JP2016138551A - ホイールスペースパージ用空気の制御のためのタービンバケット - Google Patents
ホイールスペースパージ用空気の制御のためのタービンバケット Download PDFInfo
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- JP2016138551A JP2016138551A JP2016005703A JP2016005703A JP2016138551A JP 2016138551 A JP2016138551 A JP 2016138551A JP 2016005703 A JP2016005703 A JP 2016005703A JP 2016005703 A JP2016005703 A JP 2016005703A JP 2016138551 A JP2016138551 A JP 2016138551A
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- platform
- turbine bucket
- lip
- airfoil
- turbine
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- 238000010926 purge Methods 0.000 title claims abstract description 43
- 241000879887 Cyrtopleura costata Species 0.000 claims description 22
- 239000007789 gas Substances 0.000 description 33
- 230000000903 blocking effect Effects 0.000 description 6
- 239000011800 void material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 241000725175 Caladium bicolor Species 0.000 description 1
- 235000015966 Pleurocybella porrigens Nutrition 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 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
- F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow 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
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor
-
- 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
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/005—Sealing means between non relatively rotating elements
- F01D11/006—Sealing the gap between rotor blades or blades and rotor
-
- 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
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/08—Heating, heat-insulating or cooling means
-
- 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
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/08—Heating, heat-insulating or cooling means
- F01D5/081—Cooling fluid being directed on the side of the rotor disc or at the roots of the 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
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/08—Heating, heat-insulating or cooling means
- F01D5/081—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades
- F01D5/082—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades on the side of the rotor disc
-
- 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
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/08—Heating, heat-insulating or cooling means
- F01D5/085—Heating, heat-insulating or cooling means cooling fluid circulating inside the rotor
-
- 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
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/08—Heating, heat-insulating or cooling means
- F01D5/085—Heating, heat-insulating or cooling means cooling fluid circulating inside the rotor
- F01D5/087—Heating, heat-insulating or cooling means cooling fluid circulating inside the rotor in the radial passages of the rotor disc
-
- 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
-
- 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
- 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
-
- 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
- F05D2240/55—Seals
-
- 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
-
- 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
- F05D2250/12—Two-dimensional rectangular
-
- 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
- F05D2250/14—Two-dimensional elliptical
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
図14は、典型的なタービンバケットにおけるパージ用空気流の概略図を示す。パージ用空気80は、領域82に集結し、より高い渦流速度を有し、漏出するパージ用空気84の相当量が高温ガス流路28に入るように示される。領域82において、面62の近くで、より高い渦流速度を有するパージ用空気80が集結すると、高温ガス95をホイールスペース26に侵入させてしまう。
[実施態様1]
プラットフォーム部と、
上記プラットフォーム部から半径方向外向きに延びる翼形部と、
上記プラットフォーム部から軸方向に延びるプラットフォームリップと、
上記プラットフォームリップの表面に沿って配置された複数の空隙と、
を備えるタービンバケット。
[実施態様2]
上記プラットフォーム部から半径方向内向きに延びるシャンク部と、
上記シャンク部の面から軸方向に延びる少なくとも1つのエンゼルウイングと、
をさらに含む、実施態様1に記載のタービンバケット。
[実施態様3]
運転状態において、上記複数の空隙は、上記プラットフォームリップと上記少なくとも1つのエンゼルウイングとの間でパージ用空気の渦流速度を変化させるように適合される、実施態様2に記載のタービンバケット。
[実施態様4]
上記複数の空隙は、上記プラットフォームリップの遠位端に沿って配置される、実施態様1に記載のタービンバケット。
[実施態様5]
上記プラットフォームリップの上記遠位端は、上記翼形部に向かって角度がつけられる、実施態様4に記載のタービンバケット
[実施態様6]
上記複数の空隙のうち少なくとも1つは、軸方向に角度がつけられる、実施態様1に記載のタービンバケット。
[実施態様7]
上記複数の空隙は、上記プラットフォームリップの上記表面に沿って不規則に配置される、実施態様1に記載のタービンバケット。
[実施態様8]
上記複数の空隙は、上記翼形部のリーディング面に近いほど集中する、実施態様1に記載のタービンバケット。
[実施態様9]
上記複数の空隙は、上記翼形部のトレーリング面に近いほど集中する、実施態様1に記載のタービンバケット。
[実施態様10]
上記複数の空隙の各々は、長方形の断面形状を有する、実施態様1に記載のタービンバケット。
[実施態様11]
上記複数の空隙の各々は、台形の断面形状を有する、実施態様1に記載のタービンバケット。
[実施態様12]
プラットフォーム部と、
上記プラットフォーム部から半径方向外向きに延びる翼形部と、
上記プラットフォーム部から軸方向に延びるプラットフォームリップと、
上記プラットフォームリップの表面に沿って配置され、各々が上記プラットフォームリップの本体を通って半径方向に延びる複数の空隙と、
を備えるタービンバケット。
[実施態様13]
上記プラットフォーム部から半径方向内向きに延びるシャンク部と、
上記シャンク部の面から軸方向に延びる少なくとも1つのエンゼルウイングと、
をさらに含む、実施態様12に記載のタービンバケット。
[実施態様14]
運転状態において、上記複数の空隙は、上記プラットフォームリップと上記少なくとも1つのエンゼルウイングとの間でパージ用空気の渦流速度を変化させるように適合される、実施態様13に記載のタービンバケット。
[実施態様15]
上記複数の空隙は、上記プラットフォームリップの長さに沿って不規則に配置される、実施態様12に記載のタービンバケット。
[実施態様16]
上記複数の空隙は、上記翼形部のリーディング面に近いほど集中する、実施態様15に記載のタービンバケット。
[実施態様17]
上記複数の空隙は、上記翼形部のトレーリング面に近いほど集中する、実施態様15に記載のタービンバケット。
[実施態様18]
上記複数の空隙の各々は、長方形の断面形状を有する、実施態様12に記載のタービンバケット。
[実施態様19]
上記複数の空隙の各々は、卵形の断面形状を有する、実施態様12に記載のタービンバケット。
[実施態様20]
上記複数の空隙の各々は、異なるサイズの空隙を含む、実施態様12に記載のタービンバケット。
20 第1段ノズル
22 第2段ノズル
26 ホイールスペース
28 流路
30 ノズル表面
32 阻止部材
40 最終段バケット(LSB)
42 プラットフォーム
44 プラットフォームリップ
45 アーチ形面
46 本体
48 遠位端
50 翼形部
52 前縁
54 後縁
60 シャンク部
62 面
70 エンゼルウイング
72 エンゼルウイングシール
74 エンゼルウイングシール
80 パージ用空気
82 領域
83 領域
95 高温ガス
110 空隙
195 高温ガス
210 空隙
310 空隙
410 空隙
510 空隙
610 長方形の空隙
710 菱形の空隙
850 ディフューザ
860 ディフューザ入口平面
870 ストラット
910 空隙
940 蒸気タービンバケット
944 プラットフォームリップ
950 翼形部
960 シャンク
990 ディスク
Claims (10)
- プラットフォーム部(42)と、
前記プラットフォーム部(42)から半径方向外向きに延びる翼形部(50)と、
前記プラットフォーム部(42)から軸方向に延びるプラットフォームリップ(44)と、
前記プラットフォームリップ(44)の表面に沿って配置された複数の空隙(110)と、
を備えるタービンバケット(40)。 - 前記プラットフォーム部(42)から半径方向内向きに延びるシャンク部(60)と、
前記シャンク部(60)の面(62)から軸方向に延びる少なくとも1つのエンゼルウイング(70)と、
をさらに含む、請求項1に記載のタービンバケット。 - 運転状態において、前記複数の空隙(110)は、前記プラットフォームリップ(44)と前記少なくとも1つのエンゼルウイング(70)との間でパージ用空気の渦流速度を変化させるように適合される、請求項2に記載のタービンバケット。
- 前記複数の空隙(110)は、前記プラットフォームリップ(44)の遠位端に沿って配置される、請求項1に記載のタービンバケット。
- 前記プラットフォームリップ(44)の前記遠位端は、前記翼形部(50)に向かって角度がつけられる、請求項4に記載のタービンバケット
- 前記複数の空隙(110)のうち少なくとも1つは、軸方向に角度がつけられる、請求項1に記載のタービンバケット。
- 前記複数の空隙(110)は、前記プラットフォームリップ(44)の前記表面に沿って不規則に配置される、請求項1に記載のタービンバケット。
- 前記複数の空隙(110)は、前記翼形部(50)のリーディング面に近いほど集中する、請求項1に記載のタービンバケット。
- 前記複数の空隙(110)は、前記翼形部(50)のトレーリング面に近いほど集中する、請求項1に記載のタービンバケット。
- 前記複数の空隙(110)の各々は、長方形の断面形状及び台形の断面形状から成るグループから選択される、請求項1に記載のタービンバケット。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/603,321 | 2015-01-22 | ||
US14/603,321 US10590774B2 (en) | 2015-01-22 | 2015-01-22 | Turbine bucket for control of wheelspace purge air |
Publications (2)
Publication Number | Publication Date |
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JP2016138551A true JP2016138551A (ja) | 2016-08-04 |
JP6749762B2 JP6749762B2 (ja) | 2020-09-02 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2016005703A Active JP6749762B2 (ja) | 2015-01-22 | 2016-01-15 | ホイールスペースパージ用空気の制御のためのタービンバケット |
Country Status (4)
Country | Link |
---|---|
US (1) | US10590774B2 (ja) |
EP (1) | EP3048251B1 (ja) |
JP (1) | JP6749762B2 (ja) |
CN (1) | CN105822352B (ja) |
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JP2020133432A (ja) * | 2019-02-14 | 2020-08-31 | 三菱重工コンプレッサ株式会社 | タービン翼及び蒸気タービン |
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US10683765B2 (en) * | 2017-02-14 | 2020-06-16 | General Electric Company | Turbine blades having shank features and methods of fabricating the same |
US10753212B2 (en) * | 2017-08-23 | 2020-08-25 | Doosan Heavy Industries & Construction Co., Ltd | Turbine blade, turbine, and gas turbine having the same |
KR102000281B1 (ko) * | 2017-10-11 | 2019-07-15 | 두산중공업 주식회사 | 압축기 및 이를 포함하는 가스 터빈 |
DE102018207873A1 (de) * | 2018-05-18 | 2019-11-21 | MTU Aero Engines AG | Laufschaufel für eine Strömungsmaschine |
GB202004925D0 (en) * | 2020-02-13 | 2020-05-20 | Rolls Royce Plc | Aerofoil assembly and method |
IT202000013609A1 (it) * | 2020-06-08 | 2021-12-08 | Ge Avio Srl | Componente di un motore a turbina con un insieme di deflettori |
IT202000018631A1 (it) * | 2020-07-30 | 2022-01-30 | Ge Avio Srl | Pale di turbina comprendenti elementi di aero-freno e metodi per il loro uso. |
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2016
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- 2016-01-21 EP EP16152212.3A patent/EP3048251B1/en active Active
- 2016-01-22 CN CN201610042591.8A patent/CN105822352B/zh active Active
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JP2020133432A (ja) * | 2019-02-14 | 2020-08-31 | 三菱重工コンプレッサ株式会社 | タービン翼及び蒸気タービン |
JP7246959B2 (ja) | 2019-02-14 | 2023-03-28 | 三菱重工コンプレッサ株式会社 | タービン翼及び蒸気タービン |
US11814981B2 (en) | 2019-02-14 | 2023-11-14 | Mitsubishi Heavy Industries Compressor Corporation | Turbine blade and steam turbine |
Also Published As
Publication number | Publication date |
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CN105822352A (zh) | 2016-08-03 |
CN105822352B (zh) | 2020-06-09 |
EP3048251B1 (en) | 2024-10-30 |
EP3048251A1 (en) | 2016-07-27 |
JP6749762B2 (ja) | 2020-09-02 |
US10590774B2 (en) | 2020-03-17 |
US20160215626A1 (en) | 2016-07-28 |
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