JP5848019B2 - 半径方向冷却孔を有するタービンバケット - Google Patents
半径方向冷却孔を有するタービンバケット Download PDFInfo
- Publication number
- JP5848019B2 JP5848019B2 JP2011084135A JP2011084135A JP5848019B2 JP 5848019 B2 JP5848019 B2 JP 5848019B2 JP 2011084135 A JP2011084135 A JP 2011084135A JP 2011084135 A JP2011084135 A JP 2011084135A JP 5848019 B2 JP5848019 B2 JP 5848019B2
- Authority
- JP
- Japan
- Prior art keywords
- cooling holes
- shank
- turbine bucket
- cooling
- airfoil blade
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001816 cooling Methods 0.000 title claims description 82
- 239000003507 refrigerant Substances 0.000 claims description 21
- 238000012546 transfer Methods 0.000 description 10
- 239000012530 fluid Substances 0.000 description 8
- 238000004891 communication Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001788 irregular Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction 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
- F01D5/18—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
- F01D5/02—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
- 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
- F05D2230/00—Manufacture
- F05D2230/10—Manufacture by removing material
- F05D2230/11—Manufacture by removing material by electrochemical methods
-
- 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)
- Turbine Rotor Nozzle Sealing (AREA)
Description
20 シャンク
21 シャンク本体
22 流路
23 プラットフォーム
40 エーロフォイルブレード
41 エーロフォイル本体
42 冷却孔
43 固体部分
44 正圧面
45 負圧面
46 前縁
47 後縁
48 反り曲線
50 長軸
51 短軸
60 非円形の断面形状
70 壁
71 側壁
80 タービュレータ
81 第1の構成
82 第2の構成
83 第3の構成
90、91、92 群
Claims (10)
- ロータと相互接続可能であり、冷媒を内部に収容するように形成されたシャンク(20)と、
前記シャンク(20)の半径方向外側部分に結合されたエーロフォイルブレード(40)であって、反対側の前縁(46)と後縁(47)との間に延びる反対側の正圧面(44)および負圧面(45)を有する本体(41)を含むエーロフォイルブレード(40)と
を備え、
前記本体が、実質的に半径方向に延びる冷却孔(42)を内部に画定するように形成され、前記冷却孔(42)が、前記本体(41)から熱を除去するために前記シャンク(20)内に収容された前記冷媒を単独で受容するように配設され、
前記複数の冷却孔(42)が、それぞれが単一または複数の冷却孔(42)を含む複数の群(90−92)に配置され、
前記複数の群(90−92)が、
前記本体(41)の予め規定された半径方向位置で、実質的に円形の断面形状(91)を有する複数の冷却孔(42)と、
前記正圧面(44)および前記負圧面(45)のプロファイルと実質的に平行なプロファイルを有する細長い側壁(71)を持ち、前記本体(41)の予め規定された半径方向位置で、実質的に非円形の断面形状(60)を有する複数の冷却孔(42)とを備え、
前記複数の群(90−92)の1つ(90)が、前記エーロフォイルブレード(40)の後縁(47)の近傍に配置され、その群(90)の中で異なる寸法を有し、互いに類似した形状を有する複数の冷却孔(42)を備える、タービンバケット(10)。 - ロータと相互接続可能であり、冷媒を内部に収容するように形成されたシャンク(20)と、
前記シャンク(20)の半径方向外側部分に結合されたエーロフォイルブレード(40)であって、実質的に半径方向に延びる複数の冷却孔(42)を内部に画定するように形成された本体(41)を含み、前記複数の冷却孔(42)がそれぞれ、前記本体(41)から熱を除去するために前記シャンク(20)内に収容された前記冷媒を単独かつ独立して受容するように配設された、エーロフォイルブレード(40)と
を備え、
前記複数の冷却孔(42)が、それぞれが単一または複数の冷却孔(42)を含む複数の群(90−92)に配置され、
前記複数の群(90−92)が、
前記本体(41)の予め規定された半径方向位置で、実質的に円形の断面形状(91)を有する複数の冷却孔(42)と、
前記本体(41)の予め規定された半径方向位置で半径方向位置で、実質的に非円形の断面形状(60)を有する複数の冷却孔(42)とを備え、
前記複数の群(90−92)の1つ(90)が、前記エーロフォイルブレード(40)の後縁(47)の近傍に配置され、その群(90)の中で異なる寸法を有し、互いに類似した形状を有する複数の冷却孔(42)を備える、タービンバケット(10)。 - ロータと相互接続可能であり、冷媒を内部に収容するように形成されたシャンク(20)と、
前記シャンク(20)の半径方向外側部分に結合されたエーロフォイルブレード(40)であって、実質的に半径方向に延びる複数の冷却孔(42)を内部に画定するように形成された本体(41)を含み、前記複数の冷却孔(42)の各々が、前記本体(41)から熱を除去するために前記シャンク(20)内に収容された前記冷媒を単独で受容するように配設された、エーロフォイルブレード(40)と
を備え、
前記複数の冷却孔(42)の内のサブセットが、前記エーロフォイルブレード(40)の後縁(47)の近傍に配置され、前記本体(41)の予め規定された半径方向位置で、実質的に非円形の断面形状(60)を有するようにさらに画定される複数の異なる寸法の冷却孔(42)を備え、
前記複数の冷却孔(42)の内の他のサブセットが、前記エーロフォイルブレード(40)の前縁(46)の近傍に配置され、前記本体(41)の予め規定された半径方向位置で、実質的に円形の断面形状(91)を有する複数の冷却孔(42)を備える、タービンバケット(10)。 - 前記シャンク(20)が、機械加工された冷却流路が内部を貫通して延びるシャンク本体(21)を備える、請求項1乃至3のいずれかに記載のタービンバケット(10)。
- 前記シャンク(20)が、キャビティが内部に画定されたシャンク本体(21)を備える、請求項1乃至4のいずれかに記載のタービンバケット(10)。
- 予め規定された軸を中心に対称形、および非対称形の一方である冷却孔(42)を含む、請求項1乃至5のいずれかに記載のタービンバケット(10)。
- 予め規定された軸を中心に非対称形である冷却孔(42)を含む、請求項1乃至6のいずれかに記載のタービンバケット(10)。
- 前記冷却孔内に配置されたタービュレータ(80)をさらに備える、請求項1乃至7のいずれかに記載のタービンバケット(10)。
- 前記タービュレータ(80)が、1つの冷却孔に複数配置される、請求項8に記載のタービンバケット(10)。
- 請求項1乃至7のいずれかに記載のタービンバケット(10)を含むタービンエンジン。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/758,320 | 2010-04-12 | ||
US12/758,320 US8727724B2 (en) | 2010-04-12 | 2010-04-12 | Turbine bucket having a radial cooling hole |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011220337A JP2011220337A (ja) | 2011-11-04 |
JP5848019B2 true JP5848019B2 (ja) | 2016-01-27 |
Family
ID=44012609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011084135A Active JP5848019B2 (ja) | 2010-04-12 | 2011-04-06 | 半径方向冷却孔を有するタービンバケット |
Country Status (4)
Country | Link |
---|---|
US (1) | US8727724B2 (ja) |
EP (1) | EP2374998B1 (ja) |
JP (1) | JP5848019B2 (ja) |
CN (1) | CN102213109B (ja) |
Families Citing this family (19)
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US8727724B2 (en) * | 2010-04-12 | 2014-05-20 | General Electric Company | Turbine bucket having a radial cooling hole |
US20140161625A1 (en) * | 2012-12-11 | 2014-06-12 | General Electric Company | Turbine component having cooling passages with varying diameter |
US9528380B2 (en) | 2013-12-18 | 2016-12-27 | General Electric Company | Turbine bucket and method for cooling a turbine bucket of a gas turbine engine |
US9810072B2 (en) * | 2014-05-28 | 2017-11-07 | General Electric Company | Rotor blade cooling |
EP3209450A1 (en) * | 2014-10-24 | 2017-08-30 | Siemens Aktiengesellschaft | Electrochemical machining inner contours of gas turbine engine components |
US10150158B2 (en) * | 2015-12-17 | 2018-12-11 | General Electric Company | Method and assembly for forming components having internal passages using a jacketed core |
US10099276B2 (en) | 2015-12-17 | 2018-10-16 | General Electric Company | Method and assembly for forming components having an internal passage defined therein |
US9579714B1 (en) | 2015-12-17 | 2017-02-28 | General Electric Company | Method and assembly for forming components having internal passages using a lattice structure |
US10099284B2 (en) | 2015-12-17 | 2018-10-16 | General Electric Company | Method and assembly for forming components having a catalyzed internal passage defined therein |
US10137499B2 (en) | 2015-12-17 | 2018-11-27 | General Electric Company | Method and assembly for forming components having an internal passage defined therein |
US10046389B2 (en) | 2015-12-17 | 2018-08-14 | General Electric Company | Method and assembly for forming components having internal passages using a jacketed core |
US10118217B2 (en) | 2015-12-17 | 2018-11-06 | General Electric Company | Method and assembly for forming components having internal passages using a jacketed core |
US9968991B2 (en) | 2015-12-17 | 2018-05-15 | General Electric Company | Method and assembly for forming components having internal passages using a lattice structure |
US9987677B2 (en) | 2015-12-17 | 2018-06-05 | General Electric Company | Method and assembly for forming components having internal passages using a jacketed core |
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US10286450B2 (en) | 2016-04-27 | 2019-05-14 | General Electric Company | Method and assembly for forming components using a jacketed core |
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-
2010
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-
2011
- 2011-04-06 JP JP2011084135A patent/JP5848019B2/ja active Active
- 2011-04-08 EP EP11161671.0A patent/EP2374998B1/en active Active
- 2011-04-12 CN CN201110099779.3A patent/CN102213109B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN102213109A (zh) | 2011-10-12 |
EP2374998B1 (en) | 2019-09-25 |
EP2374998A2 (en) | 2011-10-12 |
CN102213109B (zh) | 2015-08-19 |
EP2374998A3 (en) | 2013-07-10 |
US20110250078A1 (en) | 2011-10-13 |
US8727724B2 (en) | 2014-05-20 |
JP2011220337A (ja) | 2011-11-04 |
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