JP4689720B2 - ガスタービンにおける冷却形タービン翼およびそのタービン翼の利用 - Google Patents
ガスタービンにおける冷却形タービン翼およびそのタービン翼の利用 Download PDFInfo
- Publication number
- JP4689720B2 JP4689720B2 JP2008523325A JP2008523325A JP4689720B2 JP 4689720 B2 JP4689720 B2 JP 4689720B2 JP 2008523325 A JP2008523325 A JP 2008523325A JP 2008523325 A JP2008523325 A JP 2008523325A JP 4689720 B2 JP4689720 B2 JP 4689720B2
- Authority
- JP
- Japan
- Prior art keywords
- airfoil
- blade
- cavity
- turbine blade
- wall
- 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
- 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
- F01D5/188—Convection cooling with an insert in the blade cavity to guide the cooling fluid, e.g. forming a separation wall
-
- 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
- F05D2240/127—Vortex generators, turbulators, or the like, for mixing
-
- 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
-
- 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
- F05D2260/231—Preventing heat transfer
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Blast Furnaces (AREA)
Description
50 タービン翼
52 翼脚
54 翼台座
56 翼形部(羽根部)
61 翼台座表面
59 内側壁
60 冷却材
70 リブ
72 構造要素
73 構造要素
Claims (11)
- 翼脚(52)と、この翼脚(52)に続き横に延びる翼台座(54)とを備えた翼台座領域と、その翼台座(54)に続く湾曲した翼形部(56)と、翼台座(54)に設けられ燃焼ガスに曝される翼台座表面(61)と、翼脚側が開口し冷却材(K)で貫流される少なくとも1個の空洞(58)とを備え、前記翼台座表面(61)から前記翼形部(56)が翼先端まで翼形部高さ(H)にわたり延び、前記空洞(58)が、翼脚(52)と翼台座領域とを貫通して翼形部(56)まで延び、少なくとも前縁に隣接する第1部分空洞とこの第1部分空洞に隣接する第2部分空洞に分けられ、それらの部分空洞が部分的に内側壁(59)で取り囲まれ、該内側壁(59)の表面に、冷却材(60)への熱伝達率を高めるための乱流発生体として、リブ、台座、ディンプルおよび/又はニップルの形態で形成された構造要素(72、73)が設けられ、その第1部分空洞の内側壁(59)の表面における少なくとも翼形部(56)に位置し、翼台座領域に隣接する第1区域(A)が、少なくとも1個の前記構造要素を有しているガスタービン用タービン翼(50)において、
第2部分空洞の内側壁(59)の表面における少なくとも翼形部(56)に位置し、翼台座領域に隣接する第2区域(A)に、前記構造要素(72、73)が存在しておらず、前記第2部分空洞の内側壁(59)の表面におけるその他の区域(C)に、前記構造要素(72、73)が存在していることを特徴とするガスタービン用タービン翼。 - 翼台座領域の高さにおける第2部分空洞の内側壁(59)の表面およびそれに隣接する翼形部(56)における第2区域(A)の内側壁の表面が平らであることを特徴とする請求項1に記載のタービン翼。
- 第2部分空洞において翼台座表面(61)と半径方向に見てその次に位置して隣接する構造要素(73)が、翼形部(56)に設けられた互いに直接隣接する2個の構造要素(72、73)間の平均最小距離(m)より大きな間隔(D)を有していることを特徴とする請求項1又は2に記載のタービン翼。
- 間隔(D)が、翼形部(56)に設けられた2個の構造要素(72、73)間の平均最小距離(m)の少なくとも1.1倍であることを特徴とする請求項3に記載のタービン翼。
- 第2区域(A)が、翼台座表面(61)から計って翼形部高さ(H)の5%の高さを有していることを特徴とする請求項1ないし3のいずれか1つに記載のタービン翼。
- 翼形部(56)の内側壁(59)の構造要素(72、73)を有する第2部分空洞の区域(C)が、翼台座表面(61)から翼先端(74)の方向に計って翼形部高さ(H)の10%の高さからはじめて始まっていることを特徴とする請求項1ないし5のいずれか1つに記載のタービン翼。
- 部分空洞が支えリブ(70)によって互いに分離され、その第2部分空洞が、翼形部(56)の前縁(66)と後縁(68)との間における中間領域に位置していることを特徴とする請求項1ないし6のいずれか1つに記載のタービン翼。
- 翼形部(56)が翼背側壁(64)を有し、該翼背側壁(64)が空洞(58)を部分的に境界づけ、その空洞(58)の内側面に、内側壁(59)の表面の第2区域(A)が位置していることを特徴とする請求項7に記載のタービン翼。
- 翼形部(56)が翼腹側壁(62)を有し、該翼腹側壁(62)が空洞(58)を部分的に境界づけ、その空洞(58)の内側面に、内側壁(59)の表面の第1区域(A)が位置していることを特徴とする請求項8に記載のタービン翼。
- 鋳造されたタービン翼(50)であることを特徴とする請求項1ないし9のいずれか1つに記載のタービン翼。
- 請求項1ないし10のいずれか1つに記載のタービン翼(50)を備えることを特徴とする定置形ガスタービン。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05016328.6 | 2005-07-27 | ||
EP05016328 | 2005-07-27 | ||
PCT/EP2006/064414 WO2007012592A1 (de) | 2005-07-27 | 2006-07-19 | Gekühlte turbinenschaufel für eine gasturbine und verwendung einer solchen turbinenschaufel |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009517574A JP2009517574A (ja) | 2009-04-30 |
JP4689720B2 true JP4689720B2 (ja) | 2011-05-25 |
Family
ID=35448370
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008523325A Active JP4689720B2 (ja) | 2005-07-27 | 2006-07-19 | ガスタービンにおける冷却形タービン翼およびそのタービン翼の利用 |
Country Status (9)
Country | Link |
---|---|
US (1) | US8545169B2 (ja) |
EP (1) | EP1907670B1 (ja) |
JP (1) | JP4689720B2 (ja) |
CN (1) | CN101627182B (ja) |
AT (1) | ATE413514T1 (ja) |
DE (1) | DE502006002030D1 (ja) |
ES (1) | ES2314928T3 (ja) |
PL (1) | PL1907670T3 (ja) |
WO (1) | WO2007012592A1 (ja) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
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US8257045B2 (en) * | 2008-08-15 | 2012-09-04 | United Technologies Corp. | Platforms with curved side edges and gas turbine engine systems involving such platforms |
US8186933B2 (en) * | 2009-03-24 | 2012-05-29 | General Electric Company | Systems, methods, and apparatus for passive purge flow control in a turbine |
JP5814254B2 (ja) | 2009-12-18 | 2015-11-17 | サン−ゴバン パフォーマンス プラスチックス パンプス ゲゼルシャフト ミット ベシュレンクテル ハフツング | 機能層を有するトレランスリング用のシステム、方法および装置 |
US8764379B2 (en) * | 2010-02-25 | 2014-07-01 | General Electric Company | Turbine blade with shielded tip coolant supply passageway |
WO2011161188A1 (en) * | 2010-06-23 | 2011-12-29 | Siemens Aktiengesellschaft | Gas turbine blade |
US8657579B2 (en) | 2010-08-27 | 2014-02-25 | General Electric Company | Blade for use with a rotary machine and method of assembling same rotary machine |
US8636890B2 (en) * | 2011-09-23 | 2014-01-28 | General Electric Company | Method for refurbishing PtAl coating to turbine hardware removed from service |
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 |
KR101509385B1 (ko) * | 2014-01-16 | 2015-04-07 | 두산중공업 주식회사 | 스월링 냉각 채널을 구비한 터빈 블레이드 및 그 냉각 방법 |
EP2944762B1 (en) * | 2014-05-12 | 2016-12-21 | General Electric Technology GmbH | Airfoil with improved cooling |
EP2998507A1 (de) * | 2014-09-16 | 2016-03-23 | Siemens Aktiengesellschaft | Eine gekühlte Turbinenschaufel, welche interne Verbindungsrippen zwischen den Kühlräumen beinhaltet, welche Sollbruchstellen zur Verringerung von Thermischen Spannungen aufweisen |
EP3112589A1 (de) | 2015-07-03 | 2017-01-04 | Siemens Aktiengesellschaft | Turbinenschaufel |
JP6025941B1 (ja) | 2015-08-25 | 2016-11-16 | 三菱日立パワーシステムズ株式会社 | タービン動翼、及び、ガスタービン |
JP6025940B1 (ja) | 2015-08-25 | 2016-11-16 | 三菱日立パワーシステムズ株式会社 | タービン動翼、及び、ガスタービン |
EP3241990A1 (en) * | 2016-05-04 | 2017-11-08 | Siemens Aktiengesellschaft | A turbomachine blade or vane having a vortex generating element |
US10119406B2 (en) * | 2016-05-12 | 2018-11-06 | General Electric Company | Blade with stress-reducing bulbous projection at turn opening of coolant passages |
US10830049B2 (en) * | 2017-05-02 | 2020-11-10 | Raytheon Technologies Corporation | Leading edge hybrid cavities and cores for airfoils of gas turbine engine |
US10830059B2 (en) * | 2017-12-13 | 2020-11-10 | Solar Turbines Incorporated | Turbine blade cooling system with tip flag transition |
US10822987B1 (en) | 2019-04-16 | 2020-11-03 | Pratt & Whitney Canada Corp. | Turbine stator outer shroud cooling fins |
JP2023165485A (ja) * | 2022-05-06 | 2023-11-16 | 三菱重工業株式会社 | タービン翼及びガスタービン |
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-
2006
- 2006-07-19 US US11/989,339 patent/US8545169B2/en active Active
- 2006-07-19 JP JP2008523325A patent/JP4689720B2/ja active Active
- 2006-07-19 WO PCT/EP2006/064414 patent/WO2007012592A1/de active Search and Examination
- 2006-07-19 CN CN2006800273233A patent/CN101627182B/zh active Active
- 2006-07-19 AT AT06764215T patent/ATE413514T1/de not_active IP Right Cessation
- 2006-07-19 PL PL06764215T patent/PL1907670T3/pl unknown
- 2006-07-19 EP EP06764215A patent/EP1907670B1/de active Active
- 2006-07-19 ES ES06764215T patent/ES2314928T3/es active Active
- 2006-07-19 DE DE502006002030T patent/DE502006002030D1/de active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US5695322A (en) * | 1991-12-17 | 1997-12-09 | General Electric Company | Turbine blade having restart turbulators |
JPH10159501A (ja) * | 1996-09-26 | 1998-06-16 | General Electric Co <Ge> | エアフォイル |
JPH10280904A (ja) * | 1997-04-01 | 1998-10-20 | Mitsubishi Heavy Ind Ltd | ガスタービン冷却動翼 |
US5924843A (en) * | 1997-05-21 | 1999-07-20 | General Electric Company | Turbine blade cooling |
Also Published As
Publication number | Publication date |
---|---|
CN101627182B (zh) | 2013-02-27 |
JP2009517574A (ja) | 2009-04-30 |
EP1907670B1 (de) | 2008-11-05 |
ATE413514T1 (de) | 2008-11-15 |
DE502006002030D1 (de) | 2008-12-18 |
US8545169B2 (en) | 2013-10-01 |
US20090035128A1 (en) | 2009-02-05 |
PL1907670T3 (pl) | 2009-04-30 |
ES2314928T3 (es) | 2009-03-16 |
WO2007012592A1 (de) | 2007-02-01 |
EP1907670A1 (de) | 2008-04-09 |
CN101627182A (zh) | 2010-01-13 |
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