JP6407413B2 - ガスタービンエンジン用のタービン翼 - Google Patents
ガスタービンエンジン用のタービン翼 Download PDFInfo
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- JP6407413B2 JP6407413B2 JP2017512669A JP2017512669A JP6407413B2 JP 6407413 B2 JP6407413 B2 JP 6407413B2 JP 2017512669 A JP2017512669 A JP 2017512669A JP 2017512669 A JP2017512669 A JP 2017512669A JP 6407413 B2 JP6407413 B2 JP 6407413B2
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- cooling fluid
- fluid flow
- flow control
- cooling
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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
- F01D9/00—Stators
- F01D9/06—Fluid supply conduits to nozzles or the like
- F01D9/065—Fluid supply or removal conduits traversing the working fluid flow, e.g. for lubrication-, cooling-, or sealing fluids
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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
- F01D5/186—Film cooling
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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
-
- 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
- F01D5/18—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
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- 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
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- 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
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- 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
- F05D2240/122—Fluid guiding means, e.g. vanes related to the trailing edge of a stator vane
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- 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
- F05D2240/127—Vortex generators, turbulators, or the like, for mixing
-
- 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
- F05D2250/183—Two-dimensional patterned zigzag
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- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
Claims (10)
- ガスタービンエンジン用のタービン翼(10)であって、
外壁(24)により形成された全体として細長い中空翼(26)であって、前縁(32)と、後縁(34)と、正圧面(36)と、負圧面(38)と、第1端部(42)における内側端壁(40)と、前記第1端部(42)とは前記全体として細長い中空翼(26)のほぼ反対側の第2端部(46)における外側端壁(44)と、前記全体として細長い中空翼(26)の内側面に位置している冷却システム(14)と、を有している中空翼(26)を備え、
前記冷却システム(14)は、少なくとも1つの弦中央冷却キャビティ(45)を有していて、該冷却キャビティ(45)内には挿入体(18)が位置しており、該挿入体(18)は正圧面壁近傍冷却通路(48)と、負圧面壁近傍冷却通路(50)とを形成しており、
前記全体として細長い中空翼(26)を形成する前記外壁(24)から前記挿入体(18)に向かって複数の冷却流体流制御体(22)が延在しており、該冷却流体流制御体(22)は、翼幅方向に延在する冷却流体流制御体(22)の複数の列の間を前記後縁(34)に向かって下流へと延在する複数の交互のジグザグ通路(52)を形成しており、
冷却流体流を減じる、前記挿入体(18)から前記外壁(24)へと延在する少なくとも1つのバイパス流低減体(30)を有しており、
冷却流体は、前記挿入体(18)の内側チャンバ(106)へと供給され、前記前縁(32)において1つ以上の排出口(104)を通過して排出される、
ことを特徴とする、ガスタービンエンジン用のタービン翼(10)。 - 前記冷却流体流制御体(22)のうちの少なくとも1つは、正圧面(54)によって形成される横断面積を有しており、前記正圧面(54)は負圧面(56)の反対側にあり、前記正圧面(54)と前記負圧面(56)とは、前縁(58)と、該前縁(58)とは前記少なくとも1つの冷却流体流制御体(22)の反対側の端部にある後縁(60)とによって互いに連結されている、請求項1記載のタービン翼(10)。
- 翼幅方向に延在する冷却流体流制御体(22)の第1の列(64)は、複数の冷却流体流制御体(22)を備え、該冷却流体流制御体(22)は、正圧面(54)によって形成される横断面積を有しており、前記正圧面(54)は負圧面(56)の反対側にあり、前記正圧面(54)と前記負圧面(56)とは、前縁(58)と、該前縁(58)とは前記少なくとも1つの冷却流体流制御体(22)の反対側の端部にある後縁(60)とによって互いに連結されており、1つの冷却流体流制御体(22)の正圧面(54)は、隣接する冷却流体流制御体(22)の負圧面(56)に隣接している、請求項2記載のタービン翼(10)。
- 前記翼幅方向に延在する冷却流体流制御体(22)の第1の列(64)内の各冷却流体流制御体(22)は、前記翼幅方向に延在する冷却流体流制御体(22)の第1の列(64)の端部における冷却流体流制御体(22)を除いて、1つの冷却流体流制御体(22)の正圧面(54)が、隣接する冷却流体流制御体(22)の負圧面(56)に隣接するように、同様に位置している、請求項3記載のタービン翼(10)。
- 前記翼幅方向に延在する冷却流体流制御体(22)の第1の列(64)の下流に位置する、翼幅方向に延在する冷却流体流制御体(22)の第2の列(66)をさらに有する、請求項3記載のタービン翼(10)。
- 前記翼幅方向に延在する冷却流体流制御体(22)の第2の列(66)は、前記翼幅方向に延在する冷却流体流制御体(22)の第1の列(64)における前記冷却流体流制御体(22)とは反対側に正圧面(54)を有する少なくとも1つの冷却流体流制御体(22)を有しており、これにより、前記翼幅方向に延在する冷却流体流制御体(22)の第2の列(66)を通って流れる冷却流体は、前記翼幅方向に延在する冷却流体流制御体(22)の第1の列(64)により前記冷却流体に加えられる翼幅方向ベクトル(70)とは反対の翼幅方向ベクトル(68)を伴い下流へと方向付けられる、請求項5記載のタービン翼(10)。
- 前記少なくとも1つの弦中央冷却キャビティ(45)は、該弦中央冷却キャビティ(45)を前縁冷却キャビティ(74)と後縁冷却キャビティ(76)とに分ける少なくとも1つのリブ(72)を有している、請求項5記載のタービン翼(10)。
- 前記負圧面(38)を形成する前記外壁(24)から半径方向内側に向かって前記挿入体(18)へと延在する少なくとも1つのインピンジメントスタンドオフ(77)をさらに有している、請求項5記載のタービン翼(10)。
- 前記複数の冷却流体流制御体(22)は、前記全体として細長い中空翼(26)の前記正圧面(36)を形成する前記外壁(24)から延在している、請求項2記載のタービン翼(10)。
- 前記挿入体(18)は、前記全体として細長い中空翼(26)の前記負圧面(38)に向かって方向付けられた複数のインピンジメント孔(78)を備えている、請求項9記載のタービン翼(10)。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2014/053978 WO2016036367A1 (en) | 2014-09-04 | 2014-09-04 | Internal cooling system with insert forming nearwall cooling channels in midchord cooling cavities of a gas turbine airfoil |
Publications (2)
Publication Number | Publication Date |
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JP2017532482A JP2017532482A (ja) | 2017-11-02 |
JP6407413B2 true JP6407413B2 (ja) | 2018-10-17 |
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Application Number | Title | Priority Date | Filing Date |
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JP2017512669A Expired - Fee Related JP6407413B2 (ja) | 2014-09-04 | 2014-09-04 | ガスタービンエンジン用のタービン翼 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9840930B2 (ja) |
EP (1) | EP3189214A1 (ja) |
JP (1) | JP6407413B2 (ja) |
CN (1) | CN106795771B (ja) |
WO (1) | WO2016036367A1 (ja) |
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US8052378B2 (en) * | 2009-03-18 | 2011-11-08 | General Electric Company | Film-cooling augmentation device and turbine airfoil incorporating the same |
US8348613B2 (en) * | 2009-03-30 | 2013-01-08 | United Technologies Corporation | Airflow influencing airfoil feature array |
KR101239595B1 (ko) | 2009-05-11 | 2013-03-05 | 미츠비시 쥬고교 가부시키가이샤 | 터빈 정익 및 가스 터빈 |
US20110107769A1 (en) | 2009-11-09 | 2011-05-12 | General Electric Company | Impingement insert for a turbomachine injector |
US8500405B1 (en) | 2012-09-20 | 2013-08-06 | Florida Turbine Technologies, Inc. | Industrial stator vane with sequential impingement cooling inserts |
US8936067B2 (en) | 2012-10-23 | 2015-01-20 | Siemens Aktiengesellschaft | Casting core for a cooling arrangement for a gas turbine component |
US9995150B2 (en) * | 2012-10-23 | 2018-06-12 | Siemens Aktiengesellschaft | Cooling configuration for a gas turbine engine airfoil |
US8951004B2 (en) * | 2012-10-23 | 2015-02-10 | Siemens Aktiengesellschaft | Cooling arrangement for a gas turbine component |
US20150198050A1 (en) * | 2014-01-15 | 2015-07-16 | Siemens Energy, Inc. | Internal cooling system with corrugated insert forming nearwall cooling channels for airfoil usable in a gas turbine engine |
-
2014
- 2014-09-04 US US15/505,170 patent/US9840930B2/en not_active Expired - Fee Related
- 2014-09-04 CN CN201480081734.5A patent/CN106795771B/zh not_active Expired - Fee Related
- 2014-09-04 EP EP14766623.4A patent/EP3189214A1/en not_active Withdrawn
- 2014-09-04 WO PCT/US2014/053978 patent/WO2016036367A1/en active Application Filing
- 2014-09-04 JP JP2017512669A patent/JP6407413B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN106795771A (zh) | 2017-05-31 |
US20170268358A1 (en) | 2017-09-21 |
US9840930B2 (en) | 2017-12-12 |
CN106795771B (zh) | 2018-11-30 |
JP2017532482A (ja) | 2017-11-02 |
EP3189214A1 (en) | 2017-07-12 |
WO2016036367A1 (en) | 2016-03-10 |
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