JP6423084B2 - ガスタービンエンジン用の制御された収束圧縮機流路 - Google Patents
ガスタービンエンジン用の制御された収束圧縮機流路 Download PDFInfo
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- JP6423084B2 JP6423084B2 JP2017511903A JP2017511903A JP6423084B2 JP 6423084 B2 JP6423084 B2 JP 6423084B2 JP 2017511903 A JP2017511903 A JP 2017511903A JP 2017511903 A JP2017511903 A JP 2017511903A JP 6423084 B2 JP6423084 B2 JP 6423084B2
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- Prior art keywords
- compressor
- convergence
- blade
- flow path
- trailing edge
- 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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- 230000007423 decrease Effects 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
- F04D29/545—Ducts
- F04D29/547—Ducts having a special shape in order to influence fluid flow
-
- 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
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
-
- 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
- F01D5/142—Shape, i.e. outer, aerodynamic form of the blades of successive rotor or stator blade-rows
- F01D5/143—Contour of the outer or inner working fluid flow path wall, i.e. shroud or hub contour
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/02—Multi-stage pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/02—Multi-stage pumps
- F04D19/028—Layout of fluid flow through the stages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
- F04D29/324—Blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
- F04D29/542—Bladed diffusers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
Claims (10)
- ガスタービンエンジン(14)であって、
ロータアッセンブリ(48)とステータアッセンブリ(50)とから成る圧縮機(12)を備え、
前記ロータアッセンブリ(48)は、半径方向外側に向かって延在する複数の圧縮機ブレード(42)から成り、該圧縮機ブレード(42)は、周方向に延在する複数の列(30)を成すように整列しており、前記ロータアッセンブリ(48)は回転可能であり、
前記ステータアッセンブリ(50)は、半径方向内側に向かって延在する複数の圧縮機ベーン(36)から成り、該圧縮機ベーン(36)は、周方向に延在する複数の列(30)を成すように整列しており、前記ステータアッセンブリ(50)は、回転可能な前記ロータアッセンブリ(48)に対して固定されており、前記圧縮機ベーン(36)の前記列(30)は前記圧縮機ブレード(42)の前記列(30)と、下流方向に向かって交互に配置されており、
前記圧縮機(12)の周方向の内側境界面(16)は、内側の圧縮機面(22)によって画定されていて、前記圧縮機(12)の周方向の外側境界面(18)は、外側の圧縮機面(20)によって画定されており、前記内側及び外側の圧縮機面(20,22)は圧縮機流路(10)を形成しており、
前記圧縮機流路(10)は下流に向かって継続的に収束しており、
第1圧縮機ブレード(42)の前縁(44)と後縁(46)との間の前記圧縮機流路(10)は、前記第1圧縮機ブレード(42)の根元部(24)の近位で前記内側の圧縮機面(22)の収束が増大することにより、前記第1圧縮機ブレード(42)の前記後縁(46)に向かって下流へと収束を増大させており、
前記第1圧縮機ブレード(42)の前記後縁(46)と前記第1圧縮機ブレード(42)のすぐ下流の第1圧縮機ベーン(36)の前縁(32)との間の前記圧縮機流路(10)は、前記第1圧縮機ブレード(42)の前記前縁(44)と前記後縁(46)との間の収束率よりも収束を減少させており、
前記圧縮機流路(10)は、前記第1圧縮機ブレード(42)の翼先端近傍において、前記第1圧縮機ブレード(42)の前記前縁(44)と前記後縁(46)との間の収束率よりも収束が減少しており、
前記収束の部分的な増大および部分的な減少が互いに相殺することにより、前記圧縮機流路(10)全体にわたって、収束は一定に保たれている、
ガスタービンエンジン(14)。 - 前記第1圧縮機ブレード(42)の前記前縁(44)と前記後縁(46)との間の前記圧縮機流路(10)は、前記第1圧縮機ブレード(42)の前記根元部(24)の最大厚さ点(60)の後方で収束を増大させている、請求項1記載のガスタービンエンジン(14)。
- 前記第1圧縮機ブレード(42)の前記前縁(44)と前記後縁(46)との間の、前記前縁(44)と前記後縁(46)とに半径方向で整列する前記内側の圧縮機面(22)は、非直線状である、請求項1記載のガスタービンエンジン(14)。
- 前記第1圧縮機ブレード(42)の前記前縁(44)と前記後縁(46)との間の、前記前縁(44)と前記後縁(46)とに半径方向で整列する前記内側の圧縮機面(22)は、下流に向かって半径方向内側に湾曲している、請求項1記載のガスタービンエンジン(14)。
- 前記第1圧縮機ブレード(42)の前記後縁(46)と前記第1圧縮機ブレード(42)のすぐ下流の第1圧縮機ベーン(36)の前記前縁(32)との間の前記内側の圧縮機面(22)は、直線状である、請求項1記載のガスタービンエンジン(14)。
- 前記第1圧縮機ブレード(42)の前記後縁(46)と前記第1圧縮機ブレード(42)のすぐ下流の第1圧縮機ベーン(36)の前記前縁(32)との間の前記外側の圧縮機面は、直線状である、請求項1記載のガスタービンエンジン(14)。
- 前記第1圧縮機ブレード(42)のすぐ下流の前記第1圧縮機ベーン(36)の前記前縁(32)と前記後縁(34)との間の前記圧縮機流路(10)は、下流に向かって収束を増大させている、請求項1記載のガスタービンエンジン(14)。
- 前記第1圧縮機ベーン(36)の前記前縁(32)と前記後縁(34)との間の前記圧縮機流路(10)は、前記外側の圧縮機面(20)の収束が増大することにより、下流に向かって収束を増大させている、請求項7記載のガスタービンエンジン(14)。
- 前記第1圧縮機ベーン(36)の前記前縁(32)と前記後縁(34)との間の前記圧縮機流路(10)は、前記第1圧縮機ベーン(36)の前記根元部(24)の最大厚さ点(62)の後方で収束を増大させている、請求項8記載のガスタービンエンジン(14)。
- 前記内側の圧縮機面(22)は、前記第1圧縮機ベーン(36)の前記前縁(32)と前記後縁(34)との間で半径方向内側に収束を減少させている、請求項8記載のガスタービンエンジン(14)。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2014/053345 WO2016032506A1 (en) | 2014-08-29 | 2014-08-29 | Controlled convergence compressor flowpath for a gas turbine engine |
Publications (2)
Publication Number | Publication Date |
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JP2017531122A JP2017531122A (ja) | 2017-10-19 |
JP6423084B2 true JP6423084B2 (ja) | 2018-11-14 |
Family
ID=52633575
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2017511903A Active JP6423084B2 (ja) | 2014-08-29 | 2014-08-29 | ガスタービンエンジン用の制御された収束圧縮機流路 |
Country Status (7)
Country | Link |
---|---|
US (1) | US10473118B2 (ja) |
EP (1) | EP3186484B1 (ja) |
JP (1) | JP6423084B2 (ja) |
CN (1) | CN106574505B (ja) |
RU (1) | RU2673977C2 (ja) |
SA (1) | SA517380958B1 (ja) |
WO (1) | WO2016032506A1 (ja) |
Families Citing this family (3)
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US10822973B2 (en) * | 2017-11-28 | 2020-11-03 | General Electric Company | Shroud for a gas turbine engine |
US10920599B2 (en) | 2019-01-31 | 2021-02-16 | Raytheon Technologies Corporation | Contoured endwall for a gas turbine engine |
JP7273363B2 (ja) * | 2019-04-22 | 2023-05-15 | 株式会社Ihi | 軸流圧縮機 |
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- 2014-08-29 CN CN201480081587.1A patent/CN106574505B/zh active Active
- 2014-08-29 JP JP2017511903A patent/JP6423084B2/ja active Active
- 2014-08-29 WO PCT/US2014/053345 patent/WO2016032506A1/en active Application Filing
- 2014-08-29 EP EP14843216.4A patent/EP3186484B1/en active Active
-
2017
- 2017-02-23 SA SA517380958A patent/SA517380958B1/ar unknown
Also Published As
Publication number | Publication date |
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RU2017110166A3 (ja) | 2018-10-01 |
JP2017531122A (ja) | 2017-10-19 |
EP3186484B1 (en) | 2019-06-05 |
SA517380958B1 (ar) | 2020-11-26 |
RU2017110166A (ru) | 2018-10-01 |
RU2673977C2 (ru) | 2018-12-03 |
EP3186484A1 (en) | 2017-07-05 |
US20170204878A1 (en) | 2017-07-20 |
CN106574505A (zh) | 2017-04-19 |
CN106574505B (zh) | 2018-06-19 |
US10473118B2 (en) | 2019-11-12 |
WO2016032506A1 (en) | 2016-03-03 |
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