JP2017531122A - 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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- JP2017531122A JP2017531122A JP2017511903A JP2017511903A JP2017531122A JP 2017531122 A JP2017531122 A JP 2017531122A JP 2017511903 A JP2017511903 A JP 2017511903A JP 2017511903 A JP2017511903 A JP 2017511903A JP 2017531122 A JP2017531122 A JP 2017531122A
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- Prior art keywords
- compressor
- convergence
- trailing edge
- blade
- flow path
- 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
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- 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
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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
- 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)
Abstract
Description
Claims (13)
- 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いる、
ガスタービンエンジン(14)。 - 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)。
- 第1圧縮機ベーン(36)の前縁(32)と後縁(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)。
- 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、前記前縁(32)と前記後縁(34)とに半径方向で整列する前記外側の圧縮機面(20)は、非直線状である、請求項8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、前記前縁(32)と前記後縁(34)とに半径方向で整列する前記外側の圧縮機面(20)は、下流に向かって半径方向内側に湾曲している、請求項8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)の前記後縁(34)と前記第1圧縮機ベーン(36)のすぐ下流の圧縮機ブレードの前縁との間の前記圧縮機流路(10)は、前記第1圧縮機ベーン(36)の前記前縁(32)と前記後縁(34)との間の収束率より収束を減少させている、請求項7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 |
|---|---|
| JP2017531122A true JP2017531122A (ja) | 2017-10-19 |
| JP6423084B2 JP6423084B2 (ja) | 2018-11-14 |
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ID=52633575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020176598A (ja) * | 2019-04-22 | 2020-10-29 | 株式会社Ihi | 軸流圧縮機 |
Families Citing this family (4)
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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 |
| US12066027B2 (en) | 2022-08-11 | 2024-08-20 | Next Gen Compression Llc | Variable geometry supersonic compressor |
| US12460651B2 (en) | 2022-08-11 | 2025-11-04 | Next Gen Compression Llc | Method for efficient part load compressor operation |
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- 2014-08-29 CN CN201480081587.1A patent/CN106574505B/zh active Active
- 2014-08-29 RU RU2017110166A patent/RU2673977C2/ru active
- 2014-08-29 JP JP2017511903A patent/JP6423084B2/ja active Active
- 2014-08-29 US US15/329,264 patent/US10473118B2/en active Active
- 2014-08-29 WO PCT/US2014/053345 patent/WO2016032506A1/en not_active Ceased
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2017
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| US2991929A (en) * | 1955-05-12 | 1961-07-11 | Stalker Corp | Supersonic compressors |
| JPS56167899A (en) * | 1980-04-28 | 1981-12-23 | United Technologies Corp | Compressing section of axial flow rotary machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2020176598A (ja) * | 2019-04-22 | 2020-10-29 | 株式会社Ihi | 軸流圧縮機 |
| JP7273363B2 (ja) | 2019-04-22 | 2023-05-15 | 株式会社Ihi | 軸流圧縮機 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106574505A (zh) | 2017-04-19 |
| EP3186484A1 (en) | 2017-07-05 |
| RU2673977C2 (ru) | 2018-12-03 |
| RU2017110166A3 (ja) | 2018-10-01 |
| CN106574505B (zh) | 2018-06-19 |
| US10473118B2 (en) | 2019-11-12 |
| EP3186484B1 (en) | 2019-06-05 |
| SA517380958B1 (ar) | 2020-11-26 |
| JP6423084B2 (ja) | 2018-11-14 |
| US20170204878A1 (en) | 2017-07-20 |
| WO2016032506A1 (en) | 2016-03-03 |
| RU2017110166A (ru) | 2018-10-01 |
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