JP6612011B2 - タービン羽根を冷却するためのシステム及び方法 - Google Patents
タービン羽根を冷却するためのシステム及び方法 Download PDFInfo
- Publication number
- JP6612011B2 JP6612011B2 JP2012281917A JP2012281917A JP6612011B2 JP 6612011 B2 JP6612011 B2 JP 6612011B2 JP 2012281917 A JP2012281917 A JP 2012281917A JP 2012281917 A JP2012281917 A JP 2012281917A JP 6612011 B2 JP6612011 B2 JP 6612011B2
- Authority
- JP
- Japan
- Prior art keywords
- cooling
- tapered portion
- turbine blade
- trailing edge
- turbine
- 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 108
- 238000000034 method Methods 0.000 title claims description 10
- 239000002826 coolant Substances 0.000 claims description 27
- 239000000919 ceramic Substances 0.000 claims description 13
- 238000005303 weighing Methods 0.000 claims description 13
- 230000007423 decrease Effects 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 description 24
- 239000007789 gas Substances 0.000 description 12
- 239000000446 fuel Substances 0.000 description 10
- 239000000567 combustion gas Substances 0.000 description 8
- 238000005266 casting Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000003786 synthesis 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
- F01D5/12—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
-
- 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
- F05D2230/00—Manufacture
- F05D2230/20—Manufacture essentially without removing material
- F05D2230/21—Manufacture essentially without removing material by casting
-
- 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
- F05D2240/304—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the trailing edge of a rotor blade
-
- 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
- F05D2250/13—Two-dimensional trapezoidal
- F05D2250/131—Two-dimensional trapezoidal polygonal
-
- 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
- F05D2250/30—Arrangement of components
- F05D2250/32—Arrangement of components according to their shape
- F05D2250/323—Arrangement of components according to their shape convergent
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
「 本明細書は、最良の実施形態を含めて、本発明を開示するために、また当業者が任意の装置又はシステムを作成し使用し、任意の採用した方法を遂行すること含めて、本発明を実施できるようにするために、幾つかの例を使用した。本発明の特許可能な範囲は「特許請求の範囲」の記載に定めており、また当業者に考えられる他の例を含み得る。このような他の例は、それらが「特許請求の範囲」の文字通りの記載から実質的に差異のない構造的要素を持つ場合、或いはそれらが「特許請求の範囲」の文字通りの記載から実質的に差異のない等価な構造的要素を含む場合、特許請求の範囲内にあるものとする。
12 圧縮機
18 タービン
20 燃焼ガス
22 タービン羽根
24 回転子
25 回転軸
28 圧縮機羽根
30 加圧空気
31 負荷
32 軸方向
34 半径方向
36 円周方向
50 羽根先端部
52 羽根根元部
54 羽根先端面
58 前縁
60 後縁
62 ガス
64 正圧面
66 負圧面
67 翼弦線
68 冷却スロット出口
70 冷却空洞
76 縦軸
78 横軸
80 冷却スロット
82 流れ方向を表す矢印
84 中線
88 先細部分
90 計量部分
92 末広部分
93 上流側
94 上流側幅
95 下流側
96 下流側幅
98 計量部分幅
100 拡大部分幅
102 冷却スロット開口幅
104 先細部分長さ
106 計量部分長さ
108 拡大部分長さ
120 上流側高さ
122 下流側高さ
124 計量部分高さ
126 拡大部分高さ
128 開口高さ
150 コア
152 本体部分
154 延長部
156 空間
158 端部
160 先細部分
162 上流側高さ
164 下流流側高さ
166 延長部基部
Claims (2)
- セラミック製のタービン羽根用コアを形成する段階と、
前記コアを内部に持つ鋳型を形成する段階と、
前縁及び後縁で一緒に結合された正圧面及び負圧面を持つタービン羽根を、前記コアと前記鋳型との間で鋳造する段階と、
を含む方法であって、
前記タービン羽根は、冷却空洞からの冷却剤を、流れ方向に前記後縁を通過させるように構成された複数の冷却スロットを含んでおり、
前記複数の冷却スロットの各々が、
前記流れ方向に減少する第1の断面積を持つ先細部分と、
前記先細部分に結合された計量部分と、
前記後縁に沿って配置された出口と
を含み、
前記冷却スロットが、
(i)前記先細部分の下流のみに配置された単一の計量部分であって前記流れ方向にほぼ一定の第2の断面積を持つ単一の計量部分を有し、かつ
(ii)前記冷却スロットの前記出口が正圧面と負圧面の間の中線上の後縁に沿って配置され、前記正圧面と前記負圧面の間に横軸方向の末広部分を含んでおり、
前記先細部分は前記流れ方向に第1の長さを持ち、前記末広部分が前記流れ方向に第3の長さを持ち、前記第3の長さが前記第1の長さよりも短く、
前記コアが、
前記冷却空洞に対応する本体部分と、
前記冷却スロットの前記先細部分に対応する延長部と、
を備え、
前記延長部の端部は、前記冷却スロットの前記先細部分の最も狭い端部に対応し、
前記計量部分と前記末広部分が、切削段階により形成される、
方法。 - 前記先細部分の前記第1の断面積は少なくとも2つの次元で減少しており、前記冷却スロットが前記後縁の中線の周りで対称である、請求項1に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/344,530 US9051842B2 (en) | 2012-01-05 | 2012-01-05 | System and method for cooling turbine blades |
US13/344,530 | 2012-01-05 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2013139804A JP2013139804A (ja) | 2013-07-18 |
JP2013139804A5 JP2013139804A5 (ja) | 2016-02-04 |
JP6612011B2 true JP6612011B2 (ja) | 2019-11-27 |
Family
ID=47678524
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012281917A Active JP6612011B2 (ja) | 2012-01-05 | 2012-12-26 | タービン羽根を冷却するためのシステム及び方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9051842B2 (ja) |
EP (1) | EP2612994B1 (ja) |
JP (1) | JP6612011B2 (ja) |
CN (1) | CN103195489B (ja) |
RU (1) | RU2638425C2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9732617B2 (en) | 2013-11-26 | 2017-08-15 | General Electric Company | Cooled airfoil trailing edge and method of cooling the airfoil trailing edge |
US10329916B2 (en) | 2014-05-01 | 2019-06-25 | United Technologies Corporation | Splayed tip features for gas turbine engine airfoil |
US10280763B2 (en) * | 2016-06-08 | 2019-05-07 | Ansaldo Energia Switzerland AG | Airfoil cooling passageways for generating improved protective film |
US10830072B2 (en) * | 2017-07-24 | 2020-11-10 | General Electric Company | Turbomachine airfoil |
US10641106B2 (en) | 2017-11-13 | 2020-05-05 | Honeywell International Inc. | Gas turbine engines with improved airfoil dust removal |
US10815792B2 (en) * | 2019-01-04 | 2020-10-27 | Raytheon Technologies Corporation | Gas turbine engine component with a cooling circuit having a flared base |
Family Cites Families (32)
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JPS59107903U (ja) * | 1983-01-12 | 1984-07-20 | 株式会社日立製作所 | 後縁吹出し冷却翼 |
JPS62101008U (ja) * | 1985-12-17 | 1987-06-27 | ||
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-
2012
- 2012-01-05 US US13/344,530 patent/US9051842B2/en active Active
- 2012-12-21 EP EP12199287.9A patent/EP2612994B1/en active Active
- 2012-12-26 JP JP2012281917A patent/JP6612011B2/ja active Active
- 2012-12-27 RU RU2012158309A patent/RU2638425C2/ru active
-
2013
- 2013-01-04 CN CN201310001201.9A patent/CN103195489B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
RU2638425C2 (ru) | 2017-12-13 |
EP2612994B1 (en) | 2018-11-14 |
US9051842B2 (en) | 2015-06-09 |
RU2012158309A (ru) | 2014-07-10 |
US20130177446A1 (en) | 2013-07-11 |
CN103195489A (zh) | 2013-07-10 |
EP2612994A1 (en) | 2013-07-10 |
JP2013139804A (ja) | 2013-07-18 |
CN103195489B (zh) | 2016-08-17 |
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