JP2017025910A - 固定ブレード用の冷却構造体 - Google Patents
固定ブレード用の冷却構造体 Download PDFInfo
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- JP2017025910A JP2017025910A JP2016135587A JP2016135587A JP2017025910A JP 2017025910 A JP2017025910 A JP 2017025910A JP 2016135587 A JP2016135587 A JP 2016135587A JP 2016135587 A JP2016135587 A JP 2016135587A JP 2017025910 A JP2017025910 A JP 2017025910A
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- chamber
- cooling
- cooling fluid
- passage
- airfoil
- Prior art date
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- 238000001816 cooling Methods 0.000 title claims abstract description 84
- 239000012809 cooling fluid Substances 0.000 claims abstract description 98
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 42
- 239000012530 fluid Substances 0.000 claims description 25
- 238000004891 communication Methods 0.000 claims description 10
- 239000007789 gas Substances 0.000 description 5
- 238000010248 power generation Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002023 wood Substances 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
- 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
-
- 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
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
-
- 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
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
- F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using 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
- F01D5/085—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
- F01D5/12—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
-
- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/08—Cooling; Heating; Heat-insulation
- F01D25/12—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
- 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
- F05D2240/80—Platforms for stationary or moving blades
- F05D2240/81—Cooled platforms
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
【解決手段】固定ブレード用の冷却構造体は、冷却回路(216)を有する翼形部(150)と、翼形部(150)の半径方向端部に結合された端壁(204,205)と、冷却回路(216)から冷却流体を受け取る、端壁(204,205)内のチャンバ(218)とを備え、冷却流体は、端壁(204,205)から熱を吸収し、上流側領域(222)の冷却流体の温度は、下流側領域(224)の冷却流体の温度よりも低く、冷却構造体が更に、端壁(204,205)内で、チャンバ(218)の上流側領域(222)を端壁(204,205)とタービンホイール(122)との間に位置付けられたホイールスペース(208)に流体接続する第1の通路(226)と、端壁(204,205)内で、チャンバ(218)の下流側領域(224)をホイールスペース(208)に流体接続する第2の通路(228)とを備える。
【選択図】 図1
Description
102 圧縮機部分
104 タービンセクション
106 シャフト
108 燃焼器組立体
110 燃焼器
112 ロータホイール
114 第1段圧縮機ロータホイール
116 第1段圧縮機ロータブレード
118 翼形部分
120 タービンロータブレード
122 タービンホイール
124 タービンロータブレード
130 流路
150 翼形部
152 前縁
154 後縁
156 正圧側面
158 負圧側面
200 固定ブレード
204 内側端壁
205 外側端壁
206 タービンダイアフラム
208 ホイールスペース
212 シュラウド
214 シュラウドスペース
216 冷却回路
218 チャンバ
218A 前方チャンバ
218B 後方チャンバ
220 開口
222 上流側領域
224 下流側領域
226 第1の通路
228 第2の通路
230 固定具
232 末端領域
234 第3の通路
Claims (8)
- 固定ブレード(200)用の冷却構造体であって、
冷却回路(216)を有する翼形部(150)と、
ターボ機械(100)の回転軸に対して前記翼形部(150)の半径方向端部に結合された端壁(204,205)と、
前記冷却回路(216)から冷却流体を受け取るため前記端壁(204,205)内に位置付けられ、上流側領域(222)及び下流側領域(224)を含むチャンバ(218)と、
を備え、
前記冷却流体は、前記端壁(204,205)から熱を吸収し、前記上流側領域(222)における前記冷却流体の温度は、前記下流側領域(224)における前記冷却流体の温度よりも低く、
前記冷却構造体が更に、
前記端壁(204,205)内において、前記チャンバ(218)の上流側領域(222)を前記端壁(204,205)とタービンホイール(122)との間に位置付けられたホイールスペース(208)に流体接続し、前記上流側領域(222)における前記冷却流体の第1の部分が通過する第1の通路(226)と、
前記端壁(204,205)内において、前記チャンバ(218)の下流側領域(224)を前記ホイールスペース(208)に流体接続する第2の通路(228)と、
を備え、
前記下流側領域(224)における前記冷却流体の第2の部分が前記第2の通路(228)を通過し、前記冷却流体の残りの部分は、前記ホイールスペース(208)に流入することなく前記第1の通路(226)及び前記第2の通路(228)をバイパスする、冷却構造体。 - 前記端壁(204,205)から前記冷却流体に熱を伝達するため前記チャンバ(218)内に熱伝導性固定具(230)を更に備える、請求項1に記載の冷却構造体。
- 前記第1の通路(226)が、前記熱伝導性固定具(230)の上流側に位置付けられ、前記第2の通路(228)が、前記熱伝導性固定具(230)の下流側に位置付けられる、請求項2に記載の冷却構造体。
- 前記第1の通路(226)が、前記チャンバ(218)の上流側領域(222)を前記ホイールスペース(208)の第1の位置に流体接続し、前記第2の通路(228)が、前記チャンバ(218)の下流側領域(224)を前記ホイールスペース(208)の第2の位置に流体接続する、請求項1に記載の冷却構造体。
- 前記チャンバ(218)の上流側領域(222)が、前記翼形部(150)の前縁(152)に近接して位置付けられ、前記チャンバ(218)の下流側領域(224)が、前記翼形部(150)の後縁(154)に近接して位置付けられる、請求項1に記載の冷却構造体。
- 前記チャンバ(218)が更に、前記端壁(204,205)内に位置付けられた前方チャンバ(218A)及び後方チャンバ(218B)を含み、前記前方チャンバ(218A)が、前記翼形部(150)の前縁(152)に近接して位置付けられ、前記後方チャンバ(218B)が、前記翼形部(150)の後縁(154)に近接して位置付けられ、前記上流側領域(222)が前記前方チャンバ(218A)内に位置付けられ、前記下流側領域(224)が前記後方チャンバ(218B)内に位置付けられる、請求項1に記載の冷却構造体。
- 前記チャンバ(218)を前記ホイールスペース(208)に流体接続する第3の通路を更に備え、前記第3の通路における冷却流体の温度は、前記チャンバ(218)の上流側領域(222)における冷却流体の温度及び前記チャンバ(218)の下流側領域(224)における冷却流体の温度とは異なる、請求項1に記載の冷却構造体。
- 前記翼形部(150)が、前記端壁(204,205)から延びる複数の翼形部(150)を含み、前記翼形部(150)のうちの1つが、前記チャンバ(218)と流体連通した前記冷却回路(216)を含む、請求項1に記載の冷却構造体。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/801,197 US9822653B2 (en) | 2015-07-16 | 2015-07-16 | Cooling structure for stationary blade |
US14/801,197 | 2015-07-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017025910A true JP2017025910A (ja) | 2017-02-02 |
JP6870931B2 JP6870931B2 (ja) | 2021-05-12 |
Family
ID=56890778
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2016135587A Active JP6870931B2 (ja) | 2015-07-16 | 2016-07-08 | 固定ブレード用の冷却構造体 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9822653B2 (ja) |
JP (1) | JP6870931B2 (ja) |
CN (1) | CN106351701B (ja) |
DE (1) | DE102016112282A1 (ja) |
GB (1) | GB2546841B (ja) |
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US10352182B2 (en) * | 2016-05-20 | 2019-07-16 | United Technologies Corporation | Internal cooling of stator vanes |
KR101797370B1 (ko) * | 2016-07-04 | 2017-12-12 | 두산중공업 주식회사 | 가스터빈 블레이드 |
US10830060B2 (en) * | 2016-12-02 | 2020-11-10 | General Electric Company | Engine component with flow enhancer |
US10697313B2 (en) * | 2017-02-01 | 2020-06-30 | General Electric Company | Turbine engine component with an insert |
FR3074521B1 (fr) * | 2017-12-06 | 2019-11-22 | Safran Aircraft Engines | Secteur de distributeur de turbine pour une turbomachine d'aeronef |
US10697307B2 (en) | 2018-01-19 | 2020-06-30 | Raytheon Technologies Corporation | Hybrid cooling schemes for airfoils of gas turbine engines |
KR102158298B1 (ko) * | 2019-02-21 | 2020-09-21 | 두산중공업 주식회사 | 터빈 블레이드, 이를 포함하는 터빈 |
JP2022061204A (ja) * | 2020-10-06 | 2022-04-18 | 三菱重工業株式会社 | ガスタービン静翼 |
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2016
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- 2016-07-08 JP JP2016135587A patent/JP6870931B2/ja active Active
- 2016-07-12 GB GB1612049.5A patent/GB2546841B/en active Active
- 2016-07-15 CN CN201610561916.3A patent/CN106351701B/zh active Active
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JPH0552102A (ja) * | 1991-08-23 | 1993-03-02 | Toshiba Corp | ガスタービン |
JP2005146858A (ja) * | 2003-11-11 | 2005-06-09 | Mitsubishi Heavy Ind Ltd | ガスタービン |
US20100239432A1 (en) * | 2009-03-20 | 2010-09-23 | Siemens Energy, Inc. | Turbine Vane for a Gas Turbine Engine Having Serpentine Cooling Channels Within the Inner Endwall |
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Also Published As
Publication number | Publication date |
---|---|
DE102016112282A1 (de) | 2017-01-19 |
GB2546841B (en) | 2018-10-24 |
US20170016338A1 (en) | 2017-01-19 |
GB2546841A (en) | 2017-08-02 |
GB201612049D0 (en) | 2016-08-24 |
CN106351701A (zh) | 2017-01-25 |
US9822653B2 (en) | 2017-11-21 |
CN106351701B (zh) | 2020-06-16 |
JP6870931B2 (ja) | 2021-05-12 |
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