JP4731001B2 - ガスタービンバケット冷却回路及び冷却方法 - Google Patents
ガスタービンバケット冷却回路及び冷却方法 Download PDFInfo
- Publication number
- JP4731001B2 JP4731001B2 JP2000297789A JP2000297789A JP4731001B2 JP 4731001 B2 JP4731001 B2 JP 4731001B2 JP 2000297789 A JP2000297789 A JP 2000297789A JP 2000297789 A JP2000297789 A JP 2000297789A JP 4731001 B2 JP4731001 B2 JP 4731001B2
- Authority
- JP
- Japan
- Prior art keywords
- cooling
- passage
- bucket
- airfoil portion
- along
- 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 claims abstract description 58
- 239000002826 coolant Substances 0.000 claims abstract description 16
- 238000004891 communication Methods 0.000 claims abstract description 3
- 239000012530 fluid Substances 0.000 claims abstract description 3
- 230000007704 transition Effects 0.000 claims description 21
- 238000012546 transfer Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 238000013461 design Methods 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000035882 stress Effects 0.000 description 5
- 241000725175 Caladium bicolor Species 0.000 description 2
- 235000015966 Pleurocybella porrigens Nutrition 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000007847 structural defect Effects 0.000 description 1
- 239000012720 thermal barrier coating Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/12—Cooling of plants
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C21/00—Flasks; Accessories therefor
- B22C21/12—Accessories
- B22C21/14—Accessories for reinforcing or securing moulding materials or cores, e.g. gaggers, chaplets, pins, bars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
-
- 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
- F05D2240/80—Platforms for stationary or moving blades
- F05D2240/81—Cooled platforms
-
- 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
- F05D2260/205—Cooling fluid recirculation, i.e. after cooling one or more components is the cooling fluid recovered and used elsewhere for other purposes
-
- 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
- F05D2260/232—Heat transfer, e.g. cooling characterized by the cooling medium
- F05D2260/2322—Heat transfer, e.g. cooling characterized by the cooling medium steam
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/496715 | 2000-02-02 | ||
| US09/496,715 US6390774B1 (en) | 2000-02-02 | 2000-02-02 | Gas turbine bucket cooling circuit and related process |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2001214703A JP2001214703A (ja) | 2001-08-10 |
| JP2001214703A5 JP2001214703A5 (enExample) | 2007-11-15 |
| JP4731001B2 true JP4731001B2 (ja) | 2011-07-20 |
Family
ID=23973815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000297789A Expired - Lifetime JP4731001B2 (ja) | 2000-02-02 | 2000-09-29 | ガスタービンバケット冷却回路及び冷却方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6390774B1 (enExample) |
| EP (1) | EP1122405B1 (enExample) |
| JP (1) | JP4731001B2 (enExample) |
| KR (1) | KR20010077887A (enExample) |
| AT (1) | ATE491080T1 (enExample) |
| CZ (1) | CZ20003307A3 (enExample) |
| DE (1) | DE60045333D1 (enExample) |
Families Citing this family (44)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6932570B2 (en) * | 2002-05-23 | 2005-08-23 | General Electric Company | Methods and apparatus for extending gas turbine engine airfoils useful life |
| US6832893B2 (en) * | 2002-10-24 | 2004-12-21 | Pratt & Whitney Canada Corp. | Blade passive cooling feature |
| US20040169013A1 (en) * | 2003-02-28 | 2004-09-02 | General Electric Company | Method for chemically removing aluminum-containing materials from a substrate |
| US6773229B1 (en) | 2003-03-14 | 2004-08-10 | General Electric Company | Turbine nozzle having angel wing seal lands and associated welding method |
| US20050000674A1 (en) * | 2003-07-01 | 2005-01-06 | Beddard Thomas Bradley | Perimeter-cooled stage 1 bucket core stabilizing device and related method |
| US6966756B2 (en) * | 2004-01-09 | 2005-11-22 | General Electric Company | Turbine bucket cooling passages and internal core for producing the passages |
| US7097424B2 (en) | 2004-02-03 | 2006-08-29 | United Technologies Corporation | Micro-circuit platform |
| US7097417B2 (en) * | 2004-02-09 | 2006-08-29 | Siemens Westinghouse Power Corporation | Cooling system for an airfoil vane |
| US7207775B2 (en) * | 2004-06-03 | 2007-04-24 | General Electric Company | Turbine bucket with optimized cooling circuit |
| US7147439B2 (en) * | 2004-09-15 | 2006-12-12 | General Electric Company | Apparatus and methods for cooling turbine bucket platforms |
| FR2877034B1 (fr) | 2004-10-27 | 2009-04-03 | Snecma Moteurs Sa | Aube de rotor d'une turbine a gaz |
| US7198458B2 (en) | 2004-12-02 | 2007-04-03 | Siemens Power Generation, Inc. | Fail safe cooling system for turbine vanes |
| US7153096B2 (en) * | 2004-12-02 | 2006-12-26 | Siemens Power Generation, Inc. | Stacked laminate CMC turbine vane |
| US7255535B2 (en) * | 2004-12-02 | 2007-08-14 | Albrecht Harry A | Cooling systems for stacked laminate CMC vane |
| US7255536B2 (en) | 2005-05-23 | 2007-08-14 | United Technologies Corporation | Turbine airfoil platform cooling circuit |
| US7465152B2 (en) * | 2005-09-16 | 2008-12-16 | General Electric Company | Angel wing seals for turbine blades and methods for selecting stator, rotor and wing seal profiles |
| US7309212B2 (en) | 2005-11-21 | 2007-12-18 | General Electric Company | Gas turbine bucket with cooled platform leading edge and method of cooling platform leading edge |
| US7695246B2 (en) * | 2006-01-31 | 2010-04-13 | United Technologies Corporation | Microcircuits for small engines |
| US7416391B2 (en) * | 2006-02-24 | 2008-08-26 | General Electric Company | Bucket platform cooling circuit and method |
| US7766606B2 (en) * | 2006-08-17 | 2010-08-03 | Siemens Energy, Inc. | Turbine airfoil cooling system with platform cooling channels with diffusion slots |
| US20100034662A1 (en) * | 2006-12-26 | 2010-02-11 | General Electric Company | Cooled airfoil and method for making an airfoil having reduced trail edge slot flow |
| US8052395B2 (en) * | 2007-09-28 | 2011-11-08 | General Electric Company | Air cooled bucket for a turbine |
| US8147188B2 (en) * | 2007-09-28 | 2012-04-03 | General Electric Company | Air cooled bucket for a turbine |
| US8511990B2 (en) * | 2009-06-24 | 2013-08-20 | General Electric Company | Cooling hole exits for a turbine bucket tip shroud |
| US8523527B2 (en) * | 2010-03-10 | 2013-09-03 | General Electric Company | Apparatus for cooling a platform of a turbine component |
| US8647064B2 (en) * | 2010-08-09 | 2014-02-11 | General Electric Company | Bucket assembly cooling apparatus and method for forming the bucket assembly |
| US9416666B2 (en) | 2010-09-09 | 2016-08-16 | General Electric Company | Turbine blade platform cooling systems |
| US8814518B2 (en) * | 2010-10-29 | 2014-08-26 | General Electric Company | Apparatus and methods for cooling platform regions of turbine rotor blades |
| US8636471B2 (en) | 2010-12-20 | 2014-01-28 | General Electric Company | Apparatus and methods for cooling platform regions of turbine rotor blades |
| US8628300B2 (en) * | 2010-12-30 | 2014-01-14 | General Electric Company | Apparatus and methods for cooling platform regions of turbine rotor blades |
| US8753083B2 (en) | 2011-01-14 | 2014-06-17 | General Electric Company | Curved cooling passages for a turbine component |
| US9447691B2 (en) * | 2011-08-22 | 2016-09-20 | General Electric Company | Bucket assembly treating apparatus and method for treating bucket assembly |
| US8858160B2 (en) * | 2011-11-04 | 2014-10-14 | General Electric Company | Bucket assembly for turbine system |
| US9022735B2 (en) * | 2011-11-08 | 2015-05-05 | General Electric Company | Turbomachine component and method of connecting cooling circuits of a turbomachine component |
| US9127561B2 (en) | 2012-03-01 | 2015-09-08 | General Electric Company | Turbine bucket with contoured internal rib |
| US9109454B2 (en) * | 2012-03-01 | 2015-08-18 | General Electric Company | Turbine bucket with pressure side cooling |
| US8974182B2 (en) | 2012-03-01 | 2015-03-10 | General Electric Company | Turbine bucket with a core cavity having a contoured turn |
| US9638051B2 (en) | 2013-09-04 | 2017-05-02 | General Electric Company | Turbomachine bucket having angel wing for differently sized discouragers and related methods |
| US9810072B2 (en) | 2014-05-28 | 2017-11-07 | General Electric Company | Rotor blade cooling |
| US10697306B2 (en) | 2014-09-18 | 2020-06-30 | Siemens Aktiengesellschaft | Gas turbine airfoil including integrated leading edge and tip cooling fluid passage and core structure used for forming such an airfoil |
| US20190085706A1 (en) * | 2017-09-18 | 2019-03-21 | General Electric Company | Turbine engine airfoil assembly |
| US10731475B2 (en) | 2018-04-20 | 2020-08-04 | Raytheon Technologies Corporation | Blade with inlet orifice on aft face of root |
| JP7129277B2 (ja) * | 2018-08-24 | 2022-09-01 | 三菱重工業株式会社 | 翼およびガスタービン |
| US12286900B2 (en) | 2021-12-28 | 2025-04-29 | Mitsubishi Heavy Industries, Ltd. | Rotor blade and gas turbine provided therewith |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB754217A (en) | 1953-01-30 | 1956-08-08 | Gen Motors Corp | Improvements relating to turbine blades |
| US3844679A (en) | 1973-03-28 | 1974-10-29 | Gen Electric | Pressurized serpentine cooling channel construction for open-circuit liquid cooled turbine buckets |
| US4212587A (en) * | 1978-05-30 | 1980-07-15 | General Electric Company | Cooling system for a gas turbine using V-shaped notch weirs |
| US4242045A (en) * | 1979-06-01 | 1980-12-30 | General Electric Company | Trap seal for open circuit liquid cooled turbines |
| US4244676A (en) * | 1979-06-01 | 1981-01-13 | General Electric Company | Cooling system for a gas turbine using a cylindrical insert having V-shaped notch weirs |
| GB2082257B (en) | 1980-08-08 | 1984-02-15 | Gen Electric | Liquid coolant distribution systems for gas turbines |
| US4775296A (en) * | 1981-12-28 | 1988-10-04 | United Technologies Corporation | Coolable airfoil for a rotary machine |
| JPS61205301A (ja) * | 1985-03-06 | 1986-09-11 | Hitachi Ltd | ガスタ−ビン翼 |
| US5340278A (en) * | 1992-11-24 | 1994-08-23 | United Technologies Corporation | Rotor blade with integral platform and a fillet cooling passage |
| JPH07119405A (ja) * | 1993-10-26 | 1995-05-09 | Hitachi Ltd | ガスタービン冷却翼 |
| US5491971A (en) | 1993-12-23 | 1996-02-20 | General Electric Co. | Closed circuit air cooled gas turbine combined cycle |
| US5591002A (en) | 1994-08-23 | 1997-01-07 | General Electric Co. | Closed or open air cooling circuits for nozzle segments with wheelspace purge |
| US5536143A (en) | 1995-03-31 | 1996-07-16 | General Electric Co. | Closed circuit steam cooled bucket |
| JP2851578B2 (ja) * | 1996-03-12 | 1999-01-27 | 三菱重工業株式会社 | ガスタービン翼 |
| JP3426841B2 (ja) | 1996-04-15 | 2003-07-14 | 三菱重工業株式会社 | ガスタービン動翼 |
| US5823741A (en) | 1996-09-25 | 1998-10-20 | General Electric Co. | Cooling joint connection for abutting segments in a gas turbine engine |
| DE19713268B4 (de) | 1997-03-29 | 2006-01-19 | Alstom | Gekühlte Gasturbinenschaufel |
| US5915923A (en) * | 1997-05-22 | 1999-06-29 | Mitsubishi Heavy Industries, Ltd. | Gas turbine moving blade |
| US6190130B1 (en) | 1998-03-03 | 2001-02-20 | Mitsubishi Heavy Industries, Ltd. | Gas turbine moving blade platform |
| US6092991A (en) * | 1998-03-05 | 2000-07-25 | Mitsubishi Heavy Industries, Ltd. | Gas turbine blade |
| US6065931A (en) * | 1998-03-05 | 2000-05-23 | Mitsubishi Heavy Industries, Ltd. | Gas turbine moving blade |
| CA2231988C (en) | 1998-03-12 | 2002-05-28 | Mitsubishi Heavy Industries, Ltd. | Gas turbine blade |
-
2000
- 2000-02-02 US US09/496,715 patent/US6390774B1/en not_active Expired - Lifetime
- 2000-09-11 CZ CZ20003307A patent/CZ20003307A3/cs unknown
- 2000-09-29 EP EP00308612A patent/EP1122405B1/en not_active Expired - Lifetime
- 2000-09-29 KR KR1020000057411A patent/KR20010077887A/ko not_active Ceased
- 2000-09-29 JP JP2000297789A patent/JP4731001B2/ja not_active Expired - Lifetime
- 2000-09-29 AT AT00308612T patent/ATE491080T1/de not_active IP Right Cessation
- 2000-09-29 DE DE60045333T patent/DE60045333D1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CZ20003307A3 (cs) | 2001-09-12 |
| EP1122405B1 (en) | 2010-12-08 |
| KR20010077887A (ko) | 2001-08-20 |
| JP2001214703A (ja) | 2001-08-10 |
| EP1122405A3 (en) | 2004-01-07 |
| ATE491080T1 (de) | 2010-12-15 |
| US6390774B1 (en) | 2002-05-21 |
| DE60045333D1 (de) | 2011-01-20 |
| EP1122405A2 (en) | 2001-08-08 |
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