、第1のチャネルが回路の第2のチャネル(46)に接続する該第1のチャネルの底部において内側バンドに配置される。第2の出口(58)もまた、第2のチャネルと流れ連通して配置された回路の第3のチャネル(48)の底部において内側バンドに配置される。前縁(40)の背後の第1のチャネル(44)は、横方向に間隔をおいて配置された第1及び第2のタービュレータ(62、64)の対応する列を除いては平滑である。
【選択図】 図2
Description
26 第2段タービンノズル
30 外側バンド
32 内側バンド
34 羽根
36 正圧側壁
38 負圧側壁
40 前縁
42 後縁
44 第1のチャネル
46 第2のチャネル
48 第3のチャネル
50 前部ブリッジ
52 後部ブリッジ
54 入口
56 第1の出口
58 第2の出口
60 後縁出口孔
62 第1のタービュレータ
64 第2のタービュレータ
66 ハンガ
68 ハニカムシール
Claims (10)
- それらの間に位置する羽根(34)と一体に結合された外側及び内側バンド(30、32)を含み、
前記羽根が、対向する前縁及び後縁(40、42)において互いに結合された対向する正圧及び負圧側壁(36、38)を含み、
前記側壁が、間隔をおいて配置されて3経路蛇行流れ回路を形成し、前記3経路蛇行流れ回路が、前記前縁の背後で延びる第1のチャネル(44)と、前記外側バンドから延びて内側バンド(32)の手前で終る無孔の前部ブリッジ(50)によって前記第1のチャネル(44)からその一部が分離された第2のチャネル(46)と、内側バンド(32)から延びて前記外側バンドの手前で終る無孔の後部ブリッジ(52)によって前記第2のチャネル(46)からその一部が仕切られた第3のチャネル(48)とを含み、
前記外側バンド(30)が、前記第1のチャネルに位置し該第1のチャネルに加圧冷却空気(16)を供給する入口(54)を含み、前記内側バンド(32)が、前記第1のチャネルに位置し空気の一部分を吐出する第1の出口(56)と、前記第3のチャネルに位置し空気の別の部分を吐出する第2の出口(58)とを含み、前記羽根(34)が、後縁(42)に沿って位置しかつ前記第3のチャネルと流れ連通し該第3のチャネルから残りの空気を吐出する出口孔(60)の列を含み、
前記第1のチャネル(44)が、前記前縁の直ぐ背後で正圧及び負圧側壁に跨り前記前部ブリッジと対向する第1のタービュレータ(62)の第1の列と前記負圧側壁の背後で前記第1の列から横方向に間隔をおいて配置された第2のタービュレータ(64)の第2の列とを除いては平滑であり、前記正圧側壁には、前部ブリッジと対向するタービュレータを含め何もない、
第2段ガスタービンノズル(26)。 - 前記第1及び第2のタービュレータ(62、64)が、互いに平行であり、かつ前記外側及び内側バンド(30、32)間で前縁(40)に沿って長手方向に千鳥形配列されている、請求項1記載のノズル。
- 前記羽根の正圧及び負圧側壁(36、38)が後縁出口孔(60)を除いては無孔である、請求項2記載のノズル。
- 前記第1及び第2のタービュレータ(62、64)がほぼ等しい長さを有する、請求項2記載のノズル。
- 前記第1のタービュレータ(62)が、前縁(40)の両側でほぼ等しい程度だけ前記正圧及び負圧側壁(36、38)に跨る、請求項3記載のノズル。
- 前記第1のタービュレータ(62)が円弧状でありかつ前記正圧及び負圧側壁上で両端での円弧状長さで終り、また前記第2のタービュレータがほぼ直線状である、請求項3記載のノズル。
- 前記内側バンド(32)が、第3のチャネル(48)の下方に延びる一体形ハンガ(66)を含み、前記第1及び第2の出口(56、58)の両方が、前縁(40)とハンガとの間で前記内側バンドを貫通している、請求項3記載のノズル。
- 前記第1のタービュレータ列が、前縁(40)の背後で長手方向に間隔をおいて配置された10個の第1のタービュレータ(62)から成り、また前記第2のタービュレータ列が、前記第1のタービュレータ間で長手方向に千鳥形配列された9個の第2のタービュレータ(64)から成る、請求項3記載のノズル。
- 前記第1のタービュレータ(62)の列が、前記蛇行流れ回路に対応するセラミックコア(74)を成型するのに用いる成形用型(72)の割り線(70)位置において、前記負圧側壁(38)に沿った第2のタービュレータ(64)の列に隣接している、請求項3記載のノズル。
- 前記第1の出口(56)、第2の出口(58)及び後縁出口孔(60)の列が、前記入口(54)を通して受けた流れのそれぞれ約3分の1を吐出するような寸法にされている、請求項3記載のノズル。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/413,922 | 2003-04-15 | ||
US10/413,922 US6884036B2 (en) | 2003-04-15 | 2003-04-15 | Complementary cooled turbine nozzle |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2004316654A true JP2004316654A (ja) | 2004-11-11 |
JP2004316654A5 JP2004316654A5 (ja) | 2007-06-07 |
JP4728588B2 JP4728588B2 (ja) | 2011-07-20 |
Family
ID=32908310
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004118457A Expired - Fee Related JP4728588B2 (ja) | 2003-04-15 | 2004-04-14 | 補完冷却式タービンノズル |
Country Status (5)
Country | Link |
---|---|
US (1) | US6884036B2 (ja) |
EP (1) | EP1469164B1 (ja) |
JP (1) | JP4728588B2 (ja) |
CN (1) | CN100357568C (ja) |
DE (1) | DE602004026381D1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016525652A (ja) * | 2013-07-29 | 2016-08-25 | シーメンス アクティエンゲゼルシャフト | タービンブレード |
WO2018163877A1 (ja) * | 2017-03-10 | 2018-09-13 | 三菱日立パワーシステムズ株式会社 | タービン翼、タービン及びタービン翼の冷却方法 |
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US20070258814A1 (en) * | 2006-05-02 | 2007-11-08 | Siemens Power Generation, Inc. | Turbine airfoil with integral chordal support ribs |
US20070297916A1 (en) * | 2006-06-22 | 2007-12-27 | United Technologies Corporation | Leading edge cooling using wrapped staggered-chevron trip strips |
US8690538B2 (en) * | 2006-06-22 | 2014-04-08 | United Technologies Corporation | Leading edge cooling using chevron trip strips |
US20090003987A1 (en) * | 2006-12-21 | 2009-01-01 | Jack Raul Zausner | Airfoil with improved cooling slot arrangement |
US7837437B2 (en) * | 2007-03-07 | 2010-11-23 | General Electric Company | Turbine nozzle segment and repair method |
SI2025869T1 (sl) * | 2007-08-08 | 2011-04-29 | Alstom Technology Ltd | Lopatica plinske turbine z notranjim hlajenjem |
US8083485B2 (en) * | 2007-08-15 | 2011-12-27 | United Technologies Corporation | Angled tripped airfoil peanut cavity |
US20090293495A1 (en) * | 2008-05-29 | 2009-12-03 | General Electric Company | Turbine airfoil with metered cooling cavity |
US9528382B2 (en) * | 2009-11-10 | 2016-12-27 | General Electric Company | Airfoil heat shield |
CN101922312B (zh) * | 2010-03-24 | 2013-11-06 | 北京航空航天大学 | 一种叶轮机械径向间隙泄漏损失的控制方法 |
US8757961B1 (en) * | 2011-05-21 | 2014-06-24 | Florida Turbine Technologies, Inc. | Industrial turbine stator vane |
US9670785B2 (en) | 2012-04-19 | 2017-06-06 | General Electric Company | Cooling assembly for a gas turbine system |
US10119404B2 (en) * | 2014-10-15 | 2018-11-06 | Honeywell International Inc. | Gas turbine engines with improved leading edge airfoil cooling |
US10406596B2 (en) | 2015-05-01 | 2019-09-10 | United Technologies Corporation | Core arrangement for turbine engine component |
FR3037829B1 (fr) * | 2015-06-29 | 2017-07-21 | Snecma | Noyau pour le moulage d'une aube ayant des cavites superposees et comprenant un trou de depoussierage traversant une cavite de part en part |
US10352245B2 (en) | 2015-10-05 | 2019-07-16 | General Electric Company | Windage shield system and method of suppressing resonant acoustic noise |
US10060280B2 (en) | 2015-10-15 | 2018-08-28 | United Technologies Corporation | Turbine cavity sealing assembly |
CA2954785A1 (en) * | 2016-01-25 | 2017-07-25 | Rolls-Royce Corporation | Forward flowing serpentine vane |
US10352177B2 (en) * | 2016-02-16 | 2019-07-16 | General Electric Company | Airfoil having impingement openings |
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US10669861B2 (en) * | 2017-02-15 | 2020-06-02 | Raytheon Technologies Corporation | Airfoil cooling structure |
US10301953B2 (en) * | 2017-04-13 | 2019-05-28 | General Electric Company | Turbine nozzle with CMC aft Band |
US10989067B2 (en) | 2018-07-13 | 2021-04-27 | Honeywell International Inc. | Turbine vane with dust tolerant cooling system |
US10837293B2 (en) | 2018-07-19 | 2020-11-17 | General Electric Company | Airfoil with tunable cooling configuration |
US10662783B2 (en) * | 2018-08-29 | 2020-05-26 | United Technologies Corporation | Variable heat transfer collector baffle |
US11230929B2 (en) | 2019-11-05 | 2022-01-25 | Honeywell International Inc. | Turbine component with dust tolerant cooling system |
EP3862537A1 (en) | 2020-02-10 | 2021-08-11 | General Electric Company Polska sp. z o.o. | Cooled turbine nozzle and nozzle segment |
US11248481B2 (en) * | 2020-04-16 | 2022-02-15 | Raytheon Technologies Corporation | Turbine vane having dual source cooling |
US11248479B2 (en) | 2020-06-11 | 2022-02-15 | General Electric Company | Cast turbine nozzle having heat transfer protrusions on inner surface of leading edge |
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2003
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-
2004
- 2004-04-08 DE DE602004026381T patent/DE602004026381D1/de not_active Expired - Lifetime
- 2004-04-08 EP EP04252131A patent/EP1469164B1/en not_active Expired - Fee Related
- 2004-04-14 JP JP2004118457A patent/JP4728588B2/ja not_active Expired - Fee Related
- 2004-04-15 CN CNB2004100343953A patent/CN100357568C/zh not_active Expired - Lifetime
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US3369792A (en) * | 1966-04-07 | 1968-02-20 | Gen Electric | Airfoil vane |
JPS611805A (ja) * | 1984-05-24 | 1986-01-07 | ゼネラル・エレクトリツク・カンパニイ | ガスタービン機関に使う羽根 |
JPS6229701A (ja) * | 1985-07-30 | 1987-02-07 | Toshiba Corp | ガスタ−ビン |
JPH1082527A (ja) * | 1996-09-05 | 1998-03-31 | Toshiba Corp | ガスタービン燃焼器 |
JPH10184312A (ja) * | 1996-12-24 | 1998-07-14 | Hitachi Ltd | ガスタービン |
JPH10280905A (ja) * | 1997-04-02 | 1998-10-20 | Mitsubishi Heavy Ind Ltd | ガスタービン冷却翼のタービュレータ |
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JP2003083001A (ja) * | 2001-09-13 | 2003-03-19 | Hitachi Ltd | ガスタービン及びその静翼 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016525652A (ja) * | 2013-07-29 | 2016-08-25 | シーメンス アクティエンゲゼルシャフト | タービンブレード |
WO2018163877A1 (ja) * | 2017-03-10 | 2018-09-13 | 三菱日立パワーシステムズ株式会社 | タービン翼、タービン及びタービン翼の冷却方法 |
KR20190111120A (ko) * | 2017-03-10 | 2019-10-01 | 미츠비시 히타치 파워 시스템즈 가부시키가이샤 | 터빈 날개, 터빈 및 터빈 날개의 냉각 방법 |
CN110382823A (zh) * | 2017-03-10 | 2019-10-25 | 三菱日立电力系统株式会社 | 涡轮叶片、涡轮及涡轮叶片的冷却方法 |
KR102269713B1 (ko) * | 2017-03-10 | 2021-06-25 | 미츠비시 파워 가부시키가이샤 | 터빈 날개, 터빈 및 터빈 날개의 냉각 방법 |
US11313232B2 (en) | 2017-03-10 | 2022-04-26 | Mitsubishi Heavy Industries, Ltd. | Turbine blade, turbine, and method for cooling turbine blade |
Also Published As
Publication number | Publication date |
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EP1469164A2 (en) | 2004-10-20 |
CN100357568C (zh) | 2007-12-26 |
JP4728588B2 (ja) | 2011-07-20 |
CN1538039A (zh) | 2004-10-20 |
EP1469164A3 (en) | 2008-04-23 |
US6884036B2 (en) | 2005-04-26 |
US20040208744A1 (en) | 2004-10-21 |
DE602004026381D1 (de) | 2010-05-20 |
EP1469164B1 (en) | 2010-04-07 |
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