JP2020518764A - ガスタービン用ブレード付きのダクト型ノズル - Google Patents
ガスタービン用ブレード付きのダクト型ノズル Download PDFInfo
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- JP2020518764A JP2020518764A JP2020509137A JP2020509137A JP2020518764A JP 2020518764 A JP2020518764 A JP 2020518764A JP 2020509137 A JP2020509137 A JP 2020509137A JP 2020509137 A JP2020509137 A JP 2020509137A JP 2020518764 A JP2020518764 A JP 2020518764A
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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
- 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
- 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
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/08—Heating, heat-insulating or cooling means
- F01D5/081—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades
- F01D5/082—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades on the side of the rotor disc
-
- 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
- F01D9/023—Transition ducts between combustor cans and first stage of the turbine in gas-turbine engines; their cooling or sealings
-
- 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
-
- 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
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/12—Cooling of plants
-
- 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
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/12—Cooling of plants
- F02C7/16—Cooling of plants characterised by cooling medium
- F02C7/18—Cooling of plants characterised by cooling medium the medium being gaseous, e.g. air
-
- 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
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/32—Application in turbines in gas turbines
- F05D2220/323—Application in turbines in gas turbines for aircraft propulsion, e.g. jet engines
-
- 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
- F05D2240/10—Stators
- F05D2240/12—Fluid guiding means, e.g. vanes
- F05D2240/128—Nozzles
-
- 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
-
- 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
- F05D2250/141—Two-dimensional elliptical circular
-
- 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
- F05D2260/14—Preswirling
-
- 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
Abstract
Description
[1] A CFD ANALYSIS TOWARDS FLOW CHARACTERISTICS OF THREE PRE−SWIRL DESIGNS Adrien Dulac Master of Science Thesis Royal Institute of Technology,Sweden
[2] フレアホール型予旋回ノズル流動および冷却特性、劉高文ら、推進技術2013.4 34巻第3期
[3] ブレード付きのホール型予旋回ノズル流動ブレード型の数値研究、劉育心ら、推進技術2016.2 37巻第2期
[4] アスペクト比による予旋回ホール流動特性に与える影響の数値研究、劉高文ら、推進技術2013.5 34巻第5期
Claims (7)
- ガスタービン用ブレード付きのダクト型ノズルであって、気流の流動方向に沿って順に隣接する、
環状通路である入口部と、
複数のブレードによって分離される複数の気流の流通路を備える収縮部と、
出口部とを備え、
各前記気流の流通路は、外周壁面と、内周壁面と、2つの隣接するブレードのうちの1つにおける吸引面及び前記2つの隣接するブレードの他方の1つにおける圧力面で囲まれて形成され、前記気流の流通路の入口は扇形の断面を呈し、気流の流動方向に沿って見ると、各前記気流の流通路に対し、前記気流の流通路の入口から出口まで、扇形の断面は徐々に円形の断面へ円滑に遷移し、前記2つの隣接するブレードは、前記ノズルの周方向における気流の転回をガイドするように設置され、前記外周壁面及び前記内周壁面は、前記ノズルの半径方向における気流の転回をガイドするように設置され、
前記出口部は、各前記気流の流通路の出口に対応してそれぞれ接続された、直径が軸線に沿って変化しない円形のダクトを備えることを特徴とするガスタービン用ブレード付きのダクト型ノズル。 - 前記出口部は螺旋線を軸線とした螺旋管であり、前記螺旋線は前記円形の断面の円心を通り、前記螺旋線の前記円形の断面の円心における接線は前記円形の断面の法線ベクトルと平行であることを特徴とする請求項1に記載のブレード付きのダクト型ノズル。
- 前記円形の断面の円心と前記円形のダクトの出口との間の、前記円形のダクトの軸線に沿った軸方向距離は、前記円形のダクトの軸方向の長さであり、前記円形の断面の直径の0.1〜5倍の間にあることを特徴とする請求項1に記載のブレード付きのダクト型ノズル。
- 前記出口部は直線を軸線とした直管であり、前記軸線は前記円形の断面の円心を通り、前記円形の断面の法線ベクトルと平行であることを特徴とする請求項1に記載のブレード付きのダクト型ノズル。
- 前記入口部は環状通路であることを特徴とする請求項1に記載のブレード付きのダクト型ノズル。
- 前記円形のダクトは、一本の直線の投射線を軸線とし、前記投射線は前記直線の前記円形のダクトの開始の円形の断面の円心が位置する回転面への投影であり、前記回転面は、前記開始の円形の断面の円心から前記ブレード付きのダクト型ノズルの軸心までの垂線を直径とし、かつ前記ブレード付きのダクト型ノズルと平行な軸方向に延伸する円柱面であることを特徴とする請求項1に記載のブレード付きのダクト型ノズル。
- 航空用エンジンの高圧タービンにおける予旋回冷却システムに用いられ、冷気を転回させてから高圧タービンのローターブレード根部に送り込むことを特徴とする請求項1に記載のブレード付きのダクト型ノズル。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710281244.5 | 2017-04-26 | ||
CN201710281244.5A CN108798790B (zh) | 2017-04-26 | 2017-04-26 | 用于燃气涡轮的叶型管式喷嘴 |
PCT/CN2017/094921 WO2018196198A1 (zh) | 2017-04-26 | 2017-07-28 | 用于燃气涡轮的叶型管式喷嘴 |
Publications (1)
Publication Number | Publication Date |
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JP2020518764A true JP2020518764A (ja) | 2020-06-25 |
Family
ID=63919415
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2020509137A Pending JP2020518764A (ja) | 2017-04-26 | 2017-07-28 | ガスタービン用ブレード付きのダクト型ノズル |
Country Status (8)
Country | Link |
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US (1) | US11028708B2 (ja) |
EP (1) | EP3617480B1 (ja) |
JP (1) | JP2020518764A (ja) |
KR (1) | KR102364454B1 (ja) |
CN (1) | CN108798790B (ja) |
CA (1) | CA3062856C (ja) |
RU (1) | RU2729589C1 (ja) |
WO (1) | WO2018196198A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110370158B (zh) * | 2019-08-20 | 2020-12-08 | 西北工业大学 | 应用于航空发动机预旋喷嘴内腔表面光整的磨粒流工装 |
CN112412544A (zh) * | 2020-11-23 | 2021-02-26 | 东方电气集团东方汽轮机有限公司 | 一种带进口过渡段的燃机气动孔型预旋喷嘴 |
Citations (3)
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US5245821A (en) * | 1991-10-21 | 1993-09-21 | General Electric Company | Stator to rotor flow inducer |
JP2001059401A (ja) * | 1999-08-23 | 2001-03-06 | Mitsubishi Heavy Ind Ltd | ロータ冷却空気供給装置 |
CN105464724A (zh) * | 2015-12-30 | 2016-04-06 | 中国航空工业集团公司沈阳发动机设计研究所 | 一种用于预旋冷却系统的气动孔型预旋喷嘴 |
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US6234746B1 (en) * | 1999-08-04 | 2001-05-22 | General Electric Co. | Apparatus and methods for cooling rotary components in a turbine |
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GB0818047D0 (en) * | 2008-10-03 | 2008-11-05 | Rolls Royce Plc | Turbine cooling system |
US8584469B2 (en) * | 2010-04-12 | 2013-11-19 | Siemens Energy, Inc. | Cooling fluid pre-swirl assembly for a gas turbine engine |
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RU2484264C2 (ru) | 2011-05-05 | 2013-06-10 | Юрий Игоревич Гладков | Безотрывный переходный канал между турбиной высокого давления и турбиной низкого давления двухконтурного авиационного двигателя |
US9228436B2 (en) | 2012-07-03 | 2016-01-05 | Solar Turbines Incorporated | Preswirler configured for improved sealing |
DE102013011350A1 (de) * | 2013-07-08 | 2015-01-22 | Rolls-Royce Deutschland Ltd & Co Kg | Gasturbine mit Hochdruckturbinenkühlsystem |
US9938841B2 (en) | 2014-09-18 | 2018-04-10 | Solar Turbines Incorporated | Diaphragm assembly with a preswirler |
EP3124743B1 (en) * | 2015-07-28 | 2021-04-28 | Rolls-Royce Deutschland Ltd & Co KG | Nozzle guide vane and method for forming a nozzle guide vane |
CN105114186B (zh) * | 2015-08-04 | 2017-03-29 | 西北工业大学 | 一种用于预旋冷却系统的叶孔式预旋喷嘴 |
CN205669438U (zh) * | 2016-06-12 | 2016-11-02 | 贵州航空发动机研究所 | 一种带整流肋的叶片式预旋喷嘴结构 |
-
2017
- 2017-04-26 CN CN201710281244.5A patent/CN108798790B/zh active Active
- 2017-07-28 CA CA3062856A patent/CA3062856C/en active Active
- 2017-07-28 RU RU2019136870A patent/RU2729589C1/ru active
- 2017-07-28 JP JP2020509137A patent/JP2020518764A/ja active Pending
- 2017-07-28 KR KR1020197033529A patent/KR102364454B1/ko active IP Right Grant
- 2017-07-28 EP EP17907287.1A patent/EP3617480B1/en active Active
- 2017-07-28 US US16/609,044 patent/US11028708B2/en active Active
- 2017-07-28 WO PCT/CN2017/094921 patent/WO2018196198A1/zh unknown
Patent Citations (3)
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US5245821A (en) * | 1991-10-21 | 1993-09-21 | General Electric Company | Stator to rotor flow inducer |
JP2001059401A (ja) * | 1999-08-23 | 2001-03-06 | Mitsubishi Heavy Ind Ltd | ロータ冷却空気供給装置 |
CN105464724A (zh) * | 2015-12-30 | 2016-04-06 | 中国航空工业集团公司沈阳发动机设计研究所 | 一种用于预旋冷却系统的气动孔型预旋喷嘴 |
Also Published As
Publication number | Publication date |
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EP3617480A1 (en) | 2020-03-04 |
KR102364454B1 (ko) | 2022-02-18 |
US20200149424A1 (en) | 2020-05-14 |
CN108798790B (zh) | 2019-09-17 |
CN108798790A (zh) | 2018-11-13 |
EP3617480B1 (en) | 2022-12-14 |
CA3062856A1 (en) | 2019-11-29 |
CA3062856C (en) | 2022-07-19 |
KR20190138854A (ko) | 2019-12-16 |
WO2018196198A1 (zh) | 2018-11-01 |
EP3617480A4 (en) | 2021-01-06 |
RU2729589C1 (ru) | 2020-08-11 |
US11028708B2 (en) | 2021-06-08 |
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