JP6967837B2 - タービンロータブレード - Google Patents
タービンロータブレード Download PDFInfo
- Publication number
- JP6967837B2 JP6967837B2 JP2016028474A JP2016028474A JP6967837B2 JP 6967837 B2 JP6967837 B2 JP 6967837B2 JP 2016028474 A JP2016028474 A JP 2016028474A JP 2016028474 A JP2016028474 A JP 2016028474A JP 6967837 B2 JP6967837 B2 JP 6967837B2
- Authority
- JP
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- Prior art keywords
- tip
- trailing edge
- turbine rotor
- rotor blade
- thickness
- 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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- 238000001816 cooling Methods 0.000 claims description 31
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 description 12
- 230000008901 benefit Effects 0.000 description 10
- 239000000567 combustion gas Substances 0.000 description 7
- 239000000446 fuel Substances 0.000 description 6
- 230000008719 thickening Effects 0.000 description 6
- 238000000576 coating method Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
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
-
- 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
- F01D5/20—Specially-shaped blade tips to seal space between tips and stator
-
- 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
- F01D5/141—Shape, i.e. outer, aerodynamic form
-
- 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
- F01D5/141—Shape, i.e. outer, aerodynamic form
- F01D5/146—Shape, i.e. outer, aerodynamic form of blades with tandem configuration, split blades or slotted blades
-
- 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
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
-
- 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
- F02C7/16—Cooling of plants characterised by cooling medium
- F02C7/18—Cooling of plants characterised by cooling medium the medium being gaseous, e.g. air
-
- 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
-
- 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
- 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
- F05D2240/307—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 tip 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
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
12 圧縮機セクション
14 燃焼器組立体
18 燃焼室
24 タービン
40 タービンロータブレード
42 主本体部分
44 根元部分
46 先端部分
48 正圧側壁
50 負圧側壁
52 前縁
54 後縁
56 出口孔
60 先端プレート
62 正圧先端壁
64 負圧先端壁
68 先端前縁
70 先端後縁
80 スクイーラキャビティ
82 少なくとも1つのウィングレット
84 トレンチ
Claims (9)
- タービンロータブレード(40)であって、当該タービンロータブレード(40)が、
正圧先端壁(62)、負圧先端壁(64)、先端前縁(68)及び先端後縁(70)を有し、前記正圧先端壁と前記負圧先端壁が後縁先端厚さを定める、先端部分(46)と、
前記正圧先端壁及び前記負圧先端壁によって少なくとも部分的に定められ、前記先端後縁まで完全に延びて該先端後縁から外に出る開放流路を形成するトレンチ(84)を含む、スクイーラキャビティ(80)と、
前記タービンロータブレードの根元部分(44)から前記先端部分まで延びる負圧側壁(50)及び正圧側壁(48)と
を備えており、
前記負圧側壁及び正圧側壁が後縁ブレード厚さを定め、前記後縁先端厚さが前記後縁ブレード厚さよりも大きく、
前記先端部分が、前記先端後縁にて正圧先端壁の外向きに広がった領域及び先端後縁にて負圧先端壁の外向きに広がった領域の一方又は両方である少なくとも1つのウィングレット(82)を含んでおり、前記トレンチ(84)が負圧先端壁(64)よりも正圧先端壁(62)に近接した位置にある、タービンロータブレード(40)。 - 前記タービンロータブレードの後縁の全体の厚さが、根元部分から、前記タービンロータブレードの後縁での全体の長さの少なくとも80%である前記タービンロータブレードの半径方向長さまで一定であり、前記後縁の厚さは、前記タービンロータブレードの後縁での全体の長さの少なくとも80%の半径方向長さから前記後縁の外側先端位置まで漸次的に増大している、請求項1に記載のタービンロータブレード(40)。
- 前記後縁先端厚さが、後縁ブレード厚さの1.1〜3.0倍である、請求項1又は請求項2に記載のタービンロータブレード(40)。
- 前記後縁先端厚さが、後縁ブレード厚さの1.5〜2.5倍である、請求項1乃至請求項3のいずれか1項に記載のタービンロータブレード(40)。
- 前記後縁先端厚さが、後縁ブレード厚さの1.95〜2.05倍である、請求項1乃至請求項4のいずれか1項に記載のタービンロータブレード(40)。
- 前記トレンチの長さ全体に沿って一定のトレンチ深さを含む、請求項1乃至請求項5のいずれか1項に記載のタービンロータブレード(40)。
- 前記スクイーラキャビティ(80)が、冷却流を排出するよう構成された複数の出口孔(56)を有する、請求項1乃至請求項6のいずれか1項に記載のタービンロータブレード(40)。
- 前記複数の出口孔(56)が、前記トレンチ(84)を通して規則的に離間して配置され、かつ前記トレンチ(84)の最深部付近に配置されている、請求項7に記載のタービンロータブレード(40)。
- ガスタービンエンジンであって、当該ガスタービンエンジンが、
圧縮機セクション(12)と、
燃焼セクション(14)と、
タービンセクション(24)と、
を備えており、前記タービンセクションが、
複数のタービン段を形成する複数のタービンロータブレード(40)であって、各々が請求項1乃至請求項8のいずれか1項に記載のタービンロータブレード(40)である、複数のタービンロータブレード(40)を含む、ガスタービンエンジン。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/631,409 | 2015-02-25 | ||
US14/631,409 US20160245095A1 (en) | 2015-02-25 | 2015-02-25 | Turbine rotor blade |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016156377A JP2016156377A (ja) | 2016-09-01 |
JP6967837B2 true JP6967837B2 (ja) | 2021-11-17 |
Family
ID=55446652
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016028474A Active JP6967837B2 (ja) | 2015-02-25 | 2016-02-18 | タービンロータブレード |
Country Status (4)
Country | Link |
---|---|
US (1) | US20160245095A1 (ja) |
EP (1) | EP3061914B1 (ja) |
JP (1) | JP6967837B2 (ja) |
CN (1) | CN105909315A (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9618002B1 (en) * | 2013-09-27 | 2017-04-11 | University Of South Florida | Mini notched turbine generator |
JP6245740B2 (ja) * | 2013-11-20 | 2017-12-13 | 三菱日立パワーシステムズ株式会社 | ガスタービン翼 |
US20170058680A1 (en) * | 2015-09-02 | 2017-03-02 | General Electric Company | Configurations for turbine rotor blade tips |
US10508554B2 (en) | 2015-10-27 | 2019-12-17 | General Electric Company | Turbine bucket having outlet path in shroud |
US9885243B2 (en) | 2015-10-27 | 2018-02-06 | General Electric Company | Turbine bucket having outlet path in shroud |
US10156145B2 (en) * | 2015-10-27 | 2018-12-18 | General Electric Company | Turbine bucket having cooling passageway |
EP3225782B1 (en) * | 2016-03-29 | 2019-01-23 | Ansaldo Energia Switzerland AG | Airfoil and corresponding blading member |
GB201702384D0 (en) | 2017-02-14 | 2017-03-29 | Rolls Royce Plc | Gas turbine engine fan blade |
GB201702382D0 (en) | 2017-02-14 | 2017-03-29 | Rolls Royce Plc | Gas turbine engine fan blade |
US10443405B2 (en) * | 2017-05-10 | 2019-10-15 | General Electric Company | Rotor blade tip |
US11644046B2 (en) * | 2018-01-05 | 2023-05-09 | Aurora Flight Sciences Corporation | Composite fan blades with integral attachment mechanism |
US10787932B2 (en) * | 2018-07-13 | 2020-09-29 | Honeywell International Inc. | Turbine blade with dust tolerant cooling system |
CN115605668A (zh) * | 2020-05-20 | 2023-01-13 | 西门子能源全球两合公司(De) | 涡轮机叶片 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10202810B4 (de) * | 2002-01-25 | 2004-05-06 | Mtu Aero Engines Gmbh | Turbinenlaufschaufel für den Läufer eines Gasturbinentriebwerks |
GB2409006B (en) * | 2003-12-11 | 2006-05-17 | Rolls Royce Plc | Tip sealing for a turbine rotor blade |
US8632311B2 (en) * | 2006-08-21 | 2014-01-21 | General Electric Company | Flared tip turbine blade |
CN101255800B (zh) * | 2008-02-28 | 2010-06-09 | 大连海事大学 | 涡轮或汽轮机动叶叶尖小翼 |
US8157504B2 (en) * | 2009-04-17 | 2012-04-17 | General Electric Company | Rotor blades for turbine engines |
US8628299B2 (en) * | 2010-01-21 | 2014-01-14 | General Electric Company | System for cooling turbine blades |
GB201006450D0 (en) * | 2010-04-19 | 2010-06-02 | Rolls Royce Plc | Blades |
GB201006449D0 (en) * | 2010-04-19 | 2010-06-02 | Rolls Royce Plc | Blades |
GB201100957D0 (en) * | 2011-01-20 | 2011-03-02 | Rolls Royce Plc | Rotor blade |
US9051843B2 (en) * | 2011-10-28 | 2015-06-09 | General Electric Company | Turbomachine blade including a squeeler pocket |
US20130236318A1 (en) * | 2012-03-06 | 2013-09-12 | General Electric Company | Fabricated turbine airfoil |
US10087764B2 (en) * | 2012-03-08 | 2018-10-02 | Pratt & Whitney Canada Corp. | Airfoil for gas turbine engine |
US9777582B2 (en) * | 2012-07-03 | 2017-10-03 | United Technologies Corporation | Tip leakage flow directionality control |
EP2725195B1 (en) * | 2012-10-26 | 2019-09-25 | Rolls-Royce plc | Turbine blade and corresponding rotor stage |
GB201223193D0 (en) * | 2012-12-21 | 2013-02-06 | Rolls Royce Plc | Turbine blade |
-
2015
- 2015-02-25 US US14/631,409 patent/US20160245095A1/en not_active Abandoned
-
2016
- 2016-02-18 JP JP2016028474A patent/JP6967837B2/ja active Active
- 2016-02-24 EP EP16157182.3A patent/EP3061914B1/en active Active
- 2016-02-25 CN CN201610103187.7A patent/CN105909315A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
JP2016156377A (ja) | 2016-09-01 |
EP3061914B1 (en) | 2024-01-03 |
US20160245095A1 (en) | 2016-08-25 |
EP3061914A1 (en) | 2016-08-31 |
CN105909315A (zh) | 2016-08-31 |
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