JP6594525B2 - 部分的にシールされた半径方向通路を備える流れ押退け特徴を有するタービン翼 - Google Patents
部分的にシールされた半径方向通路を備える流れ押退け特徴を有するタービン翼 Download PDFInfo
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- JP6594525B2 JP6594525B2 JP2018510936A JP2018510936A JP6594525B2 JP 6594525 B2 JP6594525 B2 JP 6594525B2 JP 2018510936 A JP2018510936 A JP 2018510936A JP 2018510936 A JP2018510936 A JP 2018510936A JP 6594525 B2 JP6594525 B2 JP 6594525B2
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- 238000006073 displacement reaction Methods 0.000 title claims description 26
- 239000012809 cooling fluid Substances 0.000 claims description 30
- 238000005192 partition Methods 0.000 claims description 19
- 238000001816 cooling Methods 0.000 description 48
- 239000002826 coolant Substances 0.000 description 23
- 239000007789 gas Substances 0.000 description 8
- 239000000567 combustion gas Substances 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008646 thermal stress Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000012720 thermal barrier coating Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- 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
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- 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
- 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
-
- 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
- F01D5/189—Convection cooling with an insert in the blade cavity to guide the cooling fluid, e.g. forming a separation wall the insert having a tubular cross-section, e.g. airfoil shape
-
- 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
- F05D2240/10—Stators
- F05D2240/12—Fluid guiding means, e.g. vanes
-
- 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
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/201—Heat transfer, e.g. cooling by impingement of a fluid
-
- 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
- F05D2260/202—Heat transfer, e.g. cooling by 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
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
Claims (10)
- タービン翼(10)であって、
半径方向に沿って翼幅方向に延びる外壁(14)によって形成された略中空の翼ボディ(12)であって、前記外壁(14)は、前縁(20)および後縁(22)で接続された正圧面壁部(16)および負圧面壁部(18)を有し、前記正圧面壁部(16)と前記負圧面壁部(18)との間の略中央に延びる翼弦軸線(30)が規定されている、略中空の翼ボディ(12)と、
前記翼ボディ(12)の内部(11)に配置されかつ前記正圧面壁部(16)と前記負圧面壁部(18)とを接続する複数の半径方向に延びる隔壁(24)であって、前記翼弦軸線(30)に沿って離間している、複数の半径方向に延びる隔壁(24)と、
一対の隣接する前記隔壁(24)の間の空間に配置された流れ押退け要素(26A−26B,26A’−26B’)であって、前記正圧面壁部(16)および前記負圧面壁部(18)から離間しかつ前記隣接する隔壁(24)のうちの一方または両方から離間した、半径方向に延びる延在した本体(28)を有し、該本体(28)と前記正圧面壁部(16)との間に第1の壁近傍通路(72)が画成されており、前記本体(28)と前記負圧面壁部(18)との間に第2の壁近傍通路(74)が画成されており、前記本体(28)と、前記隣接する隔壁(24)のそれぞれとの間に中央チャネル(76)が画成されており、該中央チャネル(76)は、半径方向範囲に沿って前記第1の壁近傍通路(72)および前記第2の壁近傍通路(74)に接続されている、流れ押退け要素(26A−26B,26A’−26B’)と、を備え、
前記本体(28)とそれぞれの前記隣接する隔壁(24)との間で部分的に前記中央チャネル(76)を横切って延びる1つまたは複数の半径方向リブ(64)が、前記中央チャネル(76)に配置されている、
タービン翼(10)。 - 前記1つまたは複数の半径方向リブ(64)のうちの少なくとも1つは、半径方向範囲に沿って前記本体(28)に接続されておりかつそれぞれの前記隣接する隔壁(24)から離間している、請求項1記載のタービン翼(10)。
- 前記1つまたは複数の半径方向リブ(64)のうちの少なくとも1つは、半径方向範囲に沿ってそれぞれの前記隣接する隔壁(24)に接続されておりかつ前記本体(28)から離間している、請求項1または2記載のタービン翼(10)。
- 前記1つまたは複数の半径方向リブ(64)は、前記中央チャネル(76)の長さ方向で離間した複数の半径方向リブ(64)を有し、連続する前記半径方向リブ(64)は、前記本体(28)またはそれぞれの前記隣接する隔壁(24)に交互に接続されており、前記連続する半径方向リブ(64)は、前記中央チャネル(76)の幅方向に沿って部分的に重なり合っている、請求項1から3までのいずれか1項記載のタービン翼(10)。
- 前記1つまたは複数の半径方向リブ(64)は、実質的に前記中央チャネル(76)の半径方向範囲全体に沿って延びている、請求項1から4までのいずれか1項記載のタービン翼(10)。
- 流れ妨害要素(66)が、前記1つまたは複数の半径方向リブ(64)の半径方向端部(92,94)で前記中央チャネル(76)をカバーするように配置されている、請求項1から5までのいずれか1項記載のタービン翼(10)。
- 前記流れ妨害要素(66)は、複数の重なり合う部分(66a,66b)を有し、該複数の重なり合う部分(66a,66b)は、組み合わさって、前記半径方向端部(92,94)で前記中央チャネル(76)の流れ横断面を横切って延びている、請求項6記載のタービン翼(10)。
- 前記流れ妨害要素(66)は、冷却流体流を前記壁近傍通路(72,74)に向かって案内するように、前記翼弦軸線(30)に対して横方向の前記中央チャネル(76)の長さに沿った方向で輪郭付けられている、請求項7記載のタービン翼(10)。
- 前記本体(28)を前記正圧面壁部(16)および前記負圧面壁部(18)にそれぞれ接続する第1のコネクタリブ(32)および第2のコネクタリブ(34)をさらに有し、
前記流れ押退け要素(26A−26B,26A’−26B’)の翼弦方向で反対の側に、一対の隣接する半径方向キャビティ(43−44,45−46)が画成されており、
前記各半径方向キャビティ(43−46)は、それぞれの前記第1の壁近傍通路(72)と、前記第2の壁近傍通路(74)と、それぞれの前記第1の壁近傍通路(72)と前記第2の壁近傍通路(74)とを接続するそれぞれの中央チャネル(76)とによって形成されており、該それぞれの中央チャネル(76)は、該それぞれの中央チャネルに配置された前記1つまたは複数の半径方向リブ(64)のうちの少なくとも1つを有する、請求項1から8までのいずれか1項記載のタービン翼(10)。 - 前記一対の前記隣接する半径方向キャビティ(43−44,45−46)は、前記流れ押退け要素(26A−26B,26A’−26B’)と前記翼ボディ(12)の半径方向端面(52)との間の間隙(50)によって画成された翼弦方向コネクタ通路によって流体接続されている、請求項9記載のタービン翼(10)。
Applications Claiming Priority (1)
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PCT/US2015/047335 WO2017039572A1 (en) | 2015-08-28 | 2015-08-28 | Turbine airfoil having flow displacement feature with partially sealed radial passages |
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JP2018529043A JP2018529043A (ja) | 2018-10-04 |
JP6594525B2 true JP6594525B2 (ja) | 2019-10-23 |
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US (1) | US10533427B2 (ja) |
EP (1) | EP3322880B1 (ja) |
JP (1) | JP6594525B2 (ja) |
CN (1) | CN108026773B (ja) |
WO (1) | WO2017039572A1 (ja) |
Families Citing this family (12)
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FR3021698B1 (fr) * | 2014-05-28 | 2021-07-02 | Snecma | Aube de turbine, comprenant un conduit central de refroidissement isole thermiquement de parois de l'aube par deux cavites laterales jointives en aval du conduit central |
WO2017039571A1 (en) * | 2015-08-28 | 2017-03-09 | Siemens Aktiengesellschaft | Internally cooled turbine airfoil with flow displacement feature |
EP3436669B1 (en) * | 2016-03-31 | 2023-06-07 | Siemens Energy Global GmbH & Co. KG | Turbine airfoil with internal cooling channels having flow splitter feature |
EP3436668B1 (en) * | 2016-03-31 | 2023-06-07 | Siemens Energy Global GmbH & Co. KG | Turbine airfoil with turbulating feature on a cold wall |
US11078844B2 (en) * | 2018-11-21 | 2021-08-03 | Raytheon Technologies Corporation | Thermal gradient reducing device for gas turbine engine component |
US11286793B2 (en) * | 2019-08-20 | 2022-03-29 | Raytheon Technologies Corporation | Airfoil with ribs having connector arms and apertures defining a cooling circuit |
US11480059B2 (en) * | 2019-08-20 | 2022-10-25 | Raytheon Technologies Corporation | Airfoil with rib having connector arms |
EP4269754A3 (en) * | 2019-11-13 | 2024-04-10 | RTX Corporation | Airfoil with ribs defining shaped cooling channel |
US11952911B2 (en) | 2019-11-14 | 2024-04-09 | Rtx Corporation | Airfoil with connecting rib |
US11085374B2 (en) * | 2019-12-03 | 2021-08-10 | General Electric Company | Impingement insert with spring element for hot gas path component |
DE102020106128A1 (de) | 2020-03-06 | 2021-09-09 | Doosan Heavy Industries & Construction Co., Ltd. | Strömungsmaschinenkomponente für eine gasturbine und eine gasturbine, die dieselbe besitzt |
US11852036B1 (en) * | 2023-04-19 | 2023-12-26 | Rtx Corporation | Airfoil skin passageway cooling enhancement |
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2015
- 2015-08-28 JP JP2018510936A patent/JP6594525B2/ja active Active
- 2015-08-28 EP EP15759616.4A patent/EP3322880B1/en active Active
- 2015-08-28 WO PCT/US2015/047335 patent/WO2017039572A1/en active Application Filing
- 2015-08-28 US US15/752,262 patent/US10533427B2/en active Active
- 2015-08-28 CN CN201580082705.5A patent/CN108026773B/zh active Active
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Publication number | Publication date |
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JP2018529043A (ja) | 2018-10-04 |
WO2017039572A1 (en) | 2017-03-09 |
US20190024515A1 (en) | 2019-01-24 |
CN108026773B (zh) | 2020-02-21 |
US10533427B2 (en) | 2020-01-14 |
EP3322880B1 (en) | 2020-04-08 |
CN108026773A (zh) | 2018-05-11 |
EP3322880A1 (en) | 2018-05-23 |
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