JP7130753B2 - ガスタービン翼及びその製造方法 - Google Patents
ガスタービン翼及びその製造方法 Download PDFInfo
- Publication number
- JP7130753B2 JP7130753B2 JP2020538126A JP2020538126A JP7130753B2 JP 7130753 B2 JP7130753 B2 JP 7130753B2 JP 2020538126 A JP2020538126 A JP 2020538126A JP 2020538126 A JP2020538126 A JP 2020538126A JP 7130753 B2 JP7130753 B2 JP 7130753B2
- Authority
- JP
- Japan
- Prior art keywords
- gas turbine
- blade
- length
- turbine blade
- airfoil
- 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.)
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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
-
- 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
- F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow 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
- 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
-
- 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
- F05D2240/301—Cross-sectional characteristics
-
- 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
- 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
- F05D2260/94—Functionality given by mechanical stress related aspects such as low cycle fatigue [LCF] of high cycle fatigue [HCF]
- F05D2260/941—Functionality given by mechanical stress related aspects such as low cycle fatigue [LCF] of high cycle fatigue [HCF] particularly aimed at mechanical or thermal stress reduction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
2π[(rt 2+rh 2)/2]0.5/c
ここで、rtはエンジン中心線から翼端までの外半径であり、rhはエンジン中心線から翼根までの内半径であり、cは翼弦長である。
Claims (13)
- 鋳造された金属翼型部(2)を有し、前記金属翼型部(2)は、少なくとも1つの内部空洞部(9)を規定し、前縁(5)及び後縁(6)で互いに結合され、翼根部(7)から翼端部(8)まで径方向に延び、前記翼根部(7)の0%から前記翼端部(8)の100%までの径方向翼長を規定する第1の側壁(3)及び第2の側壁(4)を有する主壁であるガスタービン翼であって、前記金属翼型部(2)は、前記前縁部(5)及び前記後縁部(6)を結ぶ直線によって規定される径方向翼長依存翼弦長並びに全断面積領域に対する金属領域の径方向翼長依存剛率比を有し、翼長の80%~85%の前記金属翼型部(2)の機械加工領域の径方向翼長依存剛率比が、35%未満であり、かつ、前記翼長の90%~100%における径方向翼長依存剛率比よりも低いことを特徴とする、ガスタービン翼(1)。
- 前記翼長の75%~90%における径方向翼長依存剛率比が、35%未満であることを特徴とする、請求項1に記載のガスタービン翼(1)。
- 前記主壁の外面から前記内部空洞(9)に延びる前記主壁の壁厚は、前記翼長の85%~100%の領域で一定であることを特徴とする、請求項1又は2に記載にガスタービン翼(1)。
- 前記主壁の外面から前記内部空洞(9)に延びる前記主壁の壁厚は、前記翼長の60%~0%までの翼長に対して1%以上の割合で増加することを特徴とする、請求項1~3のいずれか1項に記載のガスタービン翼(1)。
- 前記主壁の外面から前記内部空洞(9)に延びる前記翼端部における前記主壁の壁厚が1~2mmの範囲内にあることを特徴とする、請求項1~4のいずれか1項に記載のガスタービン翼(1)。
- 前記翼長の50%~70%までの領域における翼弦長は、前記翼長の100%における前記翼弦長の長さよりも短いことを特徴とする、請求項1~5のいずれか1項に記載のガスタービン翼(1)。
- 前記後縁の厚さは、前記翼長の60%~80%までの領域において最も薄いことを特徴とする、請求項1~6のいずれか1項に記載のガスタービン翼(1)。
- 前記翼長の100%における前記後縁厚さが2.5~4.0mmの範囲内にあることを特徴とする、請求項1~7のいずれか1項に記載のガスタービン翼(1)。
- 前記機械加工領域は、所定の径方向高さで前記翼型部の全周に沿って延びていることを特徴とする、請求項1~8のいずれか1項に記載のガスタービン翼(1)。
- 前記翼型部の外面は、前記翼根部から始まる部分的な翼長にわたって鋳放し状態にあることを特徴とする、請求項1~9のいずれか1項に記載のガスタービン翼(1)。
- 前記請求項1~10のいずれか1項に記載のガスタービン翼の製造方法であって、
中空の翼型部(2)を鋳造する工程と、
前記鋳造された翼型部(2)の外面を機械加工して、前記領域内の主壁及び/又は後縁厚さの壁厚を減少させる工程と、
を含むことを特徴とするガスタービン翼の製造方法。 - 前記機械加工は、フライス加工、研削加工、放電加工(EDM)又は電解加工(ECM)によって行うことを特徴とする、請求項11に記載のガスタービン翼の製造方法。
- ガスタービンの最終タービン段における請求項1~10のいずれか1項に記載のガスタービン翼の使用方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP18151215.3 | 2018-01-11 | ||
EP18151215.3A EP3511522A1 (en) | 2018-01-11 | 2018-01-11 | Gas turbine blade and method for producing such blade |
PCT/US2019/012672 WO2019194878A2 (en) | 2018-01-11 | 2019-01-08 | Gas turbine blade and method for producing such blade |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021532297A JP2021532297A (ja) | 2021-11-25 |
JP7130753B2 true JP7130753B2 (ja) | 2022-09-05 |
Family
ID=60957165
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020538126A Active JP7130753B2 (ja) | 2018-01-11 | 2019-01-08 | ガスタービン翼及びその製造方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US11396817B2 (ja) |
EP (2) | EP3511522A1 (ja) |
JP (1) | JP7130753B2 (ja) |
KR (1) | KR102454800B1 (ja) |
CN (1) | CN111566317B (ja) |
WO (1) | WO2019194878A2 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019202388A1 (de) * | 2019-02-21 | 2020-08-27 | MTU Aero Engines AG | Deckbandlose Schaufel für eine schnelllaufende Turbinenstufe |
US11629601B2 (en) * | 2020-03-31 | 2023-04-18 | General Electric Company | Turbomachine rotor blade with a cooling circuit having an offset rib |
KR20220064706A (ko) | 2020-11-12 | 2022-05-19 | 한국전력공사 | 가스 터빈용 로터 및 가스 터빈용 로터의 표면 가공위치 선정 방법 |
US11905849B2 (en) * | 2021-10-21 | 2024-02-20 | Rtx Corporation | Cooling schemes for airfoils for gas turbine engines |
FR3143685A1 (fr) * | 2022-12-16 | 2024-06-21 | Safran Aircraft Engines | Systeme propulsif aeronautique |
FR3143672A1 (fr) * | 2022-12-16 | 2024-06-21 | Safran Aircraft Engines | Systeme propulsif aeronautique |
FR3143674A1 (fr) * | 2022-12-16 | 2024-06-21 | Safran Aircraft Engines | Systeme propulsif aeronautique |
FR3143683A1 (fr) * | 2022-12-16 | 2024-06-21 | Safran Aircraft Engines | Systeme propulsif aeronautique |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003520313A (ja) | 1997-07-29 | 2003-07-02 | シーメンス アクチエンゲゼルシヤフト | タービン翼ならびにタービン翼の製造方法 |
US8506256B1 (en) | 2007-01-19 | 2013-08-13 | Florida Turbine Technologies, Inc. | Thin walled turbine blade and process for making the blade |
US8720526B1 (en) | 2012-11-13 | 2014-05-13 | Siemens Energy, Inc. | Process for forming a long gas turbine engine blade having a main wall with a thin portion near a tip |
Family Cites Families (16)
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DE1007565B (de) * | 1956-05-03 | 1957-05-02 | Holzwarth Gasturbinen G M B H | Hohle Turbinenschaufel fuer in Axialrichtung von gasfoermigen Treibmitteln beaufschlagte Turbinen |
US3908733A (en) | 1973-10-26 | 1975-09-30 | United Technologies Corp | Method and apparatus for control of alloy in columnar grain castings |
JPH10212903A (ja) * | 1997-01-28 | 1998-08-11 | Mitsubishi Heavy Ind Ltd | ガスタービン翼 |
US6709239B2 (en) * | 2001-06-27 | 2004-03-23 | Bharat Heavy Electricals Ltd. | Three dimensional blade |
US7762774B2 (en) | 2006-12-15 | 2010-07-27 | Siemens Energy, Inc. | Cooling arrangement for a tapered turbine blade |
US8277193B1 (en) | 2007-01-19 | 2012-10-02 | Florida Turbine Technologies, Inc. | Thin walled turbine blade and process for making the blade |
US8075259B2 (en) * | 2009-02-13 | 2011-12-13 | United Technologies Corporation | Turbine vane airfoil with turning flow and axial/circumferential trailing edge configuration |
CN101749052B (zh) | 2009-12-28 | 2012-10-10 | 东方电气集团东方汽轮机有限公司 | 空冷给水泵汽轮机的末级动叶片 |
US8500411B2 (en) * | 2010-06-07 | 2013-08-06 | Siemens Energy, Inc. | Turbine airfoil with outer wall thickness indicators |
US20120269649A1 (en) | 2011-04-22 | 2012-10-25 | Christopher Rawlings | Turbine blade with improved trailing edge cooling |
US9249666B2 (en) * | 2011-12-22 | 2016-02-02 | General Electric Company | Airfoils for wake desensitization and method for fabricating same |
US9506347B2 (en) | 2012-12-19 | 2016-11-29 | Solar Turbines Incorporated | Compressor blade for gas turbine engine |
US9567859B2 (en) | 2013-03-14 | 2017-02-14 | General Electric Company | Cooling passages for turbine buckets of a gas turbine engine |
US10260352B2 (en) * | 2013-08-01 | 2019-04-16 | Siemens Energy, Inc. | Gas turbine blade with corrugated tip wall |
US9650914B2 (en) * | 2014-02-28 | 2017-05-16 | Pratt & Whitney Canada Corp. | Turbine blade for a gas turbine engine |
EP2921647A1 (en) | 2014-03-20 | 2015-09-23 | Alstom Technology Ltd | Gas turbine blade comprising bended leading and trailing edges |
-
2018
- 2018-01-11 EP EP18151215.3A patent/EP3511522A1/en not_active Withdrawn
-
2019
- 2019-01-08 JP JP2020538126A patent/JP7130753B2/ja active Active
- 2019-01-08 US US16/957,244 patent/US11396817B2/en active Active
- 2019-01-08 EP EP19742497.1A patent/EP3710680B1/en active Active
- 2019-01-08 KR KR1020207022777A patent/KR102454800B1/ko active IP Right Grant
- 2019-01-08 WO PCT/US2019/012672 patent/WO2019194878A2/en unknown
- 2019-01-08 CN CN201980007979.6A patent/CN111566317B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003520313A (ja) | 1997-07-29 | 2003-07-02 | シーメンス アクチエンゲゼルシヤフト | タービン翼ならびにタービン翼の製造方法 |
US8506256B1 (en) | 2007-01-19 | 2013-08-13 | Florida Turbine Technologies, Inc. | Thin walled turbine blade and process for making the blade |
US8720526B1 (en) | 2012-11-13 | 2014-05-13 | Siemens Energy, Inc. | Process for forming a long gas turbine engine blade having a main wall with a thin portion near a tip |
JP2015536404A (ja) | 2012-11-13 | 2015-12-21 | シーメンス エナジー インコーポレイテッド | 先端部の近傍に薄肉部分を有する主壁を備えたガスタービンエンジンの長尺ブレードを形成するための方法 |
Also Published As
Publication number | Publication date |
---|---|
EP3710680B1 (en) | 2023-08-09 |
CN111566317A (zh) | 2020-08-21 |
JP2021532297A (ja) | 2021-11-25 |
US11396817B2 (en) | 2022-07-26 |
KR20200100846A (ko) | 2020-08-26 |
WO2019194878A3 (en) | 2019-11-21 |
KR102454800B1 (ko) | 2022-10-17 |
EP3710680A2 (en) | 2020-09-23 |
US20200392852A1 (en) | 2020-12-17 |
WO2019194878A2 (en) | 2019-10-10 |
EP3511522A1 (en) | 2019-07-17 |
CN111566317B (zh) | 2023-03-03 |
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