JP7467416B2 - タービン翼形部のためのハイブリッド楕円-円形後縁 - Google Patents
タービン翼形部のためのハイブリッド楕円-円形後縁 Download PDFInfo
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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
- F01D5/141—Shape, i.e. outer, aerodynamic form
-
- 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
- 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
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/288—Protective coatings for blades
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- 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
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
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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
- F05D2230/00—Manufacture
- F05D2230/20—Manufacture essentially without removing material
- F05D2230/21—Manufacture essentially without removing material by casting
- F05D2230/211—Manufacture essentially without removing material by casting by precision casting, e.g. microfusing or investment 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
- F05D2230/00—Manufacture
- F05D2230/30—Manufacture with deposition of material
-
- 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
- F05D2230/90—Coating; Surface treatment
-
- 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
- F05D2240/20—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
- F05D2240/303—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 leading 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
- 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
- F05D2250/14—Two-dimensional elliptical
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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
- F05D2260/202—Heat transfer, e.g. cooling by film cooling
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
12 圧縮機セクション
14 入口
16 ケーシング
18 燃焼セクション
20 燃焼器
22 タービンセクション
24 ロータシャフト
26 空気
28 圧縮空気
30 高温ガス
32 第1段
34 タービンノズル
36 翼形部/ロータブレード
37 翼形部本体部分
38 タービンケーシング
40 シュラウドブロックアセンブリ
42 半径方向外側先端部分
44 前縁
46 後縁
48 半径方向内側根元部分
50 翼形部正圧側/プラットフォーム
50a 正圧側線形部分
52 翼形部負圧側
52a 負圧側線形部分
54 周囲半径方向冷却通路/内部翼形部通路
56 周囲半径方向冷却通路/内部翼形部通路
58 長軸
60 短軸
62 前縁供給空洞/内部翼形部通路
64 中央空洞/内部翼形部通路
66 交差孔/内部翼形部通路
68 前縁シャワーヘッド/内部翼形部通路
70 後縁供給空洞/内部翼形部通路
72 楕円
74 円直径
76 半円直径
78 翼形部後縁先端
80 公称半円
82 円
84 第1の遷移点
86 第2の遷移点
88 第1の公称遷移
90 円周方向
92 軸方向
94 半径方向
96 第2の公称遷移
98 第1の楕円部分
100 第2の楕円部分
102 第1の楕円曲率
102a 第1の楕円曲率
102b 第1の楕円曲率
104 第2の楕円曲率
104a 第2の楕円曲率
104b 第2の楕円曲率
106 第3の楕円曲率
106a 第3の楕円曲率
106b 第3の楕円曲率
108 ベースライン円形曲率
110 第3の遷移点
112 第4の遷移点
114 第5の遷移点
116 第6の遷移点
118 第1の楕円輪郭
120 第2の楕円輪郭
122 第3の楕円輪郭
124 キャンバ線
126 スキュー角
128 第1の先端円
130 第2の先端円
132 楕円先端部分
134 第2の先端遷移点
136 第1の先端遷移点
138 コーティング
1000 方法
1002 ステップ
1004 ステップ
1006 ステップ
1008 ステップ
1010 ステップ
1012 ステップ
1014 ステップ
1016 ステップ
Claims (10)
- 翼形部であって、当該翼形部が、
半径方向内側根元部分(48)から半径方向外側先端部分(42)まで延在する翼形部本体(36)であって、正圧側(50)から負圧側(52)まで延在し、前縁(44)から後縁部分(46)まで延在する翼形部本体(36)
を含んでおり、前記後縁部分(46)が、
線形正圧側部分(50a)、
線形負圧側部分(52a)、
後縁先端部分、
前記後縁先端部分と前記線形正圧側部分(50a)との間の前記正圧側(50)に配置された第1の楕円部分(98)、及び
前記後縁先端部分と前記線形負圧側部分(52a)との間の前記負圧側(52)に配置された第2の楕円部分(100)
を含んでおり、当該翼形部が、
前記正圧側(50)に配置された第1の遷移点(84)であって、前記線形正圧側部分(50a)と第1の楕円部分(98)との間の第1の遷移を規定する第1の遷移点(84)と、
前記負圧側(52)に配置された第2の遷移点(86)であって、前記線形負圧側部分(52a)と第2の楕円部分(100)との間の第2の遷移を規定する第2の遷移点(86)と、
前記後縁先端部分の下流部分に配置された後縁先端(78)と
をさらに含んでおり、当該翼形部のキャンバ線(124)の方向における前記後縁先端(78)と第1の遷移点(84)との間の第1の距離が、当該翼形部のキャンバ線(124)の方向における前記後縁先端(78)と第2の遷移点(86)との間の第2の距離の半分未満であり、前記後縁先端部分が円形後縁先端部分(128)をさらに含む、翼形部。 - 第1及び第2の楕円部分(98,100)が、-10度~10度の間のスキュー角(126)を有する楕円(72)によって規定され、前記スキュー角(126)が、前記楕円(72)の長軸(58)と当該翼形部のキャンバ線(124)との間の角度として定義される、請求項1に記載の翼形部。
- 前記スキュー角(126)が3~6度の間である、請求項2に記載の翼形部。
- 前記楕円(72)が、1.1~5.0の間のa/b比を有し、「a」は前記楕円(72)の長軸(58)の長さを表し、「b」は前記楕円(72)の短軸(60)の長さを表す、請求項2又は請求項3に記載の翼形部。
- 前記円形後縁先端部分(128)の直径(74)が、前記線形正圧側部分(50a)の延長線と、前記線形負圧側部分(52a)と、前記後縁先端(78)とによって規定される公称半円(80)の直径(76)の10%~90%の間である、請求項1乃至請求項4のいずれか1項に記載の翼形部。
- 前記円形後縁先端部分(128)の直径(74)が、前記公称半円(80)の直径(76)の55%~85%の間である、請求項5に記載の翼形部。
- 当該翼形部が、
前記正圧側(50)に沿って配置された第1の先端遷移点(136)であって、前記第1の楕円部分(98)と前記円形後縁先端部分(128)との間の遷移を規定する第1の先端遷移点(136)と、
前記負圧側(52)に沿って配置された第2の先端遷移点(134)であって、前記第2の楕円部分(100)と前記円形後縁先端部分(128)との間の遷移を規定する第2の先端遷移点(134)と
をさらに含む、請求項1乃至請求項4のいずれか1項に記載の翼形部。 - 前記翼形部本体(36)が、少なくとも1つのコーティング(138)をさらに含み、前記少なくとも1つのコーティング(138)が、熱バリアコーティング、環境バリアコーティング、及びボンドコートのうちの少なくとも1つを含み、
前記少なくとも1つのコーティング(138)の厚さが、前記少なくとも1つの楕円部分(98,100)を形成するように変化する、請求項1乃至請求項7のいずれか1項に記載の翼形部。 - 少なくとも1つの冷却孔をさらに含み、前記少なくとも1つの冷却孔が前記後縁部分(46)内に配置されている、請求項1乃至請求項8のいずれか1項に記載の翼形部。
- 圧縮機セクション(12)と、
燃焼器セクション(18)と、
タービンセクション(22)であって、請求項1乃至請求項9のいずれか1項に記載の少なくとも1つの翼形部(36)を含むタービンセクション(22)と
を備えるガスタービンエンジン(10)。
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PCT/US2018/050537 WO2020055387A1 (en) | 2018-09-12 | 2018-09-12 | Hybrid elliptical-circular trailing edge for a turbine airfoil |
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JPWO2020055387A5 JPWO2020055387A5 (ja) | 2022-02-08 |
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US (1) | US20210215050A1 (ja) |
EP (1) | EP3850192B1 (ja) |
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US11078799B2 (en) * | 2019-11-26 | 2021-08-03 | General Electric Company | Turbomachine rotor blade with an airfoil having a variable elliptical trailing edge |
US11814965B2 (en) * | 2021-11-10 | 2023-11-14 | General Electric Company | Turbomachine blade trailing edge cooling circuit with turn passage having set of obstructions |
US11840939B1 (en) | 2022-06-08 | 2023-12-12 | General Electric Company | Gas turbine engine with an airfoil |
US11952912B2 (en) | 2022-08-24 | 2024-04-09 | General Electric Company | Turbine engine airfoil |
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JP2011017290A (ja) | 2009-07-09 | 2011-01-27 | Mitsubishi Heavy Ind Ltd | 翼体および回転機械 |
JP2014088858A (ja) | 2012-10-31 | 2014-05-15 | Ihi Corp | タービン翼 |
WO2015191041A1 (en) | 2014-06-10 | 2015-12-17 | Siemens Energy, Inc. | Trailing edge insert for an airfoil within a gas turbine engine |
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- 2018-09-12 WO PCT/US2018/050537 patent/WO2020055387A1/en unknown
- 2018-09-12 JP JP2021509171A patent/JP7467416B2/ja active Active
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Also Published As
Publication number | Publication date |
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EP3850192A1 (en) | 2021-07-21 |
WO2020055387A1 (en) | 2020-03-19 |
EP3850192B1 (en) | 2023-12-27 |
JP2022510749A (ja) | 2022-01-28 |
EP3850192A4 (en) | 2022-06-01 |
US20210215050A1 (en) | 2021-07-15 |
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