JP6602957B2 - 流れ押退け特徴を備える内部で冷却されるタービン翼 - Google Patents
流れ押退け特徴を備える内部で冷却されるタービン翼 Download PDFInfo
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- JP6602957B2 JP6602957B2 JP2018510947A JP2018510947A JP6602957B2 JP 6602957 B2 JP6602957 B2 JP 6602957B2 JP 2018510947 A JP2018510947 A JP 2018510947A JP 2018510947 A JP2018510947 A JP 2018510947A JP 6602957 B2 JP6602957 B2 JP 6602957B2
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- 238000006073 displacement reaction Methods 0.000 title claims description 34
- 238000001816 cooling Methods 0.000 claims description 88
- 239000012809 cooling fluid Substances 0.000 claims description 19
- 238000005192 partition Methods 0.000 claims description 18
- 239000002826 coolant Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000567 combustion gas Substances 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- 238000010146 3D printing Methods 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000930 thermomechanical effect Effects 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
- 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
- F01D5/187—Convection cooling
- F01D5/188—Convection cooling with an insert in the blade cavity to guide the cooling fluid, e.g. forming a separation wall
-
- 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
- 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
- F05D2250/00—Geometry
- F05D2250/10—Two-dimensional
- F05D2250/18—Two-dimensional patterned
- F05D2250/185—Two-dimensional patterned serpentine-like
-
- 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
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)
Description
Claims (9)
- 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(16)および負圧面(18)を有し、前記正圧面(16)と前記負圧面(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(16)と前記負圧面(18)とを接続する、前記翼弦軸線(30)に沿って離間した、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)の間の空間を占めるように配置され、半径方向に沿って長さ方向に延びる細長い本体(28)と、半径方向範囲に沿って前記本体(28)を前記正圧面(16)および前記負圧面(18)にそれぞれ接続する一対のコネクタリブ(32,34)とを有する流れ押退け要素(26)であって、対称的に対向した流れ横断面を有する一対の隣接する半径方向流路(43−44,45−46)が、前記流れ押退け要素(26)の翼弦方向で互いに反対の側に画成されている、流れ押退け要素(26)と、
を備え、
前記一対の隣接する半径方向流路(43−44,45−46)は、冷却流体を互いに反対の半径方向へ導き、前記流れ押退け要素(26)と前記翼ボディ(12)の半径方向端面(52)との間で前記内部(11)に画成された翼弦方向流路(50a,50b)を介して直列に流体接続され、蛇行した冷却経路(60a,60b)を形成しており、
前記本体(28)は、中空であり、前記外壁(14)から隔離されかつ半径方向に第1の端部(36)から第2の端部(38)まで延びる非活動キャビティ(T1,T2)を画成しており、前記翼弦方向流路(50a,50c)を形成する間隙(51)を画成するように、前記第2の端部(38)で前記翼ボディ(12)の前記半径方向端面(52)に到達せずに終わっている、タービン翼(10)。 - 前記非活動キャビティ(T1,T2)は、前記第1の端部(36)で閉鎖されている、請求項1記載のタービン翼(10)。
- 前記半径方向端面は、半径方向外側の翼先端(52)を有し、前記非活動キャビティ(T1,T2)の前記第1の端部(36)は、前記タービン翼(10)の根元部(56)に配置されている、請求項1または2記載のタービン翼(10)。
- 各半径方向流路(43−44,45−46)は、前記本体(28)と、前記正圧面(16)および前記負圧面(18)のそれぞれとの間に画成された壁近傍冷却経路(72,74)と、該壁近傍冷却経路(72,74)を接続する中央冷却チャネル(76)とによって形成されており、該中央冷却チャネル(76)は、前記本体(28)と、前記隣接する隔壁(24)のそれぞれ1つとの間に画成されている、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)。
- 前記各半径方向流路(43−44,45−46)は、それぞれの前記壁近傍冷却経路(72,74)とそれぞれの前記中央冷却チャネル(76)とによって画成されたC字形の流れ横断面を有する、請求項4記載のタービン翼(10)。
- 前記壁近傍冷却経路(72,74)は、前記翼弦軸線(30)の互いに反対の側に配置されている、請求項4または5記載のタービン翼(10)。
- 前記壁近傍冷却経路(72,74)のうちの1つまたは複数は、前記翼弦軸線(30)に対して略平行な延在した寸法を有し、前記中央冷却チャネル(76)は、前記翼弦軸線(30)に対して略垂直な延在した寸法を有する、請求項4から6までのいずれか1項記載のタービン翼(10)。
- 前記本体(28)は、
前記正圧面(16)および前記負圧面(18)にそれぞれ面した、互いに反対側の第1の側壁(82)および第2の側壁(84)と、
前記第1の側壁(82)と前記第2の側壁(84)との間に延びる前方端壁(86)および後方端壁(88)と、を有し、
前記蛇行した冷却経路(60a,60b)内の流れは、前記端壁(86,88)に沿って進む、請求項1から7までのいずれか1項記載のタービン翼(10)。 - 互いに反対側の前記第1の側壁(82)および前記第2の側壁(84)は、それぞれ前記正圧面(16)および前記負圧面(18)に対して略平行である、請求項8記載のタービン翼(10)。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2015/047332 WO2017039571A1 (en) | 2015-08-28 | 2015-08-28 | Internally cooled turbine airfoil with flow displacement feature |
Publications (2)
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JP2018529046A JP2018529046A (ja) | 2018-10-04 |
JP6602957B2 true JP6602957B2 (ja) | 2019-11-06 |
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JP2018510947A Active JP6602957B2 (ja) | 2015-08-28 | 2015-08-28 | 流れ押退け特徴を備える内部で冷却されるタービン翼 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10494931B2 (ja) |
EP (1) | EP3341567B1 (ja) |
JP (1) | JP6602957B2 (ja) |
CN (1) | CN108026775B (ja) |
WO (1) | WO2017039571A1 (ja) |
Families Citing this family (11)
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WO2017039571A1 (en) * | 2015-08-28 | 2017-03-09 | Siemens Aktiengesellschaft | Internally cooled turbine airfoil with flow displacement feature |
US11174736B2 (en) * | 2018-12-18 | 2021-11-16 | General Electric Company | Method of forming an additively manufactured component |
FR3094034B1 (fr) * | 2019-03-20 | 2021-03-19 | Safran Aircraft Engines | Chemise tubulaire de ventilation pour un distributeur de turbomachine |
EP3969727B1 (en) * | 2019-06-28 | 2024-05-29 | Siemens Energy Global GmbH & Co. KG | Turbine airfoil incorporating modal frequency response tuning |
US11480059B2 (en) * | 2019-08-20 | 2022-10-25 | Raytheon Technologies Corporation | Airfoil with rib having connector arms |
US11286793B2 (en) | 2019-08-20 | 2022-03-29 | Raytheon Technologies Corporation | Airfoil with ribs having connector arms and apertures defining a cooling circuit |
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-
2015
- 2015-08-28 WO PCT/US2015/047332 patent/WO2017039571A1/en active Application Filing
- 2015-08-28 EP EP15760030.5A patent/EP3341567B1/en active Active
- 2015-08-28 CN CN201580082716.3A patent/CN108026775B/zh active Active
- 2015-08-28 JP JP2018510947A patent/JP6602957B2/ja active Active
- 2015-08-28 US US15/750,310 patent/US10494931B2/en active Active
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US10494931B2 (en) | 2019-12-03 |
US20180238176A1 (en) | 2018-08-23 |
CN108026775B (zh) | 2020-03-13 |
EP3341567B1 (en) | 2019-06-05 |
EP3341567A1 (en) | 2018-07-04 |
CN108026775A (zh) | 2018-05-11 |
JP2018529046A (ja) | 2018-10-04 |
WO2017039571A1 (en) | 2017-03-09 |
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