DE60037927D1 - Turbinenschaufel mit besonderer Kühlung der Druckseite der Austrittskante - Google Patents
Turbinenschaufel mit besonderer Kühlung der Druckseite der AustrittskanteInfo
- Publication number
- DE60037927D1 DE60037927D1 DE60037927T DE60037927T DE60037927D1 DE 60037927 D1 DE60037927 D1 DE 60037927D1 DE 60037927 T DE60037927 T DE 60037927T DE 60037927 T DE60037927 T DE 60037927T DE 60037927 D1 DE60037927 D1 DE 60037927D1
- Authority
- DE
- Germany
- Prior art keywords
- trailing edge
- pressure side
- turbine blade
- special cooling
- special
- 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 - Lifetime
Links
- 238000001816 cooling Methods 0.000 title 1
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
- F01D5/186—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
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/221—Improvement of heat transfer
-
- 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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US379022 | 1989-07-12 | ||
US09/379,022 US6273682B1 (en) | 1999-08-23 | 1999-08-23 | Turbine blade with preferentially-cooled trailing edge pressure wall |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60037927D1 true DE60037927D1 (de) | 2008-03-20 |
DE60037927T2 DE60037927T2 (de) | 2009-01-22 |
Family
ID=23495493
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60037927T Expired - Lifetime DE60037927T2 (de) | 1999-08-23 | 2000-08-04 | Turbinenschaufel mit besonderer Kühlung der Druckseite der Austrittskante |
Country Status (4)
Country | Link |
---|---|
US (1) | US6273682B1 (de) |
EP (1) | EP1079071B1 (de) |
JP (1) | JP4659188B2 (de) |
DE (1) | DE60037927T2 (de) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1000698B1 (de) * | 1998-11-09 | 2003-05-21 | ALSTOM (Switzerland) Ltd | Gekühlte Komponenten mit konischen Kühlungskanälen |
US6582584B2 (en) | 1999-08-16 | 2003-06-24 | General Electric Company | Method for enhancing heat transfer inside a turbulated cooling passage |
US6481972B2 (en) * | 2000-12-22 | 2002-11-19 | General Electric Company | Turbine bucket natural frequency tuning rib |
US6499949B2 (en) * | 2001-03-27 | 2002-12-31 | Robert Edward Schafrik | Turbine airfoil trailing edge with micro cooling channels |
US7074006B1 (en) | 2002-10-08 | 2006-07-11 | The United States Of America As Represented By The Administrator Of National Aeronautics And Space Administration | Endwall treatment and method for gas turbine |
US7094031B2 (en) * | 2004-09-09 | 2006-08-22 | General Electric Company | Offset Coriolis turbulator blade |
US7156620B2 (en) * | 2004-12-21 | 2007-01-02 | Pratt & Whitney Canada Corp. | Internally cooled gas turbine airfoil and method |
US7156619B2 (en) * | 2004-12-21 | 2007-01-02 | Pratt & Whitney Canada Corp. | Internally cooled gas turbine airfoil and method |
US7360434B1 (en) * | 2005-12-31 | 2008-04-22 | Florida Turbine Technologies, Inc. | Apparatus and method to measure air pressure within a turbine airfoil |
US7780413B2 (en) * | 2006-08-01 | 2010-08-24 | Siemens Energy, Inc. | Turbine airfoil with near wall inflow chambers |
US7481623B1 (en) | 2006-08-11 | 2009-01-27 | Florida Turbine Technologies, Inc. | Compartment cooled turbine blade |
US7540712B1 (en) | 2006-09-15 | 2009-06-02 | Florida Turbine Technologies, Inc. | Turbine airfoil with showerhead cooling holes |
US7597540B1 (en) | 2006-10-06 | 2009-10-06 | Florida Turbine Technologies, Inc. | Turbine blade with showerhead film cooling holes |
US7530789B1 (en) | 2006-11-16 | 2009-05-12 | Florida Turbine Technologies, Inc. | Turbine blade with a serpentine flow and impingement cooling circuit |
US7645122B1 (en) * | 2006-12-01 | 2010-01-12 | Florida Turbine Technologies, Inc. | Turbine rotor blade with a nested parallel serpentine flow cooling circuit |
US7806659B1 (en) | 2007-07-10 | 2010-10-05 | Florida Turbine Technologies, Inc. | Turbine blade with trailing edge bleed slot arrangement |
US8083485B2 (en) * | 2007-08-15 | 2011-12-27 | United Technologies Corporation | Angled tripped airfoil peanut cavity |
US8439628B2 (en) * | 2010-01-06 | 2013-05-14 | General Electric Company | Heat transfer enhancement in internal cavities of turbine engine airfoils |
US8535006B2 (en) | 2010-07-14 | 2013-09-17 | Siemens Energy, Inc. | Near-wall serpentine cooled turbine airfoil |
US8764394B2 (en) | 2011-01-06 | 2014-07-01 | Siemens Energy, Inc. | Component cooling channel |
US9017027B2 (en) | 2011-01-06 | 2015-04-28 | Siemens Energy, Inc. | Component having cooling channel with hourglass cross section |
US9022736B2 (en) | 2011-02-15 | 2015-05-05 | Siemens Energy, Inc. | Integrated axial and tangential serpentine cooling circuit in a turbine airfoil |
US9017025B2 (en) | 2011-04-22 | 2015-04-28 | Siemens Energy, Inc. | Serpentine cooling circuit with T-shaped partitions in a turbine airfoil |
EP2844839A1 (de) * | 2012-04-23 | 2015-03-11 | General Electric Company | Turbinenschaufel mit lokaler wanddickensteuerung |
US9506351B2 (en) | 2012-04-27 | 2016-11-29 | General Electric Company | Durable turbine vane |
EP2725235A1 (de) * | 2012-10-24 | 2014-04-30 | Siemens Aktiengesellschaft | Unterschiedlich raue Schaufel und zugehörige Herstellungsverfahren |
EP2946079B1 (de) * | 2013-01-15 | 2021-05-19 | Raytheon Technologies Corporation | Bauteil eines gasturbinentriebwerks mit quer abgewinkelten pralllippen |
US9458725B2 (en) * | 2013-10-04 | 2016-10-04 | General Electric Company | Method and system for providing cooling for turbine components |
US9039371B2 (en) * | 2013-10-31 | 2015-05-26 | Siemens Aktiengesellschaft | Trailing edge cooling using angled impingement on surface enhanced with cast chevron arrangements |
US9551229B2 (en) | 2013-12-26 | 2017-01-24 | Siemens Aktiengesellschaft | Turbine airfoil with an internal cooling system having trip strips with reduced pressure drop |
US9970319B2 (en) | 2014-05-05 | 2018-05-15 | United Technologies Corporation | Reducing variation in cooling hole meter length |
US10041356B2 (en) | 2014-08-15 | 2018-08-07 | United Technologies Corporation | Showerhead hole scheme apparatus and system |
CN107429568B (zh) | 2015-03-17 | 2019-11-29 | 西门子能源有限公司 | 用于涡轮发动机中的翼型件的在后缘冷却通道中具有收缩扩张出口槽的内部冷却系统 |
JP6806599B2 (ja) | 2017-03-10 | 2021-01-06 | 三菱パワー株式会社 | タービン翼、タービン及びタービン翼の冷却方法 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1087527A (en) * | 1977-02-10 | 1980-10-14 | George A. Durgin | Cooled gas turbine blade |
US4180373A (en) | 1977-12-28 | 1979-12-25 | United Technologies Corporation | Turbine blade |
US4515526A (en) | 1981-12-28 | 1985-05-07 | United Technologies Corporation | Coolable airfoil for a rotary machine |
US5232343A (en) | 1984-05-24 | 1993-08-03 | General Electric Company | Turbine blade |
GB2228540B (en) * | 1988-12-07 | 1993-03-31 | Rolls Royce Plc | Cooling of turbine blades |
JP3006174B2 (ja) * | 1991-07-04 | 2000-02-07 | 株式会社日立製作所 | 内部に冷却通路を有する部材 |
US5700132A (en) | 1991-12-17 | 1997-12-23 | General Electric Company | Turbine blade having opposing wall turbulators |
US5695320A (en) | 1991-12-17 | 1997-12-09 | General Electric Company | Turbine blade having auxiliary turbulators |
US5695322A (en) | 1991-12-17 | 1997-12-09 | General Electric Company | Turbine blade having restart turbulators |
US5695321A (en) | 1991-12-17 | 1997-12-09 | General Electric Company | Turbine blade having variable configuration turbulators |
US5681144A (en) | 1991-12-17 | 1997-10-28 | General Electric Company | Turbine blade having offset turbulators |
US5306401A (en) | 1993-03-15 | 1994-04-26 | Fierkens Richard H J | Method for drilling cooling holes in turbine blades |
JP3192854B2 (ja) * | 1993-12-28 | 2001-07-30 | 株式会社東芝 | タービン冷却翼 |
US5472316A (en) * | 1994-09-19 | 1995-12-05 | General Electric Company | Enhanced cooling apparatus for gas turbine engine airfoils |
US5468125A (en) | 1994-12-20 | 1995-11-21 | Alliedsignal Inc. | Turbine blade with improved heat transfer surface |
US5738493A (en) | 1997-01-03 | 1998-04-14 | General Electric Company | Turbulator configuration for cooling passages of an airfoil in a gas turbine engine |
US5797726A (en) | 1997-01-03 | 1998-08-25 | General Electric Company | Turbulator configuration for cooling passages or rotor blade in a gas turbine engine |
JPH10205303A (ja) * | 1997-01-21 | 1998-08-04 | Hitachi Ltd | タービン翼 |
US5931638A (en) * | 1997-08-07 | 1999-08-03 | United Technologies Corporation | Turbomachinery airfoil with optimized heat transfer |
-
1999
- 1999-08-23 US US09/379,022 patent/US6273682B1/en not_active Expired - Lifetime
-
2000
- 2000-08-04 EP EP00306670A patent/EP1079071B1/de not_active Revoked
- 2000-08-04 DE DE60037927T patent/DE60037927T2/de not_active Expired - Lifetime
- 2000-08-16 JP JP2000246576A patent/JP4659188B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2001073705A (ja) | 2001-03-21 |
US6273682B1 (en) | 2001-08-14 |
EP1079071B1 (de) | 2008-01-30 |
EP1079071A3 (de) | 2003-09-10 |
EP1079071A2 (de) | 2001-02-28 |
DE60037927T2 (de) | 2009-01-22 |
JP4659188B2 (ja) | 2011-03-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent |